为您找到与高中英语完型填空教学设计相关的共200个结果:
怎样进行英语完形填空的教学,需要老师的精心设计。下面请欣赏读文网小编带来的高中完形填空教学设计的范文。
教学内容分析:
此节课就完形填空这一高考重点题型做出相应的解题技巧的分析,从考试趋向,命题特点、解题思路、解题技巧以及复习策略几方面给学生较为清晰地概括,在第二轮专项复习中给学生针对性的指导,以达到提升解题能力的目的。
学生情况分析:
目前学生处于二轮复习中,已基本掌握高考所需词汇和语法知识,需要进行更加针对性的解题指导和查漏补缺。
3.教学目标分析
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高中英语是高考的重要组成部分,对于高中生的学习,作为一名英语老师应该做出怎样的教学教案呢?下面是有读文网小编为你整理的高中英语教学案例设计篇 ,希望能够帮助到你!
根据单元特点, 我认为Unit5 How do you make banana milk shake?的第一课时,即导入课应一方面让学生掌握知识点,另一方面能真正让学生动手制作shake,培养学生的动手能力,提高学生的学习兴趣。因此,我提前让两个班的每个学生准备自己喜欢的水果,而我自己也准备了榨汁机、酸奶、纸杯、刀等制作shake需要的东西。我想这节课一定会生动、有趣,受学生欢迎。
第一节课在1班上,我满怀信心地走进教室。一开始很顺利,学生很兴奋地看着我制作shake,听着我用英语讲解制作步骤,一杯shake很快制作好了。是该给学生品尝的时候了,然而当学生看了看做好的shake的样子,闻了闻味道,说什么也不肯尝试。上课前一天我亲自在家做了一杯shake,说实话,的确没有“卖样”,而且闻起来味道也不怎么好,但喝起来味道还不错,据说还有美容、保健的功效。然而,不管我怎样劝说,还是没有人愿意尝一口。学生不愿喝,当然就没兴趣用自己带来的新鲜水果来制作shake。可以说,我这堂课的教学失败了,我看着剩下的酸奶,灵机一动我决定把下节课制作水果沙拉提前来上。虽然也达到了一定的教学目标,但因为没有完成自己的教学设计,所以觉得还是有缺憾。说实话,当时我觉得这些学生真不懂配合。
这堂课不成功,本应马上进行总结,加以改正。但在2班紧接着就有第二节课,而且还有老师来听课。于是,我只好硬着头皮走进教室,按照我的计划进行教学。
然而出乎我意料的是,学生能很积极的响应,在我在制作时,很多学生在认真看,我在用英语讲解制作步骤时,很多学生在认真听,还小声地复述,有的还作笔记。当shake做好时,许多学生争先恐后地要求品尝,引得听课的老师也要求品尝一下。在轮到由学生自己边制作shake,边用英语介绍材料以及制作步骤时,很多学生都愿意上来试一试,而且做得也很好。可以说这堂课比较成功。
同样的老师,同样的准备,同样的教学设计,为什么会有不同的教学结果?上完课后,我认真地思考了这个问题。我发现我在备课时忽略了"备人",忽略了不同的班、不同的学生有不同的性格特点。由于我是2班的班主任,因此很了解2班学生的特点:活波、积极、爱尝试,在备课时可能不自觉地以2班作为对象;而对1班的学生了解不多,因此导致了这堂课失败。
根据以上的单元特点, 我认为本单元的第一课时,即导入课应一方面让学生掌握知识点,另一方面能真正让学生动手制作shake,培养学生的动手能力,提高学生的学习兴趣。因此,我提前让两个班的每个学生准备自己喜欢的水果,而我自己也准备了榨汁机、酸奶、纸杯、刀等制作shake需要的东西。我想这节课一定会生动、有趣,受学生欢迎。
第一节课在1班上,我满怀信心地走进教室。一开始很顺利,学生很兴奋地看着我制作shake,听着我用英语讲解制作步骤,一杯shake很快制作好了。是该给学生品尝的时候了,然而当学生看了看做好的shake的样子,闻了闻味道,说什么也不肯尝试。上课前一天我亲自在家做了一杯shake,说实话,的确没有“卖样”,而且闻起来味道也不怎么好,但喝起来味道还不错,据说还有美容、保健的功效。然而,不管我怎样劝说,还是没有人愿意尝一口。学生不愿喝,当然就没兴趣用自己带来的新鲜水果来制作shake。可以说,我这堂课的教学失败了,我看着剩下的酸奶,灵机一动我决定把下节课制作水果沙拉提前来上。虽然也
达到了一定的教学目标,但因为没有完成自己的教学设计,所以觉得还是有缺憾。说实话,当时我觉得这些学生真不懂配合。
这堂课不成功,本应马上进行总结,加以改正。但在2班紧接着就有第二节课,而且还有老师来听课。于是,我只好硬着头皮走进教室,按照我的计划进行教学。
然而出乎我意料的是,学生能很积极的响应,在我在制作时,很多学生在认真看,我在用英语讲解制作步骤时,很多学生在认真听,还小声地复述,有的还作笔记。当shake做好时,许多学生争先恐后地要求品尝,引得听课的老师也要求品尝一下。在轮到由学生自己边制作shake,边用英语介绍材料以及制作步骤时,很多学生都愿意上来试一试,而且做得也很好。可以说这堂课比较成功。
同样的老师,同样的准备,同样的教学设计,为什么会有不同的教学结果?上完课后,我认真地思考了这个问题。我发现我在备课时忽略了"备人",忽略了不同的班、不同的学生有不同的性格特点。由于我是2班的班主任,因此很了解2班学生的特点:活波、积极、爱尝试,在备课时可能不自觉地以2班作为对象;而对1班的学生了解不多,因此导致了这堂课失败。
我还是有点不甘心,于是在总结经验以及在和1班班主任交谈以后,我决定把第一课时未完成的内容补上。第二天上课,我准备了45杯shake(1班学生每人一杯),上课时我让学生闭上眼睛,并放了一段大多数学生喜欢的音乐,趁这个机会把shake放到了他们面前,告诉他们要玩一种猜物游戏(猜猜面前这杯饮料是用什么做的),猜对有奖,但规则是不许看,也不许闻。我数1、2、3,大多数学生按照要求一饮而尽。当然大多数学生都猜不到这种味道还不错的饮料是他们昨天“死也不喝”的shake。有这样的开头这堂课也就变得顺利起来了。
从这样的一堂课,我体会到什么是“因材施教”,“因材施教”的目的和意义。“因材施教”是我国教育思想的精华,所谓“夫子教人,各因其材”,就是指孔子在长期的教学实践中创造的这一重要教学方法和原则。要做到“因材施教”,这就要求全面深入研究学生,了解学生,从学生实际出发进行教学;其次,要面向大多数,教学深度和进度都要使大多数学生经过努力能够接受,同时注意集体教学条件下的个别对待。第三,要采取有力的有针对性的措施,如加速学习(跳级),减速学习(延长学时),组织兴趣小组等,把因材施教落实到每个学生身上,使学生都能从自身实际出发,更好地学习成材。换句话说,因材施教是为每个学生提供符合其身心发展所需的教育,这是一种适应性教育。如果不顾学生个体差异,用一种模式、一种方法使学生被迫地被动地接受教育,实在太不平等。活生生的人的个性之光将暗然失色,源源不绝的人的智慧之泉则面临冰冻甚至枯竭;充满幻想的人的创造灵感会消隐殆尽。这些道理大家都懂,但真正做得好又确实不易。所以,它是一个常讲常新的话题。在今后的教学中,我会更加注意这个问题,并多向有经验的教师请教,使自己在教育、教学中更进一步。
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教师们在践行教学授课前应该准备怎么样的教学设计呢?让我们来看看其他教师们是怎么样的编制的吧!下面是读文网小编整理的高一历史洋务运动教学设计以供大家阅读。
一、导入
让学生回忆“19世纪60年代的清政府面临什样的局面?面对这样的局面,清朝政局出现了怎样的变化?”由此导入新课。
二、洋务派与顽固派
让学生阅读“洋务派与顽固派”一目,回答:面对如何解决内忧外患的问题,清政府内部出现了怎样的变化?各派的代表人物是谁?他们的主张是什么?最高统治者慈禧在这件事上采取了什么样的态度,为什么会采取这种态度?
引导学生分析洋务派和顽固派的主张,讨论他们主张的异同,并根据当时的社会状况比较两者哪一个较进步。并思考为什么会在19世纪60年代兴起洋务运动,即洋务派掀起洋务运动的前提条件。
三、洋务运动的兴起和发展
组织学生分组学习讨论“洋务运动的兴起和发展”一目,制作洋务运动活动一览表和洋务运动分期示意图,并记录学习过程中所遇到的困难。
由学生概括“洋务”和“洋务运动”的概念,教师进行总结。
各组展示本组所做的洋务运动活动一览表和洋务运动分期示意图,集各组所长,总结出最佳的洋务运动活动一览表和洋务运动分期示意图。
各组提出本组的问题,教师根据问题的难易程度,或由学生自己回答,或由教师引导学生分析得出答案,或由教师讲解。
引导学生分析“师夷长技以自强”的含义,强调“长技”主要指西方的先进技术,“自强”体现强兵、创办军事工业。对比“师夷长技以制夷”与“师夷长技以自强”的异同,并分析出现这种不同的原因,使学生进一步认识到,清政府对待列强侵略的态度由坚决抵抗转变为妥协求和,认清清政府逐渐被洋人控制的时代特征。并引导学生思考:为什么洋务派以创办近代军事工业为洋务运动的开始?
出示“江南制造总局”和“开平煤矿”两幅历史照片,让学生分析两张照片中的建筑物外观的特点的不同之处,由此深入分析洋务运动的指导思想在其活动中的体现。简单介绍洋务运动的基础理论-“中体西用”论。
由学生回答:洋务派兴办近代民用工业的根本目的。并向学生介绍,此时李鸿章等人已经认识到:西方列强利用中国廉价的原料生产商品,并以高价出售给中国。因此,洋务派此时兴办近代民用工业也有抵制外国商品倾销的意图。
引导学生分析归纳洋务派创建近代工业过程中取得了哪些成就、遇到哪些困难、存在哪些问题?并使学生认识到,洋务派在兴办近代工业和建立近代海军时,是地方的几名大员干吏各自为政并无领导核心。通过让学生分析兴建近代海军的目的,使学生进一步认识到抵御列强入侵也是洋务派掀起洋务运动的一个重要原因。
四、洋务运动的破产
在分析列强对待洋务运动的态度时,教师要强调列强一方面希望中国创办近代工业,这样有利于其商品在中国的倾销(中国的自给自足自然经济使其商品在最初一段时间很难在中国打开市场),另一方面,他们不希望中国富强,因而,只向中国提供已经落后的技术和淘汰的产品。其他导致洋务运动失败的原因和正确评价洋务运动,学生可以根据对前面两目的分析得出。
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教师们一般都知道教学设计对他们的教学授课的重要性,所以制订一份适合他们的课堂教学的教学设计很有必要!以下是由读文网小编收集整理的三年级数学时分秒教学设计,欢迎阅读!
一、认真思考,仔细填写。
1、我们学过的时间单位有( )、( )、( )。
2、( )表可以记录百米赛跑的时间。
3、08:3526是( )时( )分( )秒。
4、秒针从3走到5经过的时间是( )。
分针从3走到5经过的时间是( )。
时针从3走到5经过的时间是( )。
5、唱一首歌需要的时间一般( )1分钟。(填“多于”或“少于”)
6、上午第一节课从8:05开始,这节课要上40分钟,第一节课在( )下课。
7、一架飞机本应在上午10:15到达,现在要晚点30分,那么飞机会在上午( )到达。
8、秒针走1小格是( )秒,走1大格是( )秒,走1圈是( )秒,也就是( )分。
9、时间换算。
3分=( )秒 2小时=( )分 300秒=( )分 3时10分=( )分 180分=( )时 2分5秒( )秒
10、在( )里填上合适的时间单位。
(1)做数学作业要用30( )。
(2)吃午饭用了15( )。
(3)小明系红领巾大约用了18( )。
(4)一场足球赛用了2( )。
二、判断题。
1、昨天那场大雨可真大,整整下了3秒。()
2、一个人唱一首歌需要4分钟,5个人合唱这首歌需要20分钟。()
3、人的脉膊每秒跳动80下。()
4、我眨一下眼睛大约需要1秒。()
5、分针从上一个数字走到下一个数字,秒针刚好转一圈。()
6、分针从数字1走到数字4,经过了20分钟。()
三、选择题。
1、分针从3走到9,经过了( )。
A.6分 B.30秒 C.30分
2、100米赛跑,小刚用了15秒,小华用了18秒,( )跑得快。
A.小刚 B.小华 C.无法确定谁
3、一场电影大约要播放( )。
A.90秒 B.90分 C.9小时
4、从5:25起,再过( )分钟是6:10。
A.25 B.35 C.45
5、分针走5小格,秒针走了 ( )。
A.5圈 B.50圈 C.5小格
四、比较题。(填“﹥”“﹤”或“=”)
150秒()2分 6时()600分 60分()1时 12秒()12分 36分()2时 1分20秒()80秒
五、解决问题。
1、一列高速列车上午7:05从杭州出发,7:59到达上海。这列高速列车行驶了多长时间?
2、取信时间(上午)
第一次7:40 第二次9:40 第三次11:40
第二次取信到第三次取信间隔多长时间?
3、小宇在外面玩球可以玩多长时间?
小宇:妈妈,我去玩一会儿球。
妈妈:好啊!注意安全,8:00回来吃早餐。
4、某地周末下午的停电通知。
停电通知
云盘小区 9:05—9:40
山水小区 9:15—9:55
(1)哪个小区的停电时间长?
(2)亮亮9:30回家,发现家里停电。他在家等了25分钟才恢复供电。你知道他住在哪个小区吗?为什么?
5、李丽的爸爸要从北京到青岛出差,买好了上午8:50的火车票。爸爸从家里到火车站要15分钟,在火车站排队上车要20分钟,爸爸最晚什么时候要从家里出发?
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教学设计是教师们在课堂教学的重要辅助,对此,你有什么样的制定方法呢?下面是读文网小编整理的三年级数学分米的认识教学设计以供大家阅读。
认识分米一课重点是使同学认识长度单位分米,初步建立1分米的表象,并能知道1分米和厘米和米之间的换算和计算,并根据物体的长度选择合适的长度单位。
本节课我主要通过丰富的活动进行教学。首先让学生比一比一分米的长度、说一说那些物体大约一分米,再数一数一米里面有10个1分米得出结论1米=10分米。量一量桌子的长、宽、高、感受厘米和分米的关系和生活中分米的运用。画一画1分米等多种活动让孩子在操作中学习体会和运用,真正建立分米的表象。
在本节课的练习题中大部分同学也能正确利用分米的知识解决一些问题,但仍有一小局部同学不会灵活运用,还有个别同学不认真审题。如黄瓜长2( ),孩子却不假思索地填上了“厘米”。看来还要让孩子加强练习和体会。
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教学设计是教师们进行课堂教学的重要辅助。你准备好了吗?下面是读文网小编整理的三年级数学《吨的认识》教学设计以供大家阅读。
“吨的认识”是三年级数学上册的教学内容,教学的对象是第一学段的三年级学生,他们的思维正处于具体形象思维为主,逐步向抽象逻辑思维过渡的阶段。然而“吨”这个非常大的质量单位,远离学生的生活实际。如何将“吨”这个抽象的概念,以具体、形象、可直接感知的形式呈现在学生眼前,如何让学生“体验”“1吨”是本节课的重点,也是本节课的教学难点。
在学习“吨”这个质量单位前,学生已经对克和千克有了一定的认识。知道了1千克=1000克。测量较轻物体的质量常用克作单位,而一般的物体可以用千克作单位。这样一来学生就知道了测量较重的物体或者是大型物体时常用吨作单位。但是“吨”到底有多重呢?学生没有直观的认识。也不可能像认识克和千克那样让学生亲自体验。所以,对于吨这个质量单位对学生来说有一定的难度。本节课中,为了突破本节课的难点,我主要通过一个学生(班上最胖)的体重是40千克,25位学生才1吨;老师体重70千克,约15个才1吨;两头牛的体重也大约是1吨……让学生在对比的数字中充分感受1吨之大。
整节课注重从学生的生活经验和已有的知识出发学习和理解数学;联系生活,让学生在体验中学习;通过实践活动,让学生观察、体验、分析、推理、估计、想象,在探索中体验,在体验中学习。以具体的实物建立“1吨”的表象,让学生确实感受到“1吨”是很重、很大、很多的。同时,在教学中让吨的单位换算融入在“师生和动物体重”的估计与转换之中。使学生在主动获取新知的过程中,思维得到锻炼,情感得到体验,创新意识和实践能力得到培养。
虽然进行了充分的准备,但在教学时还是发现了一些问题:
1、学生的计算能力较差,推算多少个物体重约1吨比较难算。
2、是否有更好、更直接的物体能帮助学生建立“1吨”的表现。
3、“吨”离学生的生活实际太远,虽然举出了一些生活中的例子,但对于三年级的孩子来说,还是有一定的难度。
爱因斯坦说:“发现问题比解决问题更重要”,在今后的教学中,我也会不断地改进教学方法,提高教学技艺,多向其他老师学习,及时记录自己的得失并加以改进,不断提高课堂教学的时效性和趣味性,让更多的学生爱上数学课。
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在进行教学授课前提前准备好教学设计,并且对自己在教学中所要讲授的内容有一个很好的预知与安排!下面是读文网小编网络整理的三年级数学除法的初步认识教学设计,相信这些文字会对你有所帮助!
单元是学生学习除法的开始,是学习除法概念的第一课,是今后学习除法的基础。而 “除法的初步认识”是学生学习除法的开始,学生在原有的知识结构中没有这方面的知识,学生对除法意义的理解及对除法的兴趣将直接影响到后面的学习,本节包括“平均分”和“除法”两部分内容。本节教材主要是让学生在具体情境中通过实践操作明确平均分的含义,在头脑中形成平均分的表象,进而让学生在具体情境中体会除法运算的意义。让学生掌握除法算式的写法和读法。而例4除法的含义,是学生学习除法的一个难点,本节课的教学“把一个数平均分成几份,求每份是多少”是学生学习除法的开始,关键是使学生理解“平均分”的含义,即每份分的结果同样多。
我从让学生小组合作分苹果开始,通过分东西使学生进一步明确“平均分”的含义。接着以故事的形式引入帮小熊猫平均分竹笋的具体情境,课上通过请学生演示帮小熊分竹笋的过程从而引出除法,使学生直观地了解除法的含义。再让让学生认识了除号,了解除法算式的写法和读法。整节课以平均分物的事例设计“除法”内容,有利于激发学生学习的情趣。更重要的是,让学生在生动具体的情境中认识除法。
我在进行教学设计时注意从生活实际出发,体现知识的形成过程,符合学生的认知规律。在教学过程中,注意创设情境和氛围,充分运用示范演示、学生实际操作等多种形式进行教学。教学时在知识点上,使学生清楚地看到平均分的过程,形象直观地理解除法含义,通过让学生分东西,使学生在探究知识的形成过程中,能力得到培养,学生的主体性得到发挥。在课堂上注重学生多方面的发展,实现三为目标,立足培养学生的创新意识和自主学习的能力。
本节课的不足之处:
1、有部分学生对除法的含义理解不到位,没有让学生说出每一个数在算式中所表示的含义?
2、练习题的设计较单一,应设计多样化的练习,练习题应有梯度。
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在三年级,小学生们就要开始认识周长,那么在数学课堂上,老师要怎么对认识周长进行教学准备呢?下面是有读文网小编为你整理的三年级数学《认识周长》教学设计,希望能够帮助到你!
本节课的教学是在学生认识三角形、平行四边形、长方形、正方形等平面图形的基础上展开的,是学平面图形周长的基础。学生只有对“周长”的概念做到真正的理解,形成表象,才能对后面的周长的计算、测量及应用有更好的理解,同时也为后面将要学习面积及面积的计算做好提前孕伏,所以,学好本节课的内容,对今后的学习将起着非常重要的作用。
本节课我首先在黑板上板书了一个“周”字,请学生说这个字的意思。学生根据自己已有语文知识经验的基础,很快就说出:“周就是一周、一圈的意思。”我顺势导入新课:“今天我们要研究的知识就与这个周字有关。”接着,我又在“周”字的后面加了一个“长”字,问学生:“那你知道“周长”这个词语的意思吗?”学生很自然的答道:“那就是一周、一圈的长度。”看来,学生对于“周长”的概念还是有一定的认识的,怎样帮助学生进一步理解概念呢?这就是我本节课的教学重点。
在教学的第二个环节,我引导学生通过用手摸一摸树叶的周长、用绳子围一围课桌的周长等活动,让学生感受并理解实物外面一周的长度就是它的周长,为后面的教学做好准备。
教学的第三个步就是要让学生理解“封闭图形”这个词。我在黑板上画了一个不封闭的图形,问:这个图形有周长吗?学生异口同声说:“没有,因为它没有封起来。”从学生的回答中,说明学生对封闭这个词已经理解,就是不能正确地表述。在学生理解了“封闭图形”这个词语的基础上,我请学生说说:“你认为什么叫周长?”学生很快说出了周长的概念,教师顺势完善周长的板书。
在教学的最后,为了拓宽学生的知识面,我还增加了将几个小正方形拼成一个大长方形或一个十字架型,让学生描出并算出拼成后图形的周长。这个训练,不仅加深了学生对周长的理解,而且还为以后的计算打好了基础。
总之,我感觉今天这节课最遗憾的还是小组合作,虽然我让学生进行了一些分工,但仍是优等生控制着整个局面,有的学生就只有看和做做助手的份,怎样发挥每个成员的作用,还需在以后的教学中继续探索。
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中考英语即将来临,掌握完型填空的特点及解题技巧可以让我们在考试答题的过程中更加灵活。接下来是读文网小编为大家带来的关于2017中考英语的完型填空的特点及解题技巧,希望会给大家带来帮助。
1.通读全文,了解大意。
完形填空题是一种有较高障碍性的阅读理解,首先应跳过空格通读全文,了解全文大意。通读一遍仍有模糊感觉,也很正常。考生切不可急躁,尽量稳定自己的情绪,再快速读一至两遍,注意短文中的关键词和中心句。
2.领会句义,斟酌选项。
考生应以全文为背景,联系句子的上下文进行推理和判断,综合运用语言知识,从4个选项中选出一项试填。试填时应做到瞻前顾后、综合分析、多角度思考。考生可以从词义用法、固定搭配、逻辑推理和上下文的联系等方面去考虑。
3.复读全文,验证答案后,应再把全文通览一遍。
细心检查所选答案能否使短文上下连贯,前后呼应,词句通顺,使短文意思完整。检查时还应从语法、惯用法、逻辑推理和事情发生的情节等方面进行考虑,以达到准确无误之目的。
4.通读短文知大意,看整体全面了解
与阅读理解题和其它类型的完形填空一样,首先要通读短文,了解文章的大意。每篇短文段落之间必然承上启下、前呼后应。
因此通读全文时要一气呵成,只要能了解短文的大意即可,细节不理解可以跳过。因此,在解题之前通读一遍短文,目的是对文章有个全面的了解,弄清其中心思想和大意。
5.复读短文抓信息,前后照应巧猜词
在了解文章大意的前提之下再次通读短文,目的是对短文有更进一步的了解。在阅读时要特别注意一篇文章的开头(一般不设空)和结尾,它们能提供主要的信息,帮助了解全文所描述的事件或文章的中心思想。
在阅读过程中,要注意上、下文的关系,这对于把握文章的整体意义大有用处。
另外,要学会跳读,即对不理解的地方采用暂时回避的方式,待真正理解全文之后再找解决的方法。有些短文填空题,有时出现约 3%~5% 的生词是很正常的,这就要求学生根据构词知识或上、下文的意思加以猜测,来确定它的词义。
6. 反复推敲多分析,慎重答题讲合理
再次通读短文,对留空的句子进行全面的分析,看它在全文中所处的位置、作用和意义。这一遍阅读要求是精心阅读,要留心找出关键词、短语或句子,还要结合所给首字母的提示,进行填写,并注意单词的正确形式。
7.认真复查全文,把握整体和词形
做完以后,再认真读一遍,检查所填写的单词是否与文章要求相符,文章是否通顺,前后是否呼应,有无句型结构及语法错误。
从实际中看,很多学生能够充分利用词首字母和短文内容填写单词,但是,问题往往出现在单词的形式变化上。比如填q ,要求填写 quickly ,而多数考生只知道填写 quick ,忽略了词性问题。因此,深思熟虑很重要。
◆41. “疑问词 + 动词不定式”与“宾语从句”的互换。
⑴ I will show you where you should go .= I will show you _____ __________ .
⑵ Idon’t know what to do . =I don’t know what _____ .A should I do B I should do
⑶ Could you tell me how I can get to Summer Palace ?= Could you tell me how _____ _____ _____Summer Palace ?
※宾语从句应该用陈述语序。如:Could you please tell me ____ ____ ____ ____ (天气如何)in Chongqi?
◆42. 问题/难题 question由于疑惑不解而提出的问题,多和ask / answer搭配使用。
problem指有待解决的较难的问题或物理/数学方面的题等,多与solve /work out 搭配。
⑴ Please answer my________ in English . ⑵ I can’t work out this maths _______.
⑶ Thisis a difficult_______ to answer .
◆43.family家/家庭(强调家庭成员,与居住的房子无关)→My family are kind people .
home 家(指人出生或居住的地方,带有一定感情色彩)→Welcome to my home .
house 房子/住宅(居住的建筑物)→They moved to their new house last year .
⑴ How many people are there in your _____? ⑵ I want to save money and buy a big ____.
⑶ Ilove Chengdu , I looked Chengdu as my ______ .
◆44.in front of (在…前面) 在某一范围以外的前面→There is a tall tree in front of our classroom .
in the front of (在…前部) 在某一范围内的前面→Twopersons are sitting in the front of the car .
⑴ The policeman stands____________ the car . ⑵ The driver sits ____________ the car .
◆45. 在晚上,在夜里 at night
on + a +adj + night
⑴ You shouldn’t go out _____ night. ⑵ He met a thief_____ a cold night .
◆46. 在…之间 between (两者之间)多与and连用。
among(三者或三者以上的人或物之间)
⑴ She is sitting______ Lucy and Lily . ⑵ He built a house ______ the trees .
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重口啊的英语该如何解题呢?接下来是读文网小编为大家带来的关于中考英语完型填空解题7个技巧,希望会给大家带来帮助。
一、 解题步骤
第一步:要快速通读全文,了解文章大意,正确分析、归纳文章主旨。
第二步:在理解文章大意基础上,对每道题所给的词语进行剖析,考虑语境,上下呼应,运用逻辑思维进行推理,再根据自己最有把握的、最熟悉的短语、习惯用语、动词形式和句子结构等,先完成简单的,把难的留在后面。
第三步:再细读全文,集中精力解决难点,填补空缺。
第四步:答题完毕,遵循由整体到局部、由局部到整体的规律,再耐心通读全文,认真复查所选答案是否得当,语法是否正确,逻辑推理是否合理。
以下也是中考英语完型填空的步骤,供同学们参考:
1 图可以帮助参考; 2 答案线索一定在文中;3 完形又称障碍式阅读,可当作阅读题来做
第一遍:3-5min:仔细读开头,结尾。中间跳读,不看选项
第二遍:如果遇到不会的题要做标记
不要检查(修改),除非有铁证。
二、 解题技巧
完型填空有哪些技巧,中国教育在线小编带你学习6种技巧,针对每种技巧给予例题学习:
1、 前后照应利用上下文信息,选择或填写正确的词是完型填空解题时最常用的方法之一。在做四选一的完型填空时,我们有时会发现每一个选项从语法角度来讲都可以说得通,遇到这种情况,我们应细读上下文,正确答案会在上下文中得到提示。试看以下例题:
[例1]What do I remember about my childhood? There were good things and bad things. We used to live______ , and my parents always got up early in the morning to feed the cows and sheep.
A. in a town B. on a farm C. on a busy street D. in a city
【解析】B 本段主要讲作者回忆儿童时代所居住的地点。从四个选项来看都是可能的,语法上都说得通。但通过下文my parents always got up early in the morning to feed the cows and sheep.提示我们可以知道作者生活在农村,正确答案选B。
[例2]I was making a trip from Paris to London. At a small town near London, I stopped to do some s______ .As l was going into a very crowded shop. I saw a few young people talk in about something they had just b_____
【解析】本段主要讲作者在伦敦的一个小镇的经历。在第一空格上,由下文a very crowded shop这个词组可以推断应填shopping,这样就很容易判断第二空格内应填bought了。
[例3]I always remember waking up to the smell of the breakfast my mother was cooking. What a wonderful smell! I used to _______ ,wash quickly and run downstairs. My breakfast would be waiting for me on the table.
A. leave the bed B.lie in bed C. jump out of bed D. get up
【解析】C 本段讲每天早上妈妈煮的早餐发出诱人的香味,使得躺在床上的我立即起床。根据题干,A、C、D均和床有关联,但是按上下文情景的提示,此处还要表达作者的一种迫不及待的心情。因此只能选C。
2、情感态度:较难题。其中形容词,副词中分为三种情感:
(1) 正情感:happy amazing等
(2)零情感:fast slow surprising等
(3) 负情感:sad failure等
[例1] Later that day, I happened to pass Jeff in the dining room . I offered him a “congratulations”and walked to my usual table . To my surprise, Jeff put his plate beside mine.
A. politeB. loudC. warmD. cheerful
【解析】A 形容词感情色彩+联系上下文。由本段出现的第一个形容词usual 来判断作者的感情色彩是平淡的,故排除B. loud和D. cheerful选项,由 第二个形容词surprise 来判断,作者与Jeff的关系不是非常亲密,所以排除C warm选项。
[例2] Among them, a weak boy with ugly teeth and thick glasses kept shaking. I had seen him around, and I knew he was always laughed at. He seemed __37_unsure_ of himself, and was so pale that it __38__ us to look at him.
37. A. unafraid B. unsure C. proud D. tired
38. A. worried B. surprised C. taught D. hurt
【解析】D 由上文的描述可知,他的脸色是如此苍白,以至于看着他会让人难受。故选择形容词hurt。
3、固定搭配
[例1]On the train, Tom was looking l for his ticket because the conductor was coming __2 to his ticket.
1. A. out B. forward C. anywhere D. everywhere
2.A. down B. up C. in D. on
【解析】第一空格指Tom在火车上到处找车票,因此选D。everywhere为最佳答案,anywhere常用于否定句和疑问句中。第二空格意为列车员上前查票,走到某人面前come up to sb.为固定词组搭配,因此选B。
[例2 ] Whenever I’m __ __, I still look back at that yearbook.
47. A. away B. out C. behind D. down
【解析】本文讲述了一位叫Ricky的学生的前后变化:从经常被大家嘲笑,没有自信到充满自信并被大家喜欢。此题为本文最后一题,想表明每当我遇到挫折时,总会想起那天的事情。be down,固定搭配,表示情绪低落的。
[例3] My next step was to which new activities students would like to have at our school. Many of them wanted a chess club and a volleyball team.
43.A. carry outB. try outC. work outD. find out
【解析】固定搭配和动词短语辨析: carry out 实施, try out 尝试, work out 解决 ,find out 找出+事实,真相 ,结合上下文,wanted a chess club and a volleyball team,下文的 collect information 得出答案为 D。
4、词义辨析
在选项中设置四个词性一致、意义相近的词是完型填空命题时常用的手段之一。在做此类题目时,必须要在特定的语境中选择最佳,或者也可以推敲一些固定的词组搭配来进行选项。在做首字母完型填空时,尤其应注意空格所缺单词的词性及词组搭配。
[例1]After going a diet, a woman f l really good about herself-especially she was a 2 to fit into a pair of jeans.“Look, Look!" She shouted while running downstairs toshow her husband.
【解析】本段落主要讲一位女士经过减肥后可以穿得上一条牛仔裤,并要演示给她丈夫看的情景。第一格表达主人公的感觉很好,因此填felt;第二格表达她能够穿上牛仔裤了,be able to为固定搭配。
[例2]A Japanese manager once said he himself and his workers would all stand while they were having meetings. Do you _________what he means?
A.think B. guess C. know D. understand
【解析】C 本段讲述了一个日本经理和他的员工在开会时将都站着。本题问的是你知道他说话的含义吗。从四个选项看,A和B放人句中意思不通,而C和D两个答案很接近。 D选项强调理解他的意思,从上文句子看当然很好理解这句话讲述了什么事。但是其中的含义就不知道了。因此选项C才是最合适的。
[例3] “Well, if you change your mind, we are meeting tomorrow ,”he said before moving to another table.
All that right, I thought about the 39 from Jeff.
A. advice B. chanceC. messageD. offer
【解析】D 考点为名词辨析+联系上下文: A. advice指的是忠告,多指医生对病人,长辈对晚辈; C message 多指口信,转述客观事实不带有主观色彩;B chance 最大的干扰选项 因为下文出现个chance ,但是chance表示的一种可能性,抽象名词 D offer 作为名词表示提议,联系上文D为最佳答案。
5 、中心主旨:文章中最后一句通常为积极的态度或观点。
[例1]I had wanted to become president of Student Council to make a difference. I achieved that and more by working as a member of Jeff’s team. He became the most popular candidate and I was a large part of his . The fact that it has made a difference in other people’s lives is the real prize. What a great feeling!
A. luckB. spiritC. lifeD. success
【解析】 D 本文讲到在参加学生会主席竞选初选落选后,“我”受邀参加了曾经是对手的Jeff的竞选团队,并在其中发挥了很大的作用,帮助Jeff竞选成功,也得到了启发:不管是在什么位置上,只要自己发挥了作用,这就是真正的奖励,并会给自己带来美好的感受。本题说我也是他成功中的一部分,所以选择success。
[例2] I honor my aunt, who taught me the things my ____ couldn’t. so every June for the past 40 years, in growing thankfulness to my Aunt Marion, I’ve sent her a Father’s Day card.
A. Teachers B. mother C. father D. friends
【解析】本文讲述,“我”出生没多久父亲就去世了,是姨妈Mrion一直充当着父亲的角色,带“我”成长,所以在过去的40年里,“我”每天都要送父亲节贺卡给她,以表达“我”不断加深的感激之情。故本题选C。
6、简单逻辑 :分为因果,并列,转折,否定。
[例1] For more than sixty years, Aunt Marion didn’t and still don’t think of herself. ___ she is forced to come up to the front, my aunt will stand in the back in family photos, and she doesn’t think that her efforts have made much…
A. Unless B. Although C. Since D. Before
【解析】A 句意:如果不强迫她来到前面,在找全家福时她会站在后面。unless除非,如果不。although虽然,尽管。since自从,既然;berore 在…之前。
[例2] No one could walk through any hallway 42 passing Jeff’s smiling face.
A. forB. fromC. withD. without
【解析】D 最能凸显出 poster 效果的介词是without 否定介词与前面的no 相呼应,双重否定表肯定。
7、情景还原
[例1]The most amazing thing was that she taught me to read my . I remember that I spent hours in front of the mirror and tried to repeat every' word that I said.
A. eye B. face C. heart D. mouth
【解析】 D 情景还原 由后文的I spent hours in front of the mirror and tried to repeat every' word that I said.可知,一定是用嘴 mouth 去said。故选择mouth.
[例2]And then I saw what seemed to be the prodigy (奇才) side of me - because I have never seen that face before. I looked at myself in the mirror, blinking (眨眼) so I could see more .
A. easily B. quickly C. clearly D. differently
【解析】C 情景还原 前文提到I looked at myself in the mirror, blinking (眨眼) so I could see more…做的这一系列的动作是想看清自己,选择clearly,清晰地。
看过中考英语完型填空解题7个技巧的还看了:
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英语最怕完型填空和阅读理解,在中考同学们要有和技巧呢?接下来是读文网小编为大家带来的关于中考英语完型填空及阅读理解解题技巧,希望会给大家带来帮助。
一、完形填空解题技巧
完形填空主要测验学生的语言综合运用能力,包括基础知识的掌握和运用,对整个文章逻辑联系的理解,在情景中辨析词义的能力以及词组短语搭配的使用能力, 这是大部分考生认为难度最大的考查项目。
有些考生的听力基础知识部分做的还比较好,但是完形填空却只能做对一两道,有的甚至对完形填空产生了恐惧心理,导 致全军覆没。其实只要我们有信心,有良好的心理素质,再加上一定的技巧,完形填空并不是不可逾越的鸿沟。
1平心静气不急不躁
对完形填空心存恐惧,是导致失误的根本原因,有些考生满脑子的畏难思想,殊不知这种情绪只会使得自己的全部思想游离题外,根本无法进入思维,还谈何理解文章的内容呢?所以,集中思想、树立信心、平心静气、去除杂念才是做好完型填空题的保证。
2浏览全文把握大意
浏览全文能获得更多的上下文提供的信息,并根据文章的内在逻辑意义、贯穿文章始终的主线以及作者行文的走向,把握文脉,调整并定位自己的解题思路,从而做出最终的判断。
如在Computer一文中,作者贯穿文章始终的主线为Computers are important for human beings,但到了最后,作者笔锋一转,提出Are you afraid if computers can really think one day?作者的行文走向是一种担心和忧虑,所以读者既要善于听话听音,也要把握准文脉,及时调整、定位自己的思路,就会发现上述问题的正确回答应该是 Yes,we are afraid.
3识别短语注意搭配
一类短语是由动词 介词,或动词 副词构成,在现代英语中,这类词组很多而且实用性强、结构简练、使用灵活、表达生动,
如break the ice,look forward to,keep an eye on,catch one's eye等;还有一类使用极广的是介词短语,如with regard to,in a blink of,on everyone's lips,at the age of等。
如果平时能注意词组、短语的整体记忆,掌握它们的搭配规律,在做完形填空时就能得心应手,减少失误,提高完形填空的命中率。
4运用语法理顺关系
语法知识是指导完形填空的法宝,词汇是根据语法规则确定各自的位置,有了语法规则文章才能有条不紊、顺理成章。
如介词后的代词必然是宾格;物质名词一般不用复数;形容词必须放在不定代词后;行为动词的否定和疑问句应由助动词do构成;情态动词只能与不带to的动词连用等。
5遇到难词反复默念
有时会遇到这样的情况,大部分词都填出来了,只有一、两个难词绞尽脑汁仍不得要领,如果考试时间允许,不要轻易放弃。先从语法角度考虑,再从逻辑角度考虑是否有隐含意思、作者的情感以及背景文化和习俗等。
有时句子好像什么也不缺,读上去很完整,就必须考虑,很可能缺的就是连词and,副词then、always、sometimes等,如果还未填出,应反复默念几遍,有些词就会悄然而至,在你的记忆中浮现出来。
6细心检查避免疏漏
完成填空后最关键的一点是要细心检查每一个填空处是否有笔误或疏漏的地方。有些考生为自己全部填出了而沾沾自喜,根本没想到不是缺了“’”就是少了“s”,或是忘了加“ed”,这是很可惜的,因为从意思上他是理解了题目,但却因粗心失分。
用好上面的“克敌绝招”,相信每位同学都能够在考场上如鱼得水。
二、阅读理解解题技巧
1分门别类识别文体
记叙文阅读主要抓四大要素,即时间、地点、人物和事件的起因、发展和结果,以及人物之间的关系、表现,从中分析他们思想品质、性格特征等;
议论文是阐明作者对人或事的好坏的立场观点,因此在阅读时必须正确把握文章的论点和论据,理清论证思路,再进行逻辑推理得出结论;
应用文是最贴近日常生活的文体,它包括通知、广告、便条、申请书、个人简历,形式多样,题材各异,如图示、表格、地址、网址等,对这类文体的阅读应简明扼要地抓住所需信息,理解文章内容。
2统览全篇摘录要点
阅读理解是对整个文章的目的、意图、观点、立场、态度以及内在的逻辑关系的理解,而不是断章取义的一孔之见,所以统览全篇和问题是很有必要的,这些问题会给你提供信息或暗示文章中的一些重要细节。
在统览全篇的同时要注意要点的摘录,因为一些显性的答案是可以从要点中直接回答,而隐性的答案则是要通过对全篇的理解才能得出。摘录要点亦有利于检查时节省时间。
3开动脑筋推测词意
初中英语教学基本要求规定,学生能根据上下文推测词义,并能不借助词典读懂含有3%生词的语言材料,换言之,这就是促使学生的知识内化的过程,学生要通过知识内化将内隐的心理活动转换为外显的行为,可以借助以下的几种方法完成内化过程:
(1)根据上下文猜测词意。
(2)根据构词法猜测词意。
前缀un-表反义词,如happy、unhappy;fair、unfair;important、unimportant等。
后缀- ment表名词,如develop、development;state、statement;argue、argument等。
后缀-er、-or或-ist表同源名词,如calculate、calculator;visit、visitor;law、lawyer;wait、waiter;science、scientist;art、artist等。
4用知识和生活经验理解短文
如根据化学知识,可以理解科普读物Water is made from oxygen and hydrogen;根据生活经验可以理解Green plants let out oxygen and breathe in carbon dioxide.
还有一种方法是根据逻辑推理理解短文。逻辑推理实际上就是文章的“弦外之音”、“言下之意”。如一道中考模拟卷阅读问题, Then they came to the second picture. The assistant was going to draw the cloth as he did before. As soon as he touched the cloth, he cried, “Wonderful It's the best picture I have ever seen!” 据此可以推断出第二张画画的是一块布。
5条分缕析理解长句
长句是初中生阅读理解的难点之一,长句中通常包含并列、复合、倒装等结构,对于这类句子要分清主次,先找出句子的主、谓、宾、定、状、补,再找出修饰它的从句或短语等。
如,Parents whose children show a special interest in a particularsport have a difficult decision to make about their children's career.
先找出本句的主、谓、宾为Parents have a decision.
再找出修饰语Whose children show a special interest in a particular sport为Parents的定语从句,difficult修饰decision,to make about their children's careers为不定式做decision的定语。
经过分析,化整为零,化繁为简,此句就不难理解了。
看过中考英语完型填空及阅读理解解题技巧的还看了:
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英语最怕完型填空和阅读理解,在中考同学们要有和技巧呢?接下来是读文网小编为大家带来的关于中考英语完型填空及阅读理解解题技巧,希望会给大家带来帮助。
一、完形填空解题技巧
完形填空主要测验学生的语言综合运用能力,包括基础知识的掌握和运用,对整个文章逻辑联系的理解,在情景中辨析词义的能力以及词组短语搭配的使用能力, 这是大部分考生认为难度最大的考查项目。
有些考生的听力基础知识部分做的还比较好,但是完形填空却只能做对一两道,有的甚至对完形填空产生了恐惧心理,导 致全军覆没。其实只要我们有信心,有良好的心理素质,再加上一定的技巧,完形填空并不是不可逾越的鸿沟。
1平心静气不急不躁
对完形填空心存恐惧,是导致失误的根本原因,有些考生满脑子的畏难思想,殊不知这种情绪只会使得自己的全部思想游离题外,根本无法进入思维,还谈何理解文章的内容呢?所以,集中思想、树立信心、平心静气、去除杂念才是做好完型填空题的保证。
2浏览全文把握大意
浏览全文能获得更多的上下文提供的信息,并根据文章的内在逻辑意义、贯穿文章始终的主线以及作者行文的走向,把握文脉,调整并定位自己的解题思路,从而做出最终的判断。
如在Computer一文中,作者贯穿文章始终的主线为Computers are important for human beings,但到了最后,作者笔锋一转,提出Are you afraid if computers can really think one day?作者的行文走向是一种担心和忧虑,所以读者既要善于听话听音,也要把握准文脉,及时调整、定位自己的思路,就会发现上述问题的正确回答应该是 Yes,we are afraid.
3识别短语注意搭配
一类短语是由动词 介词,或动词 副词构成,在现代英语中,这类词组很多而且实用性强、结构简练、使用灵活、表达生动,
如break the ice,look forward to,keep an eye on,catch one's eye等;还有一类使用极广的是介词短语,如with regard to,in a blink of,on everyone's lips,at the age of等。
如果平时能注意词组、短语的整体记忆,掌握它们的搭配规律,在做完形填空时就能得心应手,减少失误,提高完形填空的命中率。
4运用语法理顺关系
语法知识是指导完形填空的法宝,词汇是根据语法规则确定各自的位置,有了语法规则文章才能有条不紊、顺理成章。
如介词后的代词必然是宾格;物质名词一般不用复数;形容词必须放在不定代词后;行为动词的否定和疑问句应由助动词do构成;情态动词只能与不带to的动词连用等。
5遇到难词反复默念
有时会遇到这样的情况,大部分词都填出来了,只有一、两个难词绞尽脑汁仍不得要领,如果考试时间允许,不要轻易放弃。先从语法角度考虑,再从逻辑角度考虑是否有隐含意思、作者的情感以及背景文化和习俗等。
有时句子好像什么也不缺,读上去很完整,就必须考虑,很可能缺的就是连词and,副词then、always、sometimes等,如果还未填出,应反复默念几遍,有些词就会悄然而至,在你的记忆中浮现出来。
6细心检查避免疏漏
完成填空后最关键的一点是要细心检查每一个填空处是否有笔误或疏漏的地方。有些考生为自己全部填出了而沾沾自喜,根本没想到不是缺了“’”就是少了“s”,或是忘了加“ed”,这是很可惜的,因为从意思上他是理解了题目,但却因粗心失分。
用好上面的“克敌绝招”,相信每位同学都能够在考场上如鱼得水。
二、阅读理解解题技巧
1分门别类识别文体
记叙文阅读主要抓四大要素,即时间、地点、人物和事件的起因、发展和结果,以及人物之间的关系、表现,从中分析他们思想品质、性格特征等;
议论文是阐明作者对人或事的好坏的立场观点,因此在阅读时必须正确把握文章的论点和论据,理清论证思路,再进行逻辑推理得出结论;
应用文是最贴近日常生活的文体,它包括通知、广告、便条、申请书、个人简历,形式多样,题材各异,如图示、表格、地址、网址等,对这类文体的阅读应简明扼要地抓住所需信息,理解文章内容。
2统览全篇摘录要点
阅读理解是对整个文章的目的、意图、观点、立场、态度以及内在的逻辑关系的理解,而不是断章取义的一孔之见,所以统览全篇和问题是很有必要的,这些问题会给你提供信息或暗示文章中的一些重要细节。
在统览全篇的同时要注意要点的摘录,因为一些显性的答案是可以从要点中直接回答,而隐性的答案则是要通过对全篇的理解才能得出。摘录要点亦有利于检查时节省时间。
3开动脑筋推测词意
初中英语教学基本要求规定,学生能根据上下文推测词义,并能不借助词典读懂含有3%生词的语言材料,换言之,这就是促使学生的知识内化的过程,学生要通过知识内化将内隐的心理活动转换为外显的行为,可以借助以下的几种方法完成内化过程:
(1)根据上下文猜测词意。
(2)根据构词法猜测词意。
前缀un-表反义词,如happy、unhappy;fair、unfair;important、unimportant等。
后缀- ment表名词,如develop、development;state、statement;argue、argument等。
后缀-er、-or或-ist表同源名词,如calculate、calculator;visit、visitor;law、lawyer;wait、waiter;science、scientist;art、artist等。
4用知识和生活经验理解短文
如根据化学知识,可以理解科普读物Water is made from oxygen and hydrogen;根据生活经验可以理解Green plants let out oxygen and breathe in carbon dioxide.
还有一种方法是根据逻辑推理理解短文。逻辑推理实际上就是文章的“弦外之音”、“言下之意”。如一道中考模拟卷阅读问题, Then they came to the second picture. The assistant was going to draw the cloth as he did before. As soon as he touched the cloth, he cried, “Wonderful It's the best picture I have ever seen!” 据此可以推断出第二张画画的是一块布。
5条分缕析理解长句
长句是初中生阅读理解的难点之一,长句中通常包含并列、复合、倒装等结构,对于这类句子要分清主次,先找出句子的主、谓、宾、定、状、补,再找出修饰它的从句或短语等。
如,Parents whose children show a special interest in a particularsport have a difficult decision to make about their children's career.
先找出本句的主、谓、宾为Parents have a decision.
再找出修饰语Whose children show a special interest in a particular sport为Parents的定语从句,difficult修饰decision,to make about their children's careers为不定式做decision的定语。
经过分析,化整为零,化繁为简,此句就不难理解了。
看过中考英语完型填空及阅读理解解题技巧的还看了:
浏览量:3
下载量:0
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接下来是读文网小编为大家带来的关于初三英语上册期末复习完型填空训练题,希望会给大家带来帮助。
(I)
When I was in the 8th grade in Ohio, a girl named Alice in my class had a terrible accident. As she was running to the bus in order not to ___1___ it, she slipped on some ice and fell under the rear wheels of the bus. She ___2___ the accident, but was paralyzed from the waist down. I went to see her, in my 13-year-old mind thinking she wouldn’t live ___3___ from then on.
Over the years, I moved and didn’t think much about Alice after that. Three years ago, in Florida, my oldest son was hit by a car while riding his bike, causing a terrible brain injury. While I was looking after my son, a lady who said she was the hospital’s social worker ___4___. It was a particularly ___5___ day. I burst into tears for no reason and hung up.
A short time later, a beautiful woman, in a wheelchair, ___6___ into my son’s room with a box of tissues. After 16 years, I still recognized Alice. She smiled, handed me the tissues and hugged me. I told her who I was, and after we both got ___7___ the shock of that, she began to tell me about her life since we last saw each other. She had married, had children and gotten her degree ___8___ she could smooth the path for those less fortunate than her. She told me that if there was anything she could give me, it would be ___9___.
Looking at this wonderful, giving person, I felt ___10___. But I also felt the first hope I had felt since ___11___ that my son was hurt. From this person that I thought would have no quality of life, I learned that where there is ___12___, there is hope. My son miraculously recovered and we moved back north, but I owe Alice a debt that I can never repay.
( )1. A. catch B. follow C. miss D. break
( )2. A. forgot B. remembered C. died D. survived
( )3. A. healthily B. happily C. normally D. successfully
( )4. A. called B. came C. helped D. returned
( )5. A. working B. trying C. hoping D. moving
( )6. A. walked B. rolled C. rushed D. went
( )7. A. through B. around C. ahead D. about
( )8. A. because B. until C so that D. although
( )9. A. love B. hope C. smile D. money
( )10. A. happy B. excited C. small D. proud
( )11. A. discovering B. hearing C. showing D. learning
( )12. A. family B. love C. friendship D. life
(II)
I should say I owe my success to my mother. My belief began when I was just a kid. I 1 becoming a doctor.
My mother was a servant. Through her work, she found that 2 people spent a lot more time reading than they 3 watching television. She told my brother and me to watch only two to three pre-selected TV programs during the week. In our free time, we had to read two books from the Detroit Public Library and 4 written book reports to her. She would mark them up with check marks and highlights. Years later we realized her marks were a trick because my mother was uneducated.
When I entered high school I was an A-student, but not for 5 . I wanted the brightly coloured clothes and I wanted to hang out with the guys. I went from being an A-student to a B-student to a C-student. One night my mother came home from 6 her various jobs and I complained about not having enough Italian knit shirts. She said, “Okay, I’ll give you all the money I 7 this week by scrubbing floors and cleaning bathrooms, and you can buy the family food and pay the bills. With everything paid off, you can have all the Italian knit shirts you want.” I was very 8 with that arrangement but once I got through allocating (分配) money, there was 9 left.
I realized my mother was a great woman to be able to keep a roof over our heads and any kind of food on the table, let alone buy clothes. I also realized that immediate satisfaction wasn’t going to get me anywhere. Success required intellectual preparation. I went back to my 10 and became an A-student again, and at last I 11 my dream and I became a doctor.
My mother is a woman with 12 formal education or property who used her position as a parent to change the lives of her children. There is no job more important than parenting.
( )1 A.dreamed of B.depended on C.gave up D.thought of
( )2.A.strict B.easy-going C.successful D.careful
( )3.A.cost B.paid C.took D.did
( )4.A.read B.present C.teach D.explain
( )5.A.soon B.far C.long D.often
( )6.A.working B.shopping C.making D.getting
( )7.A.accept B.win C.spend D.make
( )8.A.excited B.pleased C disappointed D.bored
( )9.A.anything B.everything C.something D.nothing
( )10. A.guy B.mother C.studies D.play
( )11. A.expected B.realized C.changed D.tried
( )12. A.little B.much C.few D.high
(III)
A daughter told her father about her life and said things were so hard for her. It seemed that, as one __1__was gone, a new one appeared. Her father, a cook, took __2__to the kitchen. He filled three pots with water and placed each on a high fire. Soon the pots came to a boil(沸腾). In one pot he __3__carrots, in the second he put some eggs, and in the last he put some coffee. He let them just boil, __4__saying a word.
The daughter waited, __5__what he was doing. Twenty minutes later he turned off the fire. He fished the carrots out and placed them in a bowl. Then he poured the coffee out and placed it in a cup. Turning to her he asked, “Dear, what do you see?” “Carrots, eggs and coffee,” She replied.
He brought her closer and asked her to __6__the carrots. She did and found that they were soft. Then he asked her to take an egg and __7__it. After pulling off the shell (外壳), she saw the hardboiled egg. Finally he asked her to drink the coffee. She smiled. As she tasted it, “What do you mean, Father?”
He explained that each of them had __8__the same trouble, boiling water, but each reacted(回应) differently. The carrot went in strong and hard __9__after being in boiling water, it softened and became weak. The egg had been easy to break. But after sitting through the boiling water, its inside became hardened. The coffee was __10__ , however. After it was in the boiling water, it __11__the water. “ __12__are you?” he asked his daughter. “When trouble knocks on your door, what do you do? Are you a carrot, an egg, or just coffee?”
( )1. A. question B. accident C. problem D. business
( )2. A. her B. him C. them D. it
( )3. A. threw B. placed C. took D. dropped
( )4. A. for B. by C. with D. without
( )5. A. knowing B. thinking C. wondering D. asking
( )6. A. smell B. accept C. count D. feel
( )7. A. open B. break C. cut D. play
( )8. A. faced B. called C. decided D. chosen
( )9. A. because B. though C. or D. but
( )10. A. useful B. different C. delicious D. expensive
( )11. A. became B. kept C. changed D. made
( )12. A. Which B. What C. Where D. Who
(IV)
There is a woman named Atsuko Saeki. When she was a teenager, she dreamed of going to the United States. Most of what she knew about American 1 was from the textbooks she had read. “I had a 2 in mind: Daddy watching TV in the living room, Mummy baking cakes and their teenage daughter off to the cinema with her boyfriend.”
Atsuko 3 to attend college in California. When she arrived,however,she found it was not her 4 world. “People had difficulty in doing something and often seemed uneasy,” she said. “I felt very alone.”
One of her hardest 5 was physical education. “We played volleyball,”she said. “The other students were good at it,but I wasn’t.”
One afternoon,the instructor asked Atsuko to 6 the ball to her teammates so they could knock it 7 the net. No problem for most people,but it frightened Atsuko. She was afraid of losing face 8 she failed.
A young man on her team realised what she was going through. “He walked up to me and said, ‘Come on. You can do that.’ ”
“You will never understand how those words of 9 made me feel... Four words:You can do that.I felt like crying with happiness.”
She made it through the class. Perhaps she thanked the young man;she is not 10 .
Six years has passed. Atsuko is back in her country,working as a salesclerk. “I have never forgotten the words,” she said. “When things are not going so well, I think of them.”
She is sure the young man had no idea how much his kindness 11 to her. “He probably doesn’t even remember it,” she said. That may be the lesson. Whenever you say something to a person — cruel or kind — you have no idea how long the words will 12 . She’s all the way over in Japan, but still she hears those four simple words: You can do that.
( )1. A. way B. life C. education D. spirit
( )2. A. photo B. painting C. picture D. drawing
( )3. A. managed B. hoped C. liked D. accepted
( )4. A. described B. imagined C. created D. discovered
( )5. A. times B. questions C. classes D. projects
( )6. A. kick B. pass C. carry D. hit
( )7. A. through B. into C. over D. past
( )8. A. before B. if C. because D. until
( )9. A. suggestion B. excitement C. sadness D. encouragement
( )10. A. interested B. doubtful C. worried D. sure
( )11. A. meant B. took C. seemed D. happened
( )12. A. continue B. stay C. get D. leave
(V)
It seemed that all the seniors(高年级学生)at Hillside School really wanted to
leave and move on to high school--- everyone except Neil. Neil had no real idea of high school except from the look of the 1 and the fact that there seemed to be thousands of kids---big kids. Neil also didn’t find 2 easy and had to read and re-read things many times before he 3 what was written on the page. One of the teachers at Hillside had sent him to a special teacher for 4 so that he wouldn’t find school so 5 . It didn’t make much difference. The 6 still kept moving about the page.
And at lunchtime, when the other kids 7 the exciting things they hoped to do next year at high school, Neil felt left out. He only thought of the hard work and the 8 . He’d heard about the long compositions he would have to write at high school and the thick books to read, and he knew he’d 9 again.
Neil shut himself off from the conversations, 10 someone mentioned hammers and nails(锤子钉子). “Something that didn’t involve(涉及)reading!” he said to himself. “Maybe high school wasn’t all that bad.”
He started listening more 11 to the excited conversation going on among the kids in his class. Every one of them seemed to be looking forward to moving on. To Neil, it was still the great 12 , and hard to understand. But, something deep down told him that high school wouldn’t be so bad, so trying his best would certainly be a good start.
( )1. A. hotels B. museums C. buildings D. gardens
( )2. A. shopping B. learning C. teaching D. driving
( )3. A. agreed B. thought C. hoped D. understood
( )4. A. help B. food C. money D. work
( )5. A. small B. clean C. difficult D. bright
( )6. A. words B. books C. teachers D. kids
( )7. A. discovered B. enjoyed C. imagined D. discussed
( )8. A. playing B. reading C. speaking D. listening
( )9. A. do B. fail C. start D. forget
( )10. A. because B. if C. until D. unless
( )11. A. quickly B. carefully C. politely D. silently
( )12. A. importance B. chance C. encouragement D. unknown
(VI)
The train shook back and forth, its wheels making a loud noise. Outside the window the freezing cold of winter ruled. The train was filled with cold, tired passengers.
Suddenly a little boy __1__ his way through the grown-up’s legs and sat down by the window. He was all alone among the unfriendly grown-ups. What a brave child, I thought. His father __2__ to stay by the door behind us. The train began to move slowly into a tunnel. Then something very __3_ happened suddenly. The serious little boy slid(滑) down from the seat and leaned (斜靠) his hand on my knee. For a moment, I thought that he wanted to __4__ me and returned to his father, so I helped him to stand up. But instead he leaned forward and held his head __5__ towards mine. He wanted to say something to me, I thought. I lowered my head to receive the __6__. Wrong again! What I received was a loud kiss on the face.
The boy quietly returned to his seat, leaned back and continued looking out of the window. I was so surprised. What just happened? A child kissed an __7__ grown-up on the train. How could anybody want to kiss such a man that had so much beard( 胡子)?Nervous and a little surprised, we smiled at the father. __8__ he saw our questioning looks as he got ready for his stop, he offered a clue ( some information).
“He’s so happy to be alive,” the father said, “ He has been very sick.” Father and son __9__ into the crowd moving toward the exit. Then doors closed and the train went on. On my face I could still __10__ the child’s kiss – a kiss that has started some soul-search (深思) inside me. How many grown-ups go around kissing each other __11__ the joy of being alive? How many even give much thought to the special right of __12__?
The little kisser has taught us a sweet but serious lesson – You don’t let yourself die before your heart stops!
( )1. A. lost B. moved C. fought D. pushed
( )2. A. preferred B. chose C. agreed D. hoped
( )3. A. interesting B. strange C. funny D. exciting
( )4. A. kiss B. beat C. pass D. ask
( )5. A. up B. on C. back D. out
( )6. A. news B. idea C. message D. thought
( )7. A. unsafe B. unimportant C. unfamiliar D. unfriendly
( )8. A. Before B. When C. Unless D. Since
( )9. A. disappeared B. ran C. looked D. came
( )10. A. touch B. smell C. have D. feel
( )11. A. in B. about C. for D. after
( )12. A. hope B. kiss C. death D. life
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(I)
When I was in the 8th grade in Ohio, a girl named Alice in my class had a terrible accident. As she was running to the bus in order not to ___1___ it, she slipped on some ice and fell under the rear wheels of the bus. She ___2___ the accident, but was paralyzed from the waist down. I went to see her, in my 13-year-old mind thinking she wouldn’t live ___3___ from then on.
Over the years, I moved and didn’t think much about Alice after that. Three years ago, in Florida, my oldest son was hit by a car while riding his bike, causing a terrible brain injury. While I was looking after my son, a lady who said she was the hospital’s social worker ___4___. It was a particularly ___5___ day. I burst into tears for no reason and hung up.
A short time later, a beautiful woman, in a wheelchair, ___6___ into my son’s room with a box of tissues. After 16 years, I still recognized Alice. She smiled, handed me the tissues and hugged me. I told her who I was, and after we both got ___7___ the shock of that, she began to tell me about her life since we last saw each other. She had married, had children and gotten her degree ___8___ she could smooth the path for those less fortunate than her. She told me that if there was anything she could give me, it would be ___9___.
Looking at this wonderful, giving person, I felt ___10___. But I also felt the first hope I had felt since ___11___ that my son was hurt. From this person that I thought would have no quality of life, I learned that where there is ___12___, there is hope. My son miraculously recovered and we moved back north, but I owe Alice a debt that I can never repay.
( )1. A. catch B. follow C. miss D. break
( )2. A. forgot B. remembered C. died D. survived
( )3. A. healthily B. happily C. normally D. successfully
( )4. A. called B. came C. helped D. returned
( )5. A. working B. trying C. hoping D. moving
( )6. A. walked B. rolled C. rushed D. went
( )7. A. through B. around C. ahead D. about
( )8. A. because B. until C so that D. although
( )9. A. love B. hope C. smile D. money
( )10. A. happy B. excited C. small D. proud
( )11. A. discovering B. hearing C. showing D. learning
( )12. A. family B. love C. friendship D. life
(II)
I should say I owe my success to my mother. My belief began when I was just a kid. I 1 becoming a doctor.
My mother was a servant. Through her work, she found that 2 people spent a lot more time reading than they 3 watching television. She told my brother and me to watch only two to three pre-selected TV programs during the week. In our free time, we had to read two books from the Detroit Public Library and 4 written book reports to her. She would mark them up with check marks and highlights. Years later we realized her marks were a trick because my mother was uneducated.
When I entered high school I was an A-student, but not for 5 . I wanted the brightly coloured clothes and I wanted to hang out with the guys. I went from being an A-student to a B-student to a C-student. One night my mother came home from 6 her various jobs and I complained about not having enough Italian knit shirts. She said, “Okay, I’ll give you all the money I 7 this week by scrubbing floors and cleaning bathrooms, and you can buy the family food and pay the bills. With everything paid off, you can have all the Italian knit shirts you want.” I was very 8 with that arrangement but once I got through allocating (分配) money, there was 9 left.
I realized my mother was a great woman to be able to keep a roof over our heads and any kind of food on the table, let alone buy clothes. I also realized that immediate satisfaction wasn’t going to get me anywhere. Success required intellectual preparation. I went back to my 10 and became an A-student again, and at last I 11 my dream and I became a doctor.
My mother is a woman with 12 formal education or property who used her position as a parent to change the lives of her children. There is no job more important than parenting.
( )1 A.dreamed of B.depended on C.gave up D.thought of
( )2.A.strict B.easy-going C.successful D.careful
( )3.A.cost B.paid C.took D.did
( )4.A.read B.present C.teach D.explain
( )5.A.soon B.far C.long D.often
( )6.A.working B.shopping C.making D.getting
( )7.A.accept B.win C.spend D.make
( )8.A.excited B.pleased C disappointed D.bored
( )9.A.anything B.everything C.something D.nothing
( )10. A.guy B.mother C.studies D.play
( )11. A.expected B.realized C.changed D.tried
( )12. A.little B.much C.few D.high
(III)
A daughter told her father about her life and said things were so hard for her. It seemed that, as one __1__was gone, a new one appeared. Her father, a cook, took __2__to the kitchen. He filled three pots with water and placed each on a high fire. Soon the pots came to a boil(沸腾). In one pot he __3__carrots, in the second he put some eggs, and in the last he put some coffee. He let them just boil, __4__saying a word.
The daughter waited, __5__what he was doing. Twenty minutes later he turned off the fire. He fished the carrots out and placed them in a bowl. Then he poured the coffee out and placed it in a cup. Turning to her he asked, “Dear, what do you see?” “Carrots, eggs and coffee,” She replied.
He brought her closer and asked her to __6__the carrots. She did and found that they were soft. Then he asked her to take an egg and __7__it. After pulling off the shell (外壳), she saw the hardboiled egg. Finally he asked her to drink the coffee. She smiled. As she tasted it, “What do you mean, Father?”
He explained that each of them had __8__the same trouble, boiling water, but each reacted(回应) differently. The carrot went in strong and hard __9__after being in boiling water, it softened and became weak. The egg had been easy to break. But after sitting through the boiling water, its inside became hardened. The coffee was __10__ , however. After it was in the boiling water, it __11__the water. “ __12__are you?” he asked his daughter. “When trouble knocks on your door, what do you do? Are you a carrot, an egg, or just coffee?”
( )1. A. question B. accident C. problem D. business
( )2. A. her B. him C. them D. it
( )3. A. threw B. placed C. took D. dropped
( )4. A. for B. by C. with D. without
( )5. A. knowing B. thinking C. wondering D. asking
( )6. A. smell B. accept C. count D. feel
( )7. A. open B. break C. cut D. play
( )8. A. faced B. called C. decided D. chosen
( )9. A. because B. though C. or D. but
( )10. A. useful B. different C. delicious D. expensive
( )11. A. became B. kept C. changed D. made
( )12. A. Which B. What C. Where D. Who
(IV)
There is a woman named Atsuko Saeki. When she was a teenager, she dreamed of going to the United States. Most of what she knew about American 1 was from the textbooks she had read. “I had a 2 in mind: Daddy watching TV in the living room, Mummy baking cakes and their teenage daughter off to the cinema with her boyfriend.”
Atsuko 3 to attend college in California. When she arrived,however,she found it was not her 4 world. “People had difficulty in doing something and often seemed uneasy,” she said. “I felt very alone.”
One of her hardest 5 was physical education. “We played volleyball,”she said. “The other students were good at it,but I wasn’t.”
One afternoon,the instructor asked Atsuko to 6 the ball to her teammates so they could knock it 7 the net. No problem for most people,but it frightened Atsuko. She was afraid of losing face 8 she failed.
A young man on her team realised what she was going through. “He walked up to me and said, ‘Come on. You can do that.’ ”
“You will never understand how those words of 9 made me feel... Four words:You can do that.I felt like crying with happiness.”
She made it through the class. Perhaps she thanked the young man;she is not 10 .
Six years has passed. Atsuko is back in her country,working as a salesclerk. “I have never forgotten the words,” she said. “When things are not going so well, I think of them.”
She is sure the young man had no idea how much his kindness 11 to her. “He probably doesn’t even remember it,” she said. That may be the lesson. Whenever you say something to a person — cruel or kind — you have no idea how long the words will 12 . She’s all the way over in Japan, but still she hears those four simple words: You can do that.
( )1. A. way B. life C. education D. spirit
( )2. A. photo B. painting C. picture D. drawing
( )3. A. managed B. hoped C. liked D. accepted
( )4. A. described B. imagined C. created D. discovered
( )5. A. times B. questions C. classes D. projects
( )6. A. kick B. pass C. carry D. hit
( )7. A. through B. into C. over D. past
( )8. A. before B. if C. because D. until
( )9. A. suggestion B. excitement C. sadness D. encouragement
( )10. A. interested B. doubtful C. worried D. sure
( )11. A. meant B. took C. seemed D. happened
( )12. A. continue B. stay C. get D. leave
(V)
It seemed that all the seniors(高年级学生)at Hillside School really wanted to
leave and move on to high school--- everyone except Neil. Neil had no real idea of high school except from the look of the 1 and the fact that there seemed to be thousands of kids---big kids. Neil also didn’t find 2 easy and had to read and re-read things many times before he 3 what was written on the page. One of the teachers at Hillside had sent him to a special teacher for 4 so that he wouldn’t find school so 5 . It didn’t make much difference. The 6 still kept moving about the page.
And at lunchtime, when the other kids 7 the exciting things they hoped to do next year at high school, Neil felt left out. He only thought of the hard work and the 8 . He’d heard about the long compositions he would have to write at high school and the thick books to read, and he knew he’d 9 again.
Neil shut himself off from the conversations, 10 someone mentioned hammers and nails(锤子钉子). “Something that didn’t involve(涉及)reading!” he said to himself. “Maybe high school wasn’t all that bad.”
He started listening more 11 to the excited conversation going on among the kids in his class. Every one of them seemed to be looking forward to moving on. To Neil, it was still the great 12 , and hard to understand. But, something deep down told him that high school wouldn’t be so bad, so trying his best would certainly be a good start.
( )1. A. hotels B. museums C. buildings D. gardens
( )2. A. shopping B. learning C. teaching D. driving
( )3. A. agreed B. thought C. hoped D. understood
( )4. A. help B. food C. money D. work
( )5. A. small B. clean C. difficult D. bright
( )6. A. words B. books C. teachers D. kids
( )7. A. discovered B. enjoyed C. imagined D. discussed
( )8. A. playing B. reading C. speaking D. listening
( )9. A. do B. fail C. start D. forget
( )10. A. because B. if C. until D. unless
( )11. A. quickly B. carefully C. politely D. silently
( )12. A. importance B. chance C. encouragement D. unknown
(VI)
The train shook back and forth, its wheels making a loud noise. Outside the window the freezing cold of winter ruled. The train was filled with cold, tired passengers.
Suddenly a little boy __1__ his way through the grown-up’s legs and sat down by the window. He was all alone among the unfriendly grown-ups. What a brave child, I thought. His father __2__ to stay by the door behind us. The train began to move slowly into a tunnel. Then something very __3_ happened suddenly. The serious little boy slid(滑) down from the seat and leaned (斜靠) his hand on my knee. For a moment, I thought that he wanted to __4__ me and returned to his father, so I helped him to stand up. But instead he leaned forward and held his head __5__ towards mine. He wanted to say something to me, I thought. I lowered my head to receive the __6__. Wrong again! What I received was a loud kiss on the face.
The boy quietly returned to his seat, leaned back and continued looking out of the window. I was so surprised. What just happened? A child kissed an __7__ grown-up on the train. How could anybody want to kiss such a man that had so much beard( 胡子)?Nervous and a little surprised, we smiled at the father. __8__ he saw our questioning looks as he got ready for his stop, he offered a clue ( some information).
“He’s so happy to be alive,” the father said, “ He has been very sick.” Father and son __9__ into the crowd moving toward the exit. Then doors closed and the train went on. On my face I could still __10__ the child’s kiss – a kiss that has started some soul-search (深思) inside me. How many grown-ups go around kissing each other __11__ the joy of being alive? How many even give much thought to the special right of __12__?
The little kisser has taught us a sweet but serious lesson – You don’t let yourself die before your heart stops!
( )1. A. lost B. moved C. fought D. pushed
( )2. A. preferred B. chose C. agreed D. hoped
( )3. A. interesting B. strange C. funny D. exciting
( )4. A. kiss B. beat C. pass D. ask
( )5. A. up B. on C. back D. out
( )6. A. news B. idea C. message D. thought
( )7. A. unsafe B. unimportant C. unfamiliar D. unfriendly
( )8. A. Before B. When C. Unless D. Since
( )9. A. disappeared B. ran C. looked D. came
( )10. A. touch B. smell C. have D. feel
( )11. A. in B. about C. for D. after
( )12. A. hope B. kiss C. death D. life
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教学设计是课堂流程的表现,优秀的设计将对教学效果有绝大的提升。下面是由读文网小编带来的高一化学必修2元素周期律教学设计,希望对你有所帮助。
教材分析:
物质结构和元素周期律是化学的重要理论知识,也是中学化学教学的重要内容。通过学习这部分知识,可以使学生对所学元素化合物等知识进行综合、归纳,从理论进一步加深理解。同时,作为理论指导,也为学生继续学习化学打下基础。这部分知识既是化学必修2的内容,也是选修化学的基础。本章内容虽然是理论性知识,但教材结合元素化合物知识和化学史实来引入和解释,使理论知识与元素化合物知识相互融合,以利于学生理解和掌握。
学情分析:
在初中化学的基础上,学生对电子层的概念已经有了不同程度的认识和理解,再进一步介绍原子核外电子排布。教材没有具体介绍原子核外电子排布的规律,而是直接给出了1~18号元素原子核外电子的排布,让学生从中发现一些简单规律,学生有能力自主完成次部分内容。学生能够比较熟练的绘制数学中的坐标系图像,本节课讲数学思想融入进来,更加直观和形象。对于原子半径的查找作为课下小组探究的内容,增加学生小组合作意识,课堂上学生愿意代表小组成员展示,符合高一学生的心理要求。
高一学生的大脑里的知识结构仍比较简单,同化新概念的能力不强,这就要求教师努力调动学生已有的知识,调整学生头脑中的认知结构,帮助学生加强新旧概念间的联系,同化理解新概念。
教学目标:
知识与技能:掌握原子核外电子排布规律;元素的原子半径、化合价随原子序数的递增而呈现出的周期性变化规律;微粒半径及大小的比较。
过程与方法:1、归纳法、比较法。 2、培养学生抽象思维能力。
情感、态度与价值观:培养学生勤于思考、勇于探究的科学品质。
教学重点:元素化合价随原子序数的递增而变化的规律,微粒半径及大小的比较。
教学难点:元素周期律的探索与发现过程。
教学策略和方法:本课在设计上主要以发现教学方式进行,以学生的自主发现探究为主,利用教材提供的数据,指导学生进行理论探究,同时在教学过程中,辅助以讲授法,发现法,读书指导法,任务驱动法等教学方法,调动学生积极性,形成“全员参与,学生为本”的课堂氛围,最大程度的利用各方资源为课堂教学服务。
课堂类型:新授课
教学手段:多媒体、学案辅助教学
教学设计理念:
化学概念是将化学现象、化学事实经过比较、综合、分析、归纳、类比等方法抽象出来的理性知识,它是已经剥离了现象的一种更高级的思维形态,反映着化学现象及事实的本质,是化学学科知识体系的基础。因此化学概念学习与教学的理论研究受到广泛的重视,注重教学的阶段性就是要根据学生的特点,依据课程标准的要求,掌握好知识处理的分寸,准确把握知识的深广度,在不同阶段给学生提出不同的要求。教学中不能不顾学生实际能力,过分追求科学性和完整性,将概念随意扩展和深化。
对原子最外层电子数,元素化合价变化规律,以学生动手绘图为主,引导学生将表格数据转化为图像,实现学生的自主探究学习。这样的设计,一方面可以锻炼学生数形转化能力,也会使学生对知识有更深入的理解,另一方面利用图像的直观性,也能大大降低学生对规律性的理解难度,实现课堂的高效开展。
教学过程设计:
【课前布置】各小组查找1—18号元素的原子半径,并绘制直观图像,尝试得出粒子半径大小的比较方法。
【图片展示】美丽的螺壳是大自然的鬼斧神工造就的,一圈圈的螺纹不仅是自身漂亮的外衣,还揭示了大自然中万事万物的发展规律。这种图案引领着人们去思考、去发现。元素周期律是螺纹模式的直接体现者,让我们带着螺纹的美丽来探寻元素的变化规律吧!
【过渡】俗话说:物以类聚人以群分,那么元素呢?1869年,俄国化学家门捷列夫将已发现元素按照原子量大小进行排列-----发现“每隔七种元素,便有一种元素的性质与这种元素相似”------提出“某元素及其化合物的形态和性质,与元素的原子量数值呈周期性的关系”,制出了第一张元素周期表。人们根据化学的和谐与统一、对称与守恒绘制了多种形形色色的周期表,下面带大家一起来欣赏。
【温故知新】(回忆、思考)元素的原子是由哪些基本微粒组成的?
【图片展示】电子层模型示意图,请同学们认真观察这个示意图,它表示了什么样的含义?
【学生回答】是一种层状结构,中间有一个核,各层的颜色不一样,层与层之间的距离不一样……)
【老师讲述】 同学们的观察比较仔细、全面,在含有多个电子的原子里,各个电子的能量是不同的,因此它们的运动区域也不同,我们把不同的区域的运动,称作电子层。就好像示意图中一层一层的,层与层之间是不连续的。用n表示电子层,=1,2,3,4,,5,6,7,或者用字母K、L、M、N、O、P、Q表示。
【追问】请同学们仔细看书,体会,思考,电子在各层能量高低顺序是什么?与离核远近有什么关系?并结合已经学习的碱金属和卤素及学案中零族元素的核外电子排布,努力找出排布规律。
【课堂研讨】一、原子核外电子的排布
(自学、总结) 阅读教材P13什么是电子层?从内到外用字母表示分别是什么层?
层序数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
电子层符号 | |||||||
离核远近 | |||||||
能量 |
阅读教材及下表,总结原子核外电子的排布规律:
元素名称 | 元素符号 | 各电子层的电子数 | ||||||
K | L | M | N | O | P | |||
2 | 氦 | He | 2 | |||||
10 | 氖 | Ne | 2 | 8 | ||||
18 | 氩 | Ar | 2 | 8 | 8 | |||
36 | 氪 | Kr | 2 | 8 | 18 | 8 | ||
54 | 氙 | Xe | 2 | 8 | 18 | 18 | 8 | |
86 | 氡 | Rn | 2 | 8 | 18 | 32 | 18 | 8 |
①各电子层最多容纳 个电子;(n为电子层数)
②最外层最多能容纳的电子数目为 (K层为最外层,不超过 个电子),次外层电子数目不超过 ,倒数第三层不超过 个电子;
③核外电子总是尽先排布在能量 的电子层,然后由里向外,依次排布在能量逐步 的电子层。注意:这几条规律是相互联系的,不能孤立理解,必须同时遵循这几条规律。
【体验】
①按照上述电子排布的一般规律,画出9号氟元素、19号钾元素、53号溴元素的原子结构示意图?
②现有A、B两种原子,A原子的M层比B原子的M层少3个电子,B原子的L层电子数恰为A原子L层电子数的2倍,据此分别写出A、B两种原子的名称 。
【过渡】已经了解了核外电子排布的基本规律,那么元素的性质与核外电子排布有什么联系呢?咱继续探讨。
【课堂研讨】二、元素周期律
【动手绘制】以1—18号元素为例,最外层电子数与原子序数的关系。
【学生发现】1→2号元素,1层电子,电子数1→2,达到稳定结构;
3→10号元素,2层电子,最外层电子数1→8,达到稳定结构;
11→18号元素,3层电子,最外层电子数1→8,达到稳定结构;……
每隔一定数目的元素,会重复出现原子最外层电子数从1→8个的情况:随着原子序数的递增,元素最外层电子数呈现周期性变化。
【老师小结】每隔一定数目的元素,会重复出现原子最外层电子数从1→8个的情况:随着原子序数的递增,元素最外层电子数呈现周期性变化。这种规律是经过一定数目的元素种类之后,重复出现的,可以把它们称作“周期性”变化的规律。就好像我们常用“星期”来记时间一样,每7天为一个周期,对元素而言,就是随着原子序数的递增,每隔一定数目的原子最外层电子数出现周期性变化的规律。
【追问】元素的原子半径和化合价是否也随着原子序数的递增呈现周期性变化呢?
【小组展示】成果展示,小组汇报。
【学生发现】
1、以稀有气体为界,3→9号元素原子半径依次减小;11→17号元素半径依次减小。
2、稀有气体原子的半径貌似比较特殊,会突增。
3、原子半径变化呈现出周期性变化。
【体验】你能比较出具有相同核外电子排布的离子半径的大小吗?如:O2-、F-、Na+、Mg2+;再如:S2-、Cl-、K+、Ca2+。你能比较出同主族元素离子半径的大小吗?依据是什么?
【提升】粒子半径大小的比较方法。
【图片展示】以1—18号元素为例,元素的化合价与原子序数的关系。
【学生发现】
11→17号元素极大程度上重复着3→9号元素所表现出来的变化规律,如果继续研究18号以后的元素,也会发现如此相同的变化规律。
【动手绘制】以1—18号元素为例,元素的化合价呈现出周期性。
【小结】各主族元素的主要化合价、各元 素的最高正价与它们的原子 结构、最低负价的关系。
元素主要化合价由 决定。
主族元素最高正价=元素原子的 =主族
最高正价+︳最低负价︳=(除 外)
【课堂小结】
原子序数 | 电子层数 | 最外层电子数 | 原子半径的变化 (不考虑稀有气体元素) | 最高或最低化合价变化 |
1-2 | 1 | 1 | ------ | +1 |
3-10 | ||||
11-18 | ||||
结论 | 随着原子序数的递增,原子的最外层电子数、原子半径、元素的化合价呈现 |
准确理解周期性,指每隔一定的数目或时间重复出现的某种变化,这种重复不是简单机械的重复,而是在变化中重复,在重复中变化。在自然界中周期性变化是一种普遍的变化规律,如日夜交替、四季循环、日落日升、潮涨潮落等等。
元素的原子半径、主要化合价等性质,都是由核外电子排布(包括电子层数和最外层电子数)的周期性变化引起的,所以元素性质的周期性变化是原子核外电子排布周期性变化的必然结果。
【课堂延伸】除了上述方面外,元素的金属性和非金属性是否也随原子序数的变化呈现周期性。
【板书】第二节 元素周期律
一、原子核外电子的排布
1.电子层:不同的能量区域
2.核外电子排布的规律
(1)分层排布
(2)按能量由低到高排布
(3)其他规律
二、元素周期律
1.电子层排布的周期性变化
2.原子半径的周期性变化
(1)同周期:从左到右,原子半径递减(稀有气体除外)
(2)同主族:从上到下,原子半径递增
3.化合价的周期性变化
(1)正价:+1 +7
(2)负价:-4 -1
教学反思:
元素周期律一节理论性强,知识间存在紧密的内在联系,教材为本节的教学提供了大量的数据作为辅助素材。为更好的整合资源,提高教学效率,本课在设计上主要以发现教学方式进行,以学生的自主发现探究为主采用设问引导,使学生通过对表格数据的分析,探究核外电子的排布规律。
教材提供1-20号元素核外电子的分层排布数据,需要学生根据表格数据找到核外电子的排布规律。表格数据系统而全面,是锻炼学生思维的良好素材。但是实际学习过程中,学生却可能因为缺少思考方向而不知所措,此时采用传统的讲授法既不能调动学生积极性,又容易使课堂沉闷,学生还可能对强加给自身的知识产生排斥心理,从而使教学效果大打折扣。为解决这个矛盾,我采取问题引导式和数学坐标系思想,有利于学生针对性的分析数据,锻炼学生的总结能力,但是略显耗时较多,若结合多媒体技术手段直接以图呈现,会更加直观、高效。
由于受技术条件限制,再学生绘图进行数据、图形传输时略显不流畅,在今后的教学中逐步找到更好的解决措施。
以上是读文网小编分享的高一化学必修2元素周期律教学设计,欢迎翻阅。
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语文六年级下册第12课为人民服务教学设计
《为人民服务》实际上讲了人活着为什么的问题,是进行正确的人生观教育的极好材料,那么六年级语文老师在设计教学时要怎么利用好这份教材呢?百文网小编在此整理了语文六年级下册第12课《为人民服务》教学设计,供大家参阅,希望大家在阅读过程中有所收获!
一、素质教育目标
(一)知识教学点
1.生字:迁、鸿、鼎、铭。
2.新词:鸿毛、泰山、寄托、哀思、追悼会、精兵简政、五湖四海。
3.理解重点句、段:
(1)我们这个队伍完全是为着解放人民的,是彻底地为人民的利益工作的。
(2)人固有一死,或重于泰山,或轻于鸿毛。
(3)我们都是来自五湖四海,为了一个共同的革命目标,走到一起来了。
(4)因为我们是为人民服务的,所以我们如果有缺点,就不怕别人批评指出。不管是什么人,谁向我们指出都行。只要你说得对,我们就改正。你说的办法对人民有好处,我们就照你的办。
(二)能力训练点
1.概括课文的中心思想,体会作者阐述问题的思路。
2.熟读课文,背诵第三、四自然段。
(三)德育渗透点
通过本课学习,使学生受到革命人生观的启蒙教育,树立为人民服务的思想。
二、重点、难点及解决办法
(一)重点
1.理解课文中含义深刻的句子。
2.了解课文中论述的各个层次与全心全意为人民服务这个中心思想之间的关系。
通过重点词语的品析,同位讨论、集体交流,教师点拨来解决重点。
(二)难点
理解复杂句子之间的关系。
通过划出关联词,逐句分析,再总体思考围绕什么写的来理解句子之间的关系。
三、课时安排两课时
四、学生活动设计
(一)回答课中设计的问题,勾画重点词语。
(二)讨论发言,列举事例。
(三)归纳中心思想。
(四)朗读全文,背诵三、四自然段。
(五)质疑问难。
五、教学过程
第一课时
(一)明确目标
1.检查预习、质疑问难。
2.揭题引读、整体感知。
3.学习第一、二段。
(二)检查预习,质疑问难
1.指五名同学读全文,结合正音,检查对字词的理解情况。
注意读准字音:悼dào炊chuǐ受难nàn送葬zàng
迁qiān迁移。
鸿hóng鸿雁。鸿毛,鸿雁的毛。比喻事物轻微或不足道。通过谜语记字形:一只鸟落在江边。(鸿)
鼎dìng(①三足两耳器物②正当;正在)鼎盛。鼎共有12划,第六划是。
铭míng警示、鞭策自己的文字:座右铭。
死得其所:所,处所。形容死得有意义,有价值。
五湖四海:泛指全国各地。
精兵简政:缩小机构,精简人员。
人固有一死,或重于泰山,或轻于鸿毛。“固”,必。“或”,有的人。“于”,表示比较。
追悼:怀念死者,表示哀悼。
哀思:悲哀思念的感情。
2.指名读全文,把你觉得含义深刻的语句划下来,再读给大家听。
3.质疑问难。
(三)揭题引读,整体感知
1.齐读课题。解释“服务”:为集体(或别人的)利益或为某种事业而工作。为人民服务即为了广大的人民群众而工作。
本文是以什么命题?(中心命题)
2.毛主席在什么时间、地点、场合发表的这篇演说?(结合预习提示回答。)
3.教师简介张思德同志生平事迹。(学生可看书中插图。)
(张思德同志是中共中央警卫团的战士,16岁参加革命,经过长征,负过伤,一直勤勤恳恳为人民服务,直到在烧炭时因炭窑崩塌而牺牲。他虽然只活了28岁,但他短暂的一生是完全、彻底地为人民服务的一生,他的死比泰山还要重。)
4.围绕为人民服务这个中心,每段向我们讲了什么问题。(学生可简要回答。)
(四)教师点拨,突破重、难点
1.学习第一段。
从这段话中找出与中心联系最密切的一句话,并勾画出重点词语。
(第二句与中心联系最密切,讲的是我们党及其领导的军队的根本宗旨就是完全、彻底为人民服务。重点词语有“完全”、“彻底”。“完全”就是百分之百,除了为人民服务而外,再没有任何别的目的。“彻底”就是做到底的意思,不达目的决不休止。要坚持为人民服务,并且做到“完全”、“彻底”。只有这样做,才称得上是名副其实的革命者,一个人活着才有意义。)
2.学习第二段。
(1)朗读课文,划出中心句。(人总是要死的,但死的意义有不同。)
(2)作者是怎样围绕中心句进行论述的?
(先引用司马迁的话做论据,再具体讲什么样人的死毫无意义,什么样的人死得有价值。最后肯定张思德的死比泰山还要重。)
(3)你怎样理解司马迁的话?(“人固有一死,或重于泰山,或轻于鸿毛”这句话的意思是人总是要死的,有的人的死比泰山还重,有的人的死比鸿毛还轻。)
(4)从生活中找出为人民利益而死的例子来谈一谈。(例如江姐、董存瑞、雷锋等英雄人物。)
(5)小结:这一段是讲革命者对生死的看法人要死得有意义、有价值,揭示了革命的人生观。
(五)布置作业
1.熟读课文。
2.抄写课后“读读写写”。
第二课时
(一)明确目标
1.学习第3、4、5段。
2.熟读课文,背诵3、4段。
3.总结、扩展。
(二)教师点拨,突破重、难点
1.学习第3段。
(1)指名读第三段。这段是围绕哪句话论述的?识要我们为人民的利益坚持好的,为人民的利益改正错的,我们这个队伍就一定会兴旺起来。)
(2)是怎样围绕这句话论述的?
(通过举例和逻辑严密的一组复句加以论述。指名分别读出这两部分。)
(3)出示投影。
上面这段话共有几句?每句说的是什么?句与句是怎样连起来的?
①先说出这段话中的关联词,并在书上点上着重号。[因为……所以(因果)如果……就(假设)只要……就(条件)]
②每句说的是什么?
第一句讲有了缺点就不怕别人批评。
第二句讲不管是什么人,谁向我们指出都行。
第三句讲凡是符合“说得对”、“对人民有好处”这个条件,不管是谁的批评和意见,我们都要改正,都要照办。
这段话一句紧扣一句,层层递进联系非常紧密。先讲不怕批评再讲不讲究批评的对象和方式方法。衡量是与非的标准只有一个,就是是否符合人民的利益。
(4)通过这段学习谈一下我们党为什么日益壮大,从而成为执政党。
2.学习第4段。
(1)指名读第四段。“共同的革命目标”是什么?(解放全民族,完全、彻底为人民服务)
(2)为实现这一革命目标应该怎样做?
(“不怕困难”,“不怕牺牲”,“互相爱护”并分别把这三部分内容读出来。)
(3)默读这段,说说你读懂了什么?
第一层:我们都是来自五湖四海,为了一个革命目标走到一起来了,但要取得全民族的解放,还要团结更多的人。
第二层:讲怎样对待困难,要看到成绩、光明,要提高我们的勇气,不要灰心。
第三层:讲正确对待牺牲。一是为人民利益而牺牲是“死得其所”;二是要避免不必要的牺牲。
第四层:革命队伍的人要互相关心、爱护、帮助。
3.学习第五段。
(1)我们要为什么人开追悼会?(做过一些有益工作的)
(2)开追悼会的意义是什么?(寄托哀思,使整个人民团结起来。)
(三)总结、扩展
1.朗读全文。
2.文章的中心是什么?这个中心是怎样一层一层表达出来的?
(文章的中心是为人民服务。全文围绕这个中心,依次讲了完全、彻底为人民服务是我们的宗旨;为人民利益而死比泰山还重;正确对待批评,为人民的利益坚持好的、改正错的;正确对待困难、对待同志,为人民的利益团结互助;悼念为人民而死的人,以团结全体人民等五方面的问题,思路十分清楚。这五个问题都是以为人民服务为标准,从不同侧面说明怎样才能做到完全彻底为人民服务。)
3.联系实际谈体会。
(不仅联系过去的,还要联系现在的。例如现实生活中的徐虎、李素丽等英雄模范都是“完全”、“彻底”地为人民服务的榜样,可以让学生具体说说他们的先进事迹。)
(四)指导背诵三、四自然段
六、作业布置
1.看拼音写词语。
2.读句子,先理解带点的词语,再说说句子的意思。
(1)我们这个队伍完全是为着解放人民的,是彻底地为人民的利益工作的。
(2)人固有一死,或重于泰山,或轻于鸿毛。
(3)我们都是来自五湖四海,为了一个共同的革命目标,走到一起来了。
3.勾画本课中你喜欢的警句,在理解的基础上熟读背会。
七、板书设计
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