为您找到与九年级物理期末考试重点相关的共200个结果:
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加强重点知识点记忆,会让你的成绩得到提升。下面是读文网小编收集整理九年级物理重点知识以供大家学习!
电磁继电器是具有隔离功能的自动开关元件,当满足一定的条件时候,如电流、电压、功率、温度、压力、速度、光等就会改变原来的“通”“断”状态。可能你还不知道,电磁继电器目前已经广泛应用于家用产品,如汽车、空调器、彩电、冰箱、洗衣机等;也应用于遥控、遥测、通讯、自动控制、机电一体化及电力电子设备中。
汽车工业正在越来越广泛地使用继电器。比较常见的继电器有:启动电动机的启动继电器、喇叭继电器、电动机或发电机断路继电器、充电电压和电流调节继电器、转变信号闪光继电器、灯光亮度控制继电器以及空调控制继电器、推拉门自动开闭控制继电器、玻璃窗升降控制继电器等。
我们知道冰箱中的压缩机是间歇工作的。在压缩机启动时,需要主线圈和辅助启动的启动线圈同时有电流,压缩机转动起来之后,启动线圈就不需要工作了。完成启动线圈有无电流转换的就靠启动继电器(又称PTC启动继电器)。PTC是一种半导体晶体材料,在环境温度100℃以下,不带电的情况下,呈低电阻(约22Ω),通电后元件温度瞬间急剧上升,电阻增大,使启动线圈断路。压缩机就只靠主线圈的电流运行。压缩机运行过程中过载和过热都会导致烧毁电动机,为此冰箱中设有过载保护继电器,该保护器串联在压缩机的主线圈中,当电路因电流过大时,与之相连的电阻丝会发热,使相邻双金属片受热变形,向上弯曲断开电路,从而保护压缩机不被烧毁。由于保护器紧压在压缩机外壳上,所以双金属片又能感受机壳温度,若压缩机工作不正常,机壳温度过高,双金属片也会受热弯曲断开电路,因此该保护器有双重作用。在冰箱的冷藏室、冷冻室、冷藏室的背部各放一感温探头来感受冷藏室、冷冻室、冷藏室背部的温度,电脑控制器将这些温度与按键输入的温度值进行运算比较,通过控制压缩机和电磁阀的开停、通断分别控制冷藏室、冷冻室的温度以及冷藏室的化霜。
除了传统的继电器之外,继电器的技术还应用在其他的方面,比如说电机智能保护器是根据交流电动机的工作原理,分析导致电动机损坏的主要原因研制的,它是一种设计独特,工作可靠的多功能保护器,在故障出现时,能及时切断电源,便于实现电机的检修与维护,该产品具有缺相保护,短路、过载保护功能,适用于各类交流电动机,开关柜,配电箱等电器设备的安全保护和限电控制,是各类电器设备设计安装的优选配套产品。
继电器技术发展到现在,已经和计算机技术结合起来,产生了可编程控制器的技术。可编程控制器简称作PLC.它是将微电脑技术直接用于自动控制的先进装置。它具有可靠性高,抗干扰性强,功能齐全,体积小,灵活可扩,软件直接、简单,维护方便,外形美观等优点。以往继电器控制的电梯有几百个触点控制电梯的运行,有一个触点接触不良,就会引起故障,维修也相当麻烦,而PLC控制器内部有几百个固态继电器,几十个定时器、计数器,具备停电记忆功能,输入输出采用光电隔离,控制系统故障率仅为继电器控制方式的10%.正因为如此,国家有关部门已明文规定从97年起新产电梯不得使用继电器控制电梯,改用PLC微电脑控制电梯。
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广东2023-2024第一学期期末考试九年级语文试题word
九年级期中考试对于学生来说具有重要的意义,不仅是对自己前一阶段学习的检测和评估,也是对未来学习的指导和规划。以下是小编为大家收集的关于广东2023-2024第一学期期末考试九年级语文试题的相关内容,供大家参考!
“减负”,不是单纯减少一次两次考试。教育制度不作根本的改革,单单是喊一声口号,发一次号召,只是在作秀。而教育制度的改革也绝对不是几年时间内能靠几个学校或是几个城市就可以完成的。从我的切身体验来说,减负是一年年喊,教材却是一年比一年难。翻翻孩子们的课本吧,往年初中的教学内容下放到小学五六年级,往年三四年级的内容则在一二年级开始学习。“负”怎会减少?
很多城市早在若干年前,就“取消”了所谓的期中考试,但代替它的,是每月一次或每学期两次的“月检测”。之所以如此,正是检测手段必要性的体现,考试毕竟是当前时代背景下检验知识、了解差距的必要手段。
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广东2023-2024上学期期末考试九年级语文试题(文字版)
九年级期中考试对于学生来说具有重要的意义,不仅是对自己前一阶段学习的检测和评估,也是对未来学习的指导和规划。以下是小编为大家收集的关于广东2023-2024上学期期末考试九年级语文试题的相关内容,供大家参考!
九年级人教版语文需要背诵的内容:《陈涉世家》、《唐雎不辱使命》、《隆中对》、《出师表》、《望江南》、《渔家傲·秋思》、《江城子·密州出猎》、《武陵春》、《破阵子》、《观刈麦》、《月夜》、《商山早行》、《卜算子 咏梅 》[陆游]。
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人教版九年级物理全一册(高清)电子课本
为了预习课本能够帮助大家更好的理清九年级物理知识脉络,养成良好的物理学习习惯,培养学科思维,下面小编为大家带来人教版九年级物理全一册电子课本,希望对您有所帮助!
第一节 分子热运动
1. 扩散现象
? 定义:不同物质在相互接触时,彼此进入对方的现象。
? 扩散现象说明:① 分子之间有间隙;② 分子在不停地做无规则的运动。
? 在课本图13.1-2中,二氧化氮被放在下面的目的:防止二氧化氮扩散被误认为是重力作用的结果。
? 固体、液体、气体都可以发生扩散现象,扩散速度与温度有关。
? 分子运动与物体运动要区分开:扩散、蒸发等是分子运动的结果,是从微观领域看。而灰尘飞扬、液体对流、气体对流是物体运动的结果。是从宏观领域看。
2. 分子的热运动:一切物质的分子都在不停地做无规则运动。
3. 温度越高,热运动越剧烈。
4. 分子间的作用力
? 分子间的作用力包括分子间的引力和斥力。
? 当分子间的距离d=分子间平衡距离r,引力=斥力。
? d<r时,引力<斥力,斥力起主要作用。< p="">
? 固体和液体很难被压缩是因为:分子之间存在斥力。
? d>r时,引力>斥力,引力起主要作用。
? 固体很难被拉断、钢笔能写字、胶水能粘东西都是因为:分子之间存在引力。
? 当d>10r时,分子之间作用力十分微弱,可忽略不计。
? 破镜不能重圆的原因是:镜块间的距离远大于分子之间的作用力的作用范围,分子间几乎没有作用力。
第二节 内能
1. 定义:物体内部所有分子热运动的动能与分子势能的总和,叫做物体的内能。
2. 任何物体在任何情况下都有内能。
3. 内能的单位为焦耳。
4. 影响物体内能大小的因素
? 温度:在物体的质量、材料、状态相同时,物体的温度越高,物体内能越大。
? 质量:在物体的温度、材料、状态相同时,物体的质量越大,物体的内能越大。
? 材料:在温度、质量和状态相同时,物体的材料不同,物体的内能可能不同。
? 存在状态:在物体的温度、材料质量相同时,物体存在的状态不同时,物体的内能也可能不同。
5. 内能与机械能不同
? 机械能是宏观的,是物体作为一个整体运动所具有的能量,它的大小与机械运动有关。
? 内能是微观的,是物体内部所有分子做无规则运动的动能和分子势能的总和。内能大小与分子做无规则运动快慢及分子作用有关。这种无规则运动是分子在物体内的运动,而不是物体的整体运动。
6. 内能改变的外部表现
? 物体温度升高,说明物体内能增大;物体温度降低,说明物体内能减小。
? 内能改变,温度不一定变化。温度变化,内能一定改变。
? 晶体熔化、凝固、沸腾过程中,物体的内能发生了改变,但是温度不变。
7. 改变物体内能的方法:做功和热传递。
8. 做功:
? 做功可以改变内能:对物体做功物体内能会增加。物体对外做功物体内能会减少。
? 做功改变内能的实质:内能和其他形式的能的相互转化。
? 如果仅通过做功改变内能,可以用做功多少度量内能的改变大小。
? 如课本图13.2-5甲,引火仪内的棉花燃烧起来,因为:活塞压缩空气做功,使空气内能增加,温度升高,达到棉花着火点,使棉花燃烧。
? 如课本图13.2-5乙,瓶塞跳出时容器内出现白雾,因为:瓶内空气推动瓶塞对瓶塞做功,内能减小,温度降低,使水蒸气液化凝成小水滴。
9. 热传递:
? 定义:热传递是热量从高温物体向低温物体或从同一物体的高温部分向低温部分传递的现象。
? 热传递传递的是内能(热量),不是温度,温度变化只是热传递的一个表现。
? 实质:内能的转移
? 热量:在热传递过程中,传递内能的多少叫做热量。热量的单位是焦耳。
? 热量是变化量,只能说“吸收热量”或“放出热量”,不能说“具有热量”。“传递温度”的说法也是错的。
? 条件:存在温度差。如果没有温度差,就不会发生热传递。
? 如右图,烧杯中的水不沸腾,因为没有温度差。
? 热传递过程中,物体吸热,温度升高,内能增加;物体放热,温度降低,内能减少。
10. 做功与热传递的异同
? 相同点:由于它们在改变内能上的效果相同,所以做功和热传递改变物体内能上是等效的。
? 不同点:做功时能量的形式发生了变化,热传递时能量的形式不变。
11. 温度、热量、内能的区别
? 温度表示物体的冷热程度。温度升高,内能一定增加,但不一定吸收热量。
? 热量是在热传递过程中的变化量。吸收热量,温度不一定升高,内能也不一定增加。
? 内能是一个状态量。内能增加,温度不一定升高,也不一定吸收热量。
? “热”可以指热量、温度和内能,具体含义要根据实际情况而定。
12. 内能的利用方式
? 利用内能来加热:从能的角度看,这是内能的转移过程。
? 利用内能来做功:从能的角度看,这是内能转化为机械能。
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沪科技粤教版九年级上册物理电子课本图片版
作为自然科学的带头学科,物理学研究大至宇宙,小至基本粒子等一切物质最基本的运动形式和规律,那么九年级上册物理怎么学习呢?以下是小编准备的一些沪科技粤教版九年级上册物理电子课本,仅供参考。
1电磁铁主要由通电螺线管和铁芯构成。在有电流通过时有磁性,没有电流通过时就失去磁性。
2影响电磁铁磁性强弱的因素。
电磁铁的磁性有无可以可以通过电流的有无来控制,而电磁铁的磁性强弱与电流大小和线圈匝数有关。
3电磁铁的应用
此外还有磁悬浮列车,扬声器(电讯号转化为声讯号),水位自动报警器,温度自动报警器,电铃,起重机。
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人教版九年级物理全一册电子课本教材下载
预习九年级上册课本能够帮助大家更好的理清九年级全一册物理知识脉络,那么人教版九年级上册物理怎么学习呢?以下是小编准备的一些人教版九年级物理全一册电子课本,仅供参考。
一、填空题
1.小雯将几滴红墨水加入一杯水中,观察到整杯水慢慢变红.这种现象说明分子在做永不停息的;分别在冷水杯和热水杯中滴一滴墨水,热水中的墨水扩散快,说明分子无规则运动的快慢与有关.
2.目前利用地热的主要方法是地热发电和地热供暖。若有85℃的地热水,质量为400t,经过散热器放热后的水温为35℃,则这些地热水放出了________J的热量.[c地热水=4.2×103J/(kg?℃)]
3.如图甲所示,炒菜时,燃料燃烧,将化学能转化为_______能;如图乙所示,在海边海滩,我们经常发现,沙子滚烫,而海水依旧冰爽,这主要是因为海水的__________比沙子大,在同样受热或冷却时,温度变化(选填“大”或“小”)的缘故.
4.机床上刚刚加工下来的铝件温度都很高,这是因为(选填“”做功或“热传递”)使铝件的内能增加了.已知某铝件加工之前的温度是25℃,加工之后的温度是100℃,如果要让加工后的质量为2kg的铝件[C铝=0.88×103J/(kg?℃)]温度冷却到加工前的温度,则该铝件需要放出J的热量.
5.多年来,洛阳市政府投入了大量资金,种植花草树木,提高绿地履盖率,修建人工湖,扩大水域面积,大大改善了市民的居住环境,让全市人民享受到了“绿城”带来的实惠.请你运用所学的物理知识,分析说明绿化城市、修建人工湖对改善居住环境所带来的好处(至少两点:;.
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沪科技版九年级全一册物理电子课本下载
物理学是研究物质运动最一般规律和物质基本结构的学科。那么关于九年级上册物理怎么学习呢?以下是小编准备的一些沪科技版九年级全一册物理电子课本,仅供参考。
一、 选择题(每题只有一个正确答案,请把答案填在括号内)
1、下列现象中 ,说明分子不停地做无规则运动的是()
A. 糖块放入水中,水变甜了 B. 洒水车将水喷洒在地面上
C. 扫地时,在阳光下看到灰尘在空中飞舞 D.沙粒放入水中,水变浑浊了
2、通常把青菜腌成咸菜需要几天时间,而把青菜炒熟,使之具有咸味,仅需几分钟。造成这种差别的主要原因是 ( )
A.盐分子太小,很容易进入青菜中 B.盐分子间有相互作用的排斥力
C.青菜分子间有空隙,易扩散 D.炒菜时温度高,分子运动加快
3、压缩固体和液体很困难说明分子间()
A.分子之间存在着斥力 B.分子之间存在着引力
C.分子不停滴在做无规则的运动 D.固体、液体分子之间没有空隙
4、物质处于哪种状态决定于 ( ).
A.物质的温度 B.物体内分子无规则运动的剧烈程度
C.物质的分子结构 D.物质内部分子作用力的大小
5、下列关于物体内能的说法中正确的是( )
A.物体运动速度越大,内能越大 B.静止的物体没有动能,但有内能
C.内能和温度有关,所以0℃的水没有内能 D.温度高的物体一定比温度低的物体内能大
6、关于温度、内能、热量三者的关系,下列说法正确的是( )
A.物体吸收热量,温度一定升高 B.物体温度升高,一定是吸收了热量
C.物体温度不变,就没有吸热或放热 D.物体温度升高,内能增加
7、下列事例中,属于做功改变物体内能的是( )
A.在火上点燃火柴头,使火柴头温度升高 B.冬天人们围着火炉烤火身体感觉暖和
C.两手互相摩擦,手感觉暖和 D.在阳光照射下,水盆里的水温度升高
8、一把勺子的温度升高了( )
A.它一定吸收了热量 B.一定和其他物体发生了热传递
C.它的热量一定增加 D.它的内能一定增加
9.关于温度,热传递和热量,下列说法中正确的是( )
A.温度高的物体具有的热量多 B.热量总是从热量多的物体传递到热量少的物体
C.热量总是从温度高的物体传递给温度低的物体 D.温度低的物体含有的热量少
10、下列说法正确的是( ).
A.一杯煤油用去一半,它的比热容减为原来的二分之一 B.吸收热量多的物质,比热容一定大
C.高温物体放出热量一定多 D.质量相同的水和煤油,吸收了相同的热量,煤油升高的温度大于水升高的温度
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2023教科版九年级上册物理电子课本下载
物理学研究大至宇宙,小至基本粒子等一切物质最基本的运动形式和规律,那么关于九年级上册物理电子课本怎么预习呢?以下是小编准备的一些教科版九年级上册物理电子课本,仅供参考。
1.以下物理量是同学们进行估测的数据,你认为数据明显符合实际的是()
A.考场内一盏日光灯正常发光时的电流约为5A
B.家用电风扇的额定功率约为2000W
C.人的正常体温约为37℃
D.220V的电压对人体是安全的
2.下列说法中,错误的是()
A.用酒精来给高温病人降温,利用了酒精蒸发吸热
B.用水来冷却发动机,利用了水的比热容大
C.寒冷的冬天,人们呼出的“白气”是液化后的二氧化碳
D.冬天,搓手使手变暖和,是通过做功的方式来改变物体的内能
3.如图1所示的实例中,符合安全用电要求的是()
4.POS刷卡机的广泛应用给人们的生活带来了便利。POS机的刷卡位置有一个绕有线圈的小铁环制成的检测头(如图2甲所示)。在使用时,将带有磁条的信用卡在POS机指定位置刷一下,检测头的线圈中就会产生变化的电流,POS机便可读出磁条上的信息。图2乙中能反映POS刷卡机读出信息原理的是()
5.如图3所示,关于下列图像的说法中,正确的是()
A.图甲表示导体b的电阻小于导体a的电阻
B.图乙表示白炽灯钨丝的电阻随温度的变化关系
C.图丙表示电阻一定时,其实际电功率与电流平方的关系
D.图丁表示一定质量的水其比热容随温度的变化关系
6.某兴趣小组为了研究电子温控装置,将热敏电阻R1(热敏电阻的阻值随温度的升高而减小)、定值电阻R2以及电压表和电流表连入如图4所示电路,电源电压不变。闭合开关S,当温度升高时,下列说法正确的是()
A.电流表和电压表示数均变小
B.电压表V与电流表A示数之比变小
C.电流表示数变小,电压表示数变大
D.电路消耗的总功率变大
7.轿车的驾驶位和副驾驶位一般都设有安全带提醒电路,若汽车点火开关S未接通,电路不工作。S接通后,只要有人坐在其中一个座位上,座位下对应的动合开关S1或S2受压后接通,安全带指示灯点亮同时铃响(灯与铃工作互不影响),提醒他系上安全带后(即将安全带的插头插入连接插座内),安装在插座内对应的动断开关S1′或S2′断开,安全带指示灯熄灭同时铃不响,图5中的电路设计符合要求的是()
8.如图6所示,电源电压恒为6V不变,电压表的量程为0~3V,电流表的量程为0~0.6A。滑动变阻器的规格为“20ΩlA”,灯泡标有“5V2.5W”字样(不考虑灯丝电阻的变化)。若闭合开关,为了保证电路安全,在移动滑动变阻器滑片过程中,则下列说法中正确的是()
A.滑动变阻器的电阻调节范围是2~20Ω
B.电流表示数的变化范围是0.2A~0.5A
C.电路消耗的总功率的变化范围是1.2W~2.5W
D.灯泡消耗功率的变化范围是0.4W~0.9W
二、填空作图题(每空1分,共14分)
9.白炽灯用久了会发暗,其原因之一是钨丝先升华后_______(填物态变化名称)在灯泡内壁上,影响了玻璃的透光性;原因之二是灯丝变细,电阻变大,在电压不变时,实际功率_____(选填“变大”、“不变”或“变小”)。
10.完全燃烧0.3m3的天然气来加热水箱中的水,放出的热量是_____J;若放出热量的84%被水吸收,则可以将水箱中20kg,11℃的水加热到_____℃【天然气的热值为3.0×107J/m3,水的比热容c水=4.2×103J/(kg?℃),当时气压为一个标准大气压】。
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北师大版九年级全一册物理电子课本下载
预习课本能够帮助大家更好的理清知识脉络,那么关于九年级上册物理电子课本怎么学习呢?以下是小编准备的一些九年级物理电子课本,仅供参考。
教学目标:
1、知识和技能
了解电磁波的产生和传播。
知道光是电磁波,电磁波在真空的传播速度。
知道波长、频率和波速的关系。
2、过程和方法
通过演示了解电磁波的产生,电磁波在真空的传播。
重、难点:
电磁波的产生。
波长、频率和波速的关系。
教学器材:
电脑平台、收音机、电源、导线
教学课时:
1时
教学过程:
一、前提测评:
无
二、导学达标:
引入课题:电话的传播需要电话线,收音机、电视信号的传播没有导线,它们靠什么传播?……电磁波
进行新课:
1、电磁波的产生:
演示:课本80页试验
结果:产生了电磁波(为什么电流要时断时续)
结论:变化的电流产生电磁波
项目:振动源,波的形成
水波
声波
电磁波,木棍的上下振动
发声体的往复振动
导体中电流不断变化
2、电磁波的传播:
在很多介质中可以传播,在真空中也能传播;
在真空中的传播速度最大,用c表示:c=3×108m/s这是宇宙中最大的速度
①波长:用λ表示,单位是m
②频率:1秒钟变化的次数,用f表示,单位Hz
1MHz=1000kHz=1000000Hz
它们的关系:c=λf
3、电磁波的分类:
课本81页图示,分类的依据是频率或波长
光也是一种电磁波
阅读“科学世界”
录像……电磁波的海洋
3、达标练习:课本后83页“动手动脑学物理”
完成物理套餐中的本节内容。
小结:根据板书,总结本节内容,明确重、难点。
课后活动:
完成物理套餐中课堂未完成的内容。
课本后练习。
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苏科版九年级上册物理电子课本教材下载
物理学是研究物质世界最基本的结构、最普遍的相互作用、最一般的运动规律及所使用的实验手段和思维方法的自然科学,以下是小编准备的一些苏科版九年级上册物理电子课本,仅供参考。
一、选择题(每小题2分,共28分)
1、将掉在地上的一个苹果捡回到餐桌上的过程中,克服苹果重力所做的功大约是()
A.0.01JB.0.1JC.1JD.10J
2、南极是世界上最冷的地方,常年平均气温是–25℃.如图2所示,一天,企鹅妈妈和小企鹅之间发生了一次有趣的对话,它们的部分说法如下,其中正确得是()
A.小企鹅:妈妈,这么冷,我都没温度了
B.企鹅妈妈:不对,是没有内能
C.小企鹅:冰天雪地的,可能连水蒸气都没有吧
D.企鹅妈妈:呵呵,水蒸气倒肯定有,因为冰是可以升华的呀
3、如右图所示,小明分别用甲、乙两个滑轮把同一袋沙子从地面提到二楼,用甲滑轮所做的总功为W1,机械效率为η1;用乙滑轮所做的总功为W2,机械效率为η2。若不计绳重与摩擦,则()
A.W1=W2,η1=η2B.W1=W2,η1<η2
C.W1η2D.W1>W2,η1<η2
4、由,关于同一物质的比热容c,下列说法正确的是()
A.若吸收的热量增大一倍,则比热容增大一倍
B.若质量增大一倍,则比热容减至一半
C.若加热前后的温度差增大一倍,则比热容减至一半
D.无论质量多大,比热容都一样
5、如图所示,人的前臂可视为杠杆,当曲肘将茶杯向上举起时,下列说法正确的是()
A.前臂是省力杠杆,阻力臂变小B.前臂是省力杠杆,阻力臂变大
C.前臂是费力杠杆,阻力臂变大D.前臂是费力杠杆,阻力臂变小
6、如图的电子体温计通过流过半导体制成的感温头的电流来反映人的体温.这利用了半导体()
A良好的导电特性B良好的绝缘特性
C电阻随温度变化而变化的特性D电阻随光照变化而变化的特性
7、接入同一电路中的两只电阻,若一只电阻的阻值增大,其电路总电阻()
A.增大B.减小C.不变D.无法判定
8、滑动变阻器的铭牌上标有“50Ω1A”字样,下列说法正确的是()
A.该滑动变阻器电阻的变化范围是0~50Ω
B.该滑动变阻器只能接入50Ω的电阻
C.允许通过该滑动变阻器的最小电流是1A
D.允许通过该滑动变阻器的电流只能是1A
9、为保证司乘人员的安全,轿车上设有安全带未系提示系统。当乘客坐在座椅上时,座椅下的开关S1闭合,若未系安全带,则开关S2断开,仪表盘上的指示灯亮起;若系上安全带,则开关S2闭合,指示灯熄灭。下列设计最合理的电路图是()
10、小青在探究“怎样用变阻器改变灯泡的亮度”时,连接的电路如图12所示。闭合开关后,灯泡不亮,她用电压表进行电路故障检测,测试结果如右表所示,则电路中的故障可能是()
A、开关断路B、开关短路C、变阻器断路D、灯泡断路
测试点a、fc、de、f
电压表示数有示数无示数有示数
11、电流看不见、摸不着,判断电路中是否有电流时,我们可通过电路中的灯泡是否发光去确定,这种方法在科学上叫做“转换法”。下面是小红同学在学习中遇到的四个研究实例,其中采取的方法与研究电路中是否有电流方法相同的是:()
A.通过测100张纸的厚度来测1张纸的厚度
B.人们通过研究墨水的扩散现象认识分子的运动情况
C.研究电流与电压、电阻关系时,控制电阻(电压)不变,研究电流与电压(电阻)关系
D.学习电压时,我们可以通过对比水压来认识它
12、电控调光玻璃能根据光照强度自动调节玻璃的透明度,其原理是:光照增强.光敏电阻Rx阻值变小,施加于玻璃两端的电压降低,玻璃透明度下降,反之则玻璃的透明度上升.若电源电压保持不变,R0是定值电阻,则下列电路图中符合要求的是()
A.B.C.D.
13、如图所示,用10N的水平推力推着重为60N的物体沿水平方向做直线运动。若推力对物体做了60J的功,则在这一过程中()
A.物体一定受到10N的摩擦力B.重力做的功一定为360J
C.物体一定运动了lmD.物体一定运动了6m
14、张华同学在探究通过导体的电流与其两端电压的关系时,将记录的实验数据通过整理做出了如图9所示的图像,根据图像,下列说法错误的是()
A.通过导体a的电流与其两端的电压成正比
B.导体a的电阻大于导体b的电阻
C.当在导体b的两端加上1V的电压时,通过导体b的电流为0.1A
D.将a、b两导体串联接到电压为3V的电源上时,通过导体的电流为0.2A
二、填空题(每空1分,共24分)
15、2.6×10-5KV=______________mV;3×108Ω=____________MΩ
16、导体的电阻是导体本身的一种性质,它的大小决定于导体的_________、横截面积和导体种类,还与导体的温度有关.
17、滑动变阻器是靠改变连入电路电阻丝的__________来改变连入电路的电阻的。
18、如图所示是我国第一艘航母“辽宁舰”,其正常行驶的功率约为1.5×108瓦,正常行驶1分钟做的功是___________J,辽宁舰舰载战斗机将配备歼—15机群,当战斗机从甲板上加速升空时,战斗机的动能________(选填“增大”、“减小”或者“不变”下同),重力势能___________,机械能_______________。
19、如图所示茶壶的容积为600mL,用它最多可装水_________kg;若以O为支点提壶把向杯中倒水,则它相当于一个_________杠杆(选填“省力”、“费力”或“等臂”).
20、在图甲中,闭合开关后,给玻璃珠加热到红炽状态,小灯泡________(选填“变亮”、“变暗”)这说明了________________________________.在图乙中,闭合开关后.在给钨丝缓慢加热的过程中,小灯泡_________,(选填“变亮”、“变暗”)原因是钨丝的温度越高,它的电阻___________。
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寒窗苦读,为的就是在考试中展现出自己最好的水平,大家更应该加把劲,努力学习,认真总结知识点,大量做题,从中找出自己的不足。下面是读文网小编为大家带来的关于九年级语文上册期末考试试题,希望会给大家带来帮助。
一、选择题
1、 A 2、B 3、C 4C 5、 C 6、C
二、基础题
7、 示例一:欣赏高山,自然会在高山的巍峨中感悟理想的崇高;示例二:欣赏大树,自然会在大树的伟岸中获得自立的尊严;(2分,要求:句式相同,语意连贯,意对即可)
8、 自古以来文人笔下的秋天,往往是肃杀、冷清,令人伤感凄凉。而在我看来秋天远胜初春。诗人一反常情,表达了对秋天的赞美,抒发了诗人积极乐观的思想情感。
9、 略
10、 【小题1】略
【小题2】第一、二幅漫画画的是早春的树木,第三幅漫画作者画的是冬天的树木,第四幅漫画作者画的是冬天过后的晚春的树木,这就可以看出漫画故事的时间跨度是一年多。
11、【小题1】示例:“尖”由“小”和“大”两部分构成,下大上小,所以是尖。
【小题2】“林”由两个“木”组成,表示树木丛生的意思。
三、诗歌鉴赏
12、【小题1】B 【小题2】C
【小题3】自古以来,写离别的诗作大多情感悲伤、基调低沉,而王勃的这两句诗则全无悲伤之情,写得昂扬乐观,能给朋友安慰和鼓励,这种对待离别的积极态度值得称道。
13、D
四、拓展探究
14、奥斯特洛夫斯基 保尔柯察金
15、斯威夫特、小人国、医生、格列佛每漂流到一个地方,必然去认识那里社会种种形式的政治生活。
五、写作
16、狼心狗肺、狼烟四起、狼子野心、引狼入室、狼贪虎视、豺狼当道、狼烟四起
17、 谛听 暇 胜
六、阅读题
18、 【小题1】“退一步”是一种交际智慧,更是一种人生智慧,它能让你少走许多弯路,更快地到达目的地。
【小题2】通过举例论证,形象生动地论证了退一步能化解政敌间的仇恨,是一种交际智慧,更是一种人生智慧的中心论点,使论证更具有说服力。
【小题3】
示例:忍一时风平浪静,退一步海阔天空。小不忍则乱大谋。海纳百川 有容乃大 壁立千仞无欲则刚
19、 【小题1】A放 B懈怠 C 疲倦 D睁大
【小题2】母亲坐在床上,用被子盖着我的双脚,解开衣服用胸口暖和着我的脊背。
【小题3】儿子为母亲深夜陪读而感动,为自己深夜睡着惭愧而哭(儿子被母亲的做法感动而哭)
七、作文
看过九年级语文上册期末考试试题的还看了:
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初三上学期即将结束,同学们要如何准备呢?接下来是读文网小编为大家带来的关于九年级语文上册期末考试题,希望会对大家有所帮助。
1. A 2. C 3. D 4.A 5.B 6.略。
7、 普通话是我们沟通的桥梁;⑵演讲、辩论会、朗诵会、故事会等活动;⑶
把讲普通话纳入师生综合素质评定的内容(全校师生别把方言带进学校来)
8、全诗抒发了自己辞官离京是的复杂感情,
9、作者以花自喻,意谓自己虽然处境艰难,但忠贞报国之心始终不变;自信其高尚志节更能感召年青一代。
10.发扬光大; 选拔; 远离 ; 彰显
11.C
12.(1)如有作坏事违犯法纪的,或尽忠心做善事的,应该一律交给主管部门判定他们受罚或受赏。
(2)皇上应当广泛听取意见,采纳正确建议,以使先帝的德行能够发扬光大,有志士人的正气得到鼓励传扬.
13亲贤臣,远小人,选贤任能
对于当今的领导干部来讲有非常重要的借鉴意义,
只有选拔有才能的人,善于听取意见,才能更好的为人民服务,为百姓办实事,如果只是一味任人唯亲或量“财”而用,那只会祸国殃民,违法乱纪,被人民所唾骂,成为国家的罪人。
14、大有大的思想、计划和考虑,小有小的算盘和实际生活,让节约的观念和行动细化到生活的每个角落。
15、引出节俭还是吝啬的讨论,提出的论题。
16、举例论证和道理论证
17、应该有这样很细节化的节约意识。例子略。
18、示例:静以修身,俭以养德 忧劳可以兴国,逸豫可以亡身
19、示例:伸出你的手,擦干她的泪(水龙头公益广告)
20. 以求女儿成凤凰时,将有梧桐栖,或者女儿们长大以后,用梧桐木做嫁妆。
21.小时候用梧桐花给我敷伤口;我出生时栽梧桐树;对我婚事的关心。
22.运用了比喻、对比、拟人的修辞手法,突出了梧桐树花期之迟,令人难以察觉。
23.燕子每年都要迁徙一次,“我”家的梧桐树成了它们归来的家;“我”长年奔波在外,故乡的家是“我”能够停歇的地方。
24.运用了想象的表现手法。作者运用想象,再加上深情的询问,表达了对燕子的关切,也含蓄的表达了对故乡的思念,同事也起到了言尽而意无穷的效果。
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随着时间的流逝,期末考试即将到来,教师们要如何准备好试题内容呢?下面是读文网小编为大家带来的关于九年级英语上册期末考试试卷,供大家参考。
A卷(共100分)
Ⅰ. 听力(每题1分,共20分)
1-5. BCEAD 6-10. ACCAB 11-15. BCBCA 16-20. ABACA
【听力原材料见后面】
Ⅱ. 词汇(共10分)
A) 根据汉语或首字母提示填空。
21. punished 22.active 23.stamps 24. pronounce 25. international
B) 用所给词的适当形式填空。
26. second 27. spoken 28. lays 29.called 30. Looking
Ⅲ. 语法与情景会话(共20分)
31-35. CBDCC 36-40. BADBC 41-45. DBBBD 46-50. CCCBD
Ⅳ. 用动词正确形式填空。(每空1分,共10分)
51. her 52. teeth 53. Teachers’ 54.developing 55. hearing
56. to learn 57. doesn’t rain 58. not to be 59. dead 60. feel
Ⅴ. 选择恰当的短语填空。(每空1分,共10分)
61. reminds…of 62. too much 63. To my surprise 64. stay up 65. take pride in
66. is patient with 57. hung out 68. all the time 69. in public 70. put on
Ⅵ. 句型转换(每空1分,共10分)
71. How ; study 72. is locked 73. is there 74. are supposed 75. if / whether is
Ⅶ. 阅读理解 (每题2分,共20分)
76-80. F T T F F 81-85. BCCDA
B卷(共50分)
Ⅷ. 完形填空(每题1分,共10分)
86-90. CBABA 91-95. CBDBC
Ⅸ. 阅读理解(每题2分,共20分)
(A) 96-100. ACDBA
(B) 101. same; spend 102. three
103. 虽然失败对于每个人都会发生,但是不同的人对于失败的态度不同。
104. After hard work, they will be successful in the end.
105. Failure is what often happens.
Ⅹ. 补全对话,每空一词(5分)
106-110. CBFAE
Ⅺ. 略(15分)
【听力材料】
第一节:听音选图。听句子,从所给图中选出与所听到句子情景相同(相近)的图画。每个句子读两遍。
1. It’s raining now. 2. Yao Ming is taller than Jordan.
3. You are not allowed to smoke here.
4. The boy was walking down the street when a UFO landed.
5. What is the boy doing? He is reading a book.
第二节: 听句子,根据所听内容选择相应的答语,每个句子读两遍。
6. Could you please post this letter for me on your way home?
7. Is he a teacher or a student ? 8. What day is it today ?
9. You’d better go to bed earlier tonight. 10. Do you think pizza is very popular in China?
第三节::听下面5段小对话,每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,每段对话读两遍。
11. M: Do you like English , Mary ?
W: No, I don't. I like Chinese best of all .
Q: What's Mary's favorite subject ?
12. M: How many students are there in your class ?
W: There are thirty boys and twenty girls .
Q: How many students are there in her class ?
13. M: Which animal lives only in China ?
W: I think it's a panda .
Q: Which animal lives only in China ?
14. M: Would you like to go to the cinema with me tonight ?
W: I'd love to, but I'm going to do my lessons. We’ll have a Chinese exam tomorrow.
Q: What's the girl going to do tonight ?
15. M: Good afternoon. Can I help you ?
W: Yes, please . I want to buy a sweater .
Q: Where are they talking ?
第四节:听短文,根据短文内容及所给问题选择最佳答案,短文读两遍。(每小题1分,共5分)
Victor had two sons. One was seven, and the other was five. One morning Victor took his two boys and his pet dog to the town in his car to buy some food. He left his two boys and the dog in his car when he was in the food shop. A few minutes later, his car was driven off.
Then the worried father called the police at once and they began to discuss the best way to save the boys. While the adults were worried about the boys in the car, the dog was so mad at the stranger. It sat at the front seat and began barking at him. If that wasn’t enough, the two boys began to shout at the car thief, “Stop, stop! It’s not your car!” and they said angrily that it wasn’t right for him to take their father’s money when the thief wanted to steal the wallet in the car.
The two boys and the dog made the thief so crazy that he asked them for their address. Then he stopped the car in front of their house, covered his face with his shirt and ran away. When Victor and the police were discussing how to save the boys, his wife called to tell him that the car, the two boys and the dog were all home.
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初三课程多,同学们要如何准备期末考试呢?接下来是读文网小编为大家带来的关于广州市九年级英语上期末考试试卷,希望会对大家有所帮助。
听力理解:(共15小题;每小题2分,满分30分)
1—5.C B B C B 6—10.A B B C A 11—15.B A C A B
听取信息:(共5小题;每小题1分,满分5分)
○AEnglish Book ○B1500 ○Ccopy your work ○Dfunny ○EMarch
单项选择:(共10小题;每小题1分,满分10分)
16—20.C B C C A 21—25.B D B C
语法选择:(共10小题;每小题1分,满分10分)
26—30.B D A C A 31—35.C B A C D
完形填空:(共10小题;每小题1分,满分10分)
36—40.A B D C C 41—45.B C A D B
阅读理解:(共20小题;每小题2分,满分40分)
46—50.A C B C D 51—55.B C B D A 56—60.B A A D C 61—65.D C A C B
单词拼写:(共5小题;每小题1分,满分5分)
66.balanced 67.invitation 68.heard 69.survey 70.writer
完成句子:(共5小题;每小题2分,满分10分)
71.have no interest in 72.be full of 73.In general
74.am sorry for 75.how that is
书面表达:(共1小题;满分15分)
(略)
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初三上学期即将结束,同学们要如何准备呢?接下来是读文网小编为大家带来的关于人教版九年级上册期末考试语文试题,希望会对大家有所帮助。
一、语言知识和语言表达。(18分)
1、A、2、B、3、B、4、B、5、A、6、B。
二、古诗文阅读与积累 (22分)
7、C;(烟不是炊烟)。8、D、(不是亢奋激越)。9、C;10、①悉:全、都。②师:兵(军队)。11、如果我死的时候,不能让家里有多余的钱,不能让外边有剩余的财物,这会辜负陛下的。12、鞠躬尽瘁死而后已,忠心耿耿,尽职尽责,公正廉洁。13、亲贤臣,远小人,选贤任能。(不一定用文中话回答,意思对即可)14、略。
三、现代文阅读 (30分)
(一)15.①一面作饼,一面骂人。②不接受别人的建议。③上门买饼必须电话预订,否则概不应酬。④代销他的香饼必须在同一天卖完。⑤厌恶、拒绝机械化做饼。⑥孤僻沉默。
(3分,答出三点即可得满分)
16.承上启下。(2分)
17.用生动活泼的语言更加真切地表达出作者对香饼的喜爱之情。(2分)
18.对比与比喻的运用,突出了香伯的香饼质量无与伦比。(3分)
19.③⑪;突出了香伯的香饼独具特色。(4分)
20.提示:香伯内心的坚守精神深深地感动了“我”。在“我”的眼中,他虽然苍老无比,却又那么令人敬重。(3分)
(二):21.以国家利益为重的崇高品德。
22.比喻论证,对比论证,1分,形象、突出地论证了让人对事业的发展有极大的帮助。2分
23.不能,第④段讲的是让人对事业的发展也有极大的帮助。1分,第⑤段讲的是怎样具备让人这种品格。1分,这两段的内容是递进关系。
24.总结全文,突出中心论点,号召人们要拥有让人的美德。
25.第一个论据不行,因为第一个的内容是告诉我们要“不让”,本文第②段讲的是让人是一种涵养,一种胆识,这句话不能证明此观点,所以不行。
四、语文综合性实践活动与作文
26、(1)选③更贴切。因为它扣紧主题,具体形象地表现出此次活动的内容。(2)(2分)示例:①很多的留守儿童有抑郁情绪;②解决抑郁情绪的主要方式是对同学说。(3)(2分)示例:①举办“我与留守生心连心”演讲比赛;②开设留守儿童心理辅导课;③评选自立自强优秀留守儿童。
27.作文按中考标准评定
附:参考译文
俯伏思念您,我禀赋不高,又遇上蜀国比较艰难的时候,出兵伐魏五次,都未能成功。哪里想到我却病入膏肓,生命将要在早晚间完结。俯念陛下能够静心克制自己的享乐欲望,约束自己爱护百姓,这就是尽了孝道继承先帝的遗志,施仁爱之心于天下百姓,提拔选用那隐居不仕的贤人,来扩大增加贤良的人材,罢免赶走那些邪恶的小人,使得风俗敦厚。
我当初侍奉先帝时,日用全靠官府供给,自己不再经商务农。在成都有桑树八百棵,薄田十五顷,靠这些子孙们的衣食,自给是有富裕的。至于我在外边,不再有另外的调度,平时的吃穿用度,全部靠官府供给,不再去搞别的生计,来增加微小的收入。如果我死的时候,不能让家里有多余的钱,不能让外边有剩余的财物,这会辜负陛下的。
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练习积累越多,掌握越熟练,学习需要不断的在练习中积累,接下来是读文网小编为大家带来的关于九年级英语四月调研试题,希望会对大家有所帮助。
一、听力测试(共三节)
第一节(共5小题,每小题1分,满分5分)
听下面5个问题,每个问题后有三个答语,从题中所给的’A、B、C三个选项中选出最佳选项。听完每个问题后,你都有5秒钟的时间来作答和阅读下一小题。每个问题仅读一遍。
1. A. My classmate. B. Friendly. C. Sixteen years old.
2. A. Very dirty. B. A note. C. It’s brown.
3. A. It’s fast. B. At 8:00 am. C. It’s crowded.
4. A. It’s heavy. B. Too big. C. The one on the bed.
5. A. I’m nodding. B. A lot of hair. C. Better, thanks.
第二节(共7题,每小题1分,满分7分)
听下面7段对话,每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
6. What is Kate’s mother?
A. A doctor. B. A nurse. C. A patient.
7. Where is the man?
A. In the cinema. B. On the farm. C. At a store.
8. How is the man going to the museum?
A. By bike. B. On foot. C. By bus.
9. What are the- two people?
A. Teacher and student. B. Father and daughter. C. Doctor and patient.
10. What does the woman think of the dress?
A. The color is a bit light. B. The size is not OK. C. The dress is too short.
11. What is the man going to do?
A. Go to swim. B. Buy some paper. C. Do some work.
12. What does Mary mean?
A. She agrees with the man. B. She has a better idea. C. She doesn’t care.
第三节(共13小题,每小题1分,满分13分)
听下面4段对话或独自,每段对话或独自后有几个小题,从题中所给的’A、B、c:三个选项中选出最佳选项。听每段对话和独自前,你将有时间阅读各个小题;每小题5,秒钟;听完后,各小题将给出5秒钟的作答时间。每段对话或独自读两遍。
听下面一段材料,回答13 -15题。
13. What can we know about the woman?
A. She knew the man well.
B. She worried about the bike.
C. She repaired the bike.
14. What happened to the bike?
A. It was knocked down.
B. It was badly broken.
C. It was sold to the woman.
15. Who checked the bike?
A. Nobody did.
B. The woman did,
C. The man did.
听下面一段材料,回答16 -18题。
16. What is the woman going to do?
A. To have lunch.
B. To ask about time,
C. To buy two tables.
17. How many people will be at the restaurant?
A. Two. B. Three. C. Eight.
18. What is the woman’s first name?
A. Kate. B. Rose C. Green.
听下面一段材料,回答19 ? 22题。
19. What are these two speakers mainly talking about?
A. New Year’s Day. B. Christmas Day. C. Chinese Spring Festival.
20. Where-do children hang their stockings?
A. Over the fireplace.
B. In the Christmas tree.
C. Beside the fireplace.
21. Who do the children think will fill their stockings?
A. Father Christmas. B. Their parents. C. Their friends.
22. What will David do on Christmas?
A. Study at home. B. Watch TV. C. Visit a foreigner’s family.
听下面一段材料,回答23 ? 25题。
23. Where does Dashan study now?
A. At a university in Germany.
B. At a university in China.
C. In a Chinese school at his home city
24. When does Dashan have some difficulty understanding Chinese?
A. When talking with Chinese people.
B. When listening to Chinese talk to him.
C. When listening to Chinese talk to each other.
25. How many Chinese cities has Dashan visited?
A. Just a few. B. Three. C. Quite a lot.
二、选择填空(本题共15分,每小题1分)
将代表最佳答案的字母在答题卡上相应的位置涂黑。
26. ? We’ll travel to different places in this summer vacation. Enjoy your trip!
- ______.
A. Me, too B. Yes, I’d love to
C. The same to you D. Very well, thank you
27. Tom’s a taxi driver, _____ he really wants to be a singer.
A. or B. and C. so D. but
28. ? Do you know if Jack will drive to New York this weekend?
- Jack? Never! He ______ driving so far.
A. has hated B. will hate C. hated D. hates
29. - A nice shirt! A present?
- Yes, it is. My aunt ______ it to me for my last birthday.
A. was sending B. had sent C. will send D. sent
30. ? Is Mr. Smith in the office?
- No, He______to the library.
A. goes B. had gone C. has gone D. would go
31. ? Excuse me, can I park my car here?
- Yes, you can park on ______ side of the street.
A. another B. both C. either D. neither
32. - Oh you sound just like an Englishman.
- ______, I still have trouble expressing myself.
A. Yes, you’re right B. Well, not quite like that
C. I don’t mind D. You’re welcome
33. ? We’d better invite Tom and Kate to the party tonight.
- Yes, ______ ? I’ll give them a call right now.
A. why B. why not C. what for D. how
34. Although he failed this time, he didn’t give up and ______studying hard.
A. stopped B. continued C. succeeded D. finished
35. - Why are you so ______, Helen?
- I thought I had lost my purse, but I didn’t. I found it in my study!
A. angry B. happy C. sad D nervous
36. - Is there any ______ for two chairs in the office?
- Yes, I think so.
A. ground B. floor C. space D. area
37. - How was the performance last night?
- It was so good. Though it ______ nearly four hours, few people left early.
A. covered B. reached C. lasted D. played
38. I was late for school because my alarm clock didn’t ______this morning.
A. go on B. go off C. go away D. go up
39. -______ you leave so soon?
-Yes. I have to catch my plane.
A. Can B. Would C. Should D. Must
40. ? What did that lady ask you just now?
- She asked me______.
A. who was I waiting for
B. whether could I help her
C. how she could get to the bus stop
D. what has happened
三、完形填空(本题共15分,每小题1分)
阅读下面短文,掌握其大意,然后从41 ? 55各题所给的四个选项中,选出一个最佳答案。
Luke says, “At first I was shocked that somebody would do such a thing, but then I saw Jenifer’s (41) and knew that I had to do something. I jumped up and started chasing him down the street and calling‘Thief, stop !’but nobody seemed (42) in stopping him. They were too busy staring, like it was a (43) or something. Luckily, I play soccer for the school team, so I’ve been training all year and I’m in pretty good shape, so I (44) to catch up with him on Third Avenue and knocked him down. Once he was on the (45) I sat on top of him and waited for the police to come. I know that people say you shouldn’t do that kind of thing, (46) you never know what the person can do to you, but I didn’t think about that at the time. I was too (47).”
However, Jennifer is not the only one who’s grateful for Luke’s bravery. After police had arrested(送签捕) the thief, they (48) his apartment and found over a hundred stolen cell phones and, perhaps more (49) , an address book full of names of various criminal contacts(犯罪联络), most of whom have now been brought in for (50) as police try to break a growing ring of cell phone criminals.
Cell phone theft(盗窃)is only one of a number of technology ? related crimes that police say are on the rise. Businesspeople have been told to be extra (51) with their notebook computers, which are an easy target(目标) for criminals, and new police apartments are being set up to (52) crimes. In the last week alone, the New York Police Department has (53) over six hundred calls from people relating to one of the above crimes.
Thanks to Luke’s bravery and quick thinking, Jennifer didn’t (54) one of those victims (受害者) , and she knows (55) she’s going to thank Luke - by taking him for another meal at the same Indian restaurant. This time, however, she’s going to keep her cell phone in her purse.
41. A. purse B. phone C. head D. face
42. A. pleased B. frightened C. interested D. excited
43. A. game B. movie C. story D. joke
44. A. managed B. tried C. hoped D. meant
45. A. floor B. grass C. ground D. bed
46. A. because B. so C. if D. although
47. A. nervous B. sad C. brave. D. angry
48. A. broke B searched C. sold D. discovered
49. A. important B. common C. similar D. dangerous
50. A. questioning B. testing C. pretending D. stealing
51. A. serious B. safe C. patient D. careful
52. A. care for B. deal with C. think about D. belong to
53. A. made B. checked C. received D. refused
54. A. trouble B. offer C. become D. believe
55. A. why B. how C. when D. whether
四、阅读理解(本题共30分,每小题2分)
阅读下列短文,从每题所给四个选项中,选出一个最佳答案。
A
56. We can read the above material mostly______.
A. on TV B. in the newspaper
C. in a school report D. in the hike factory
57. From the reading we know the shop sells______.
A. only bikes B. only the parts of bikes
C. bikes and other items D. only car parts besides bikes
58. It’s clear that‘WILCO’ refers to (指) ______;
A. the boss of the main shop B. the main shops
C. the brand of the bike D. the summer sale
59. If you go to any of WILCO shops on Sundays, you have to______.
A. call number 012223 414825
B. pay more than &69.99 for one bike
C. visit www. wilcomall@ wilco-fastlift. co. uk
D. arrive at it before 4:00 p. m.
60. In this advertisement we cannot know______.
A. the information about bikes
B. the e-mail address of the main shop
C. the time the shops open on weekdays
D. whether customers can easily park at all WILCO shops
B
There is a saying, “An apple a day keeps the doctor away.” Although eating properly is important, being kind to others is also good tor your health. Studies show that people who perform kind acts are more relaxed, happier, and healthier than other people.
In one study at Arizona State University researchers, found that many volunteers experienced a sudden feeling of joy, followed by a long period of calm, after performing a kind act. This feeling, called “a help’s high” may actually help reduce stress (压力) as the body releases (释放) naturally painkillers.
Stress can cause’ serious health problems, and heart depression, and .sleeping problems. However, the study found that volunteers had fewer *stress-related health problems when they did helpful things for other people.
The study also found that people who did nice things for others felt better about themselves as well. They had higher self-esteem (自尊), and were’ happier. Many believe this is because volunteers spend more of their time with other people. People who are more outgoing are often healthier.
Another study at the University of Michigan’s Survey Research Center confirmed the health benefits of volunteering. A ten-year study showed that people who volunteered live longer than those who didn’t. Although you shouldn’t need a reason to be helpful, it is nice to know that kindness may help you live longer.
61. The reading is mainly about ______.
A. healthy people are kind because they have more energy
B. one has to eat an apple every day to become healthy
C. kind people can be stressed because they are always helping
D. doing kind things can make you feel good and help you he healthier
62. According to the reading ______.
A. it is better to be kind than to eat well
B. kindness can help you feel healthy
C. an apple a day can keep doctors away
D. eating correctly makes one happy and healthy
63. You can get a help’s high ______.
A. by volunteering your time
B. by taking painkillers
C. by eating properly
D. by sleeping well
64. The study found that people who help others can have ______.
A. sleeping problems and stress
B. less natural painkillers
C. overeating and depression problems
D. fewer health problems
65. Another study of almost 3 ,000 men showed that people who volunteered _____.
A. lived longer B. needed a reason to be helpful
C. wanted to live longer D. had lower self-esteem
C
Sarah ran in, shouting, “Look what I found!” Over the top of the paper I was reading; came a terrible thing that caused me to jump. It was a snake skin found in our garden.
“Isn’t it beautiful?” said my seven-year-old daughter.
I opened my eyes widely and looked at the snake skin in fear. I didn’t think it was beautiful, but I learned never to appear nonchalant(冷漠的)with children. Everything they see for the first time is important to their sense of beauty; they see only excellence in the world.
“Why does it do this?” Sarah asked.
“Snakes shed(蜕) their skins because they need to renew themselves,” I explained.
“Why do they need to renew themselves?” Sarah asked.
“We often need to shed our skins, those coatings that we cover ourselves with,” I said to my daughter. “We leave some things and find other thing unwanted or unnecessary. This snake no longer needs this skin. It is probably too little for him, and he probably doesn’t think he looks as smart in it as he once did. “
As we talked, I knew that she began to understand. Although she couldn’t understand clearly, she would know that renewal is part of progress; that we need to take a good look at ourselves, our rooms, schoolwork and spirit, and see what we need to keep and what we need to leave. I was careful to tell that this is a natural way, not one to be forced.
“Snakes don’t peel off their skins when they like them. “I explained. “It happens as a natural thing of their growth. “
“I see, Dad,” said Sarah as she held the snake skin, and then ran off.
I hoped she would remember this; we need to throw some away because they are worthless or unnecessary. Then we can store them as memories m our deep hearts.
66. Father jumped up when her daughter came to him with a snake skin because ______.
A. he didn’t want to read any more
B. he was in great fear of it
C. he wanted to praised her daughter
D. he hated snakes
67. Father’s patient explanation shows that ______.
A. his daughter didn’t want to listen to him at all
B. he knew children saw only excellence in the world
C. his daughter couldn’t follow him at all
D. he wanted to teach everything to her
68. In this reading the underlined word ‘renew’ means ______.
A. to begin to do something again
B. to make something newer than before
C. to replace something old with something new
D. to cover something old with something new
69. We learn from the reading that______.
A. the girl seemed to understand what her father said
B. the girl wasn’t interested in the explanation
C. the father was good at raising snakes
D. the father liked the snake skin better
70. Which of the following titles is the best for the reading?
A. Snake Skin B. Renew Ourselves
C. Father and Girl D. Great Discovery
第Ⅱ卷(非选择题共35分)
五、词与短语选择填空(本题共10分,每小题2分)
仔细阅读下面五个句子,然后用下面方框中所给的单词或短语填空,使每个句子在结构、句义和逻辑上正确。(提示:选项中有一个是多余的。)
give out /strange / provide / delicious / keep out /join
71. The best way to improve your English is to ___ an English club.
72. Be quiet please, class. I’m going to__ your test papers.
73. Mr. Tan makes the best noodle in town. They’re _____!
74. There’s a __smell in the house. Do you know what it is?
75. Could you ___ me with information about student exchange programs?
六、阅读理解填词(本题共10分,每小题1分)
先阅读短文,再在其后空白处写出各单词的正确形式。单词的第一个字母已给出。
In 1993, Greg Mortenson took a trip to Pakistan to climb K2, the second tallest mountain in the world. On his way down the mountain, he got l (76). Food and water were hard to find, but Mr. Mortenson found a small village. The people there saw that he was in n (77) and helped him. While in the village, Mr. Mortenson w(78) the children write in the dirt for their school l(79).The village did not have money to build a school or pay for a t(80),Before he left, Mr., Mortenson volunteered to r( 81) to the village and help them build a school
Mr. Mortenson went back to the US and wrote to many rich people. He asked them to d (82) money to build a bridge and a school for the village. The I (83) did not work very well, but at last e (84) people heard about Mr. Mortenson’s plan and helped him. That was the beginning of the Central Asia Institute, an organization that has succeeded in building or helping to build more than 130 schools in small villages in Pakistan and Afghanistan With the help of journalist David Relin, Mr. Mortenson wrote the famous book Three Cups of Tea. It is about his work with villages in Pakistan and Afghanistan. Some people have criticized him, however, Mr. Mortenson was given a p(85) in 2009 by the government of Pakistan for his work in the country.
七、书面表达(本大题15分)
假如你是李明。
明天是周六,你给汉口某校的外教史密斯打电话,邀请他到武昌游玩。
内容要点如下:
1. 乘2号线地铁到洪山广场,你们在那里见面;
2.明天会很热,轻装;
3.穿运动鞋,游东湖,爬山;
4.请你补充交代一两件事。
要求:
1.不要逐条翻译,内容要连贯。
2.词数:60-800 .
参考词汇: the subway(地铁)square (广场)sports shoes (运动鞋)
电话开头和结束语已给出:
Is Smith there? Hi, this is Li Ming.-I’d like to invite you to Wuchang to get relaxed tomorrow.
See you tomorrow.
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