为您找到与山东省青岛市2018年中考地理试题相关的共200个结果:
历史中考往往会在历年真题里选一些题目,2018年青岛市中考历史的真题和答案有什么内容呢?下面是读文网小编收集整理的2018年青岛市中考历史真题及其参考答案以供大家学习。
一、选择题(本大题共40小题,每小题1分,计40分。)
1.从2009年开始,中科院古脊椎动物与古人类研究所会同中国安全生产研究院,在位于我国北方的某遗址第四层和第六层提取灰烬样品,经过一系列物理化学处理提纯后,利用扫描电镜和X射线衍射仪观察其元素构成和物质成分,结果,证明因燃烧而形成的富集的元素碳、钾和植硅体在灰烬样品中存在,证明在这个层位发生过原地燃烧(用火)行为。请判断,这一遗址位于( )
A.元谋县 B.周口店
C.余姚县 D.周口市
2.2014年5月6日,为期一周的安徽省颖上县第九届管子文化旅游节开幕。管子即管仲,春秋时期杰出的政治家,被称为“春秋第一相”。他辅佐下列哪位诸侯成为春秋首霸( )
A.秦孝公 B.晋文公
C.楚庄王 D.齐桓公
3.都江堰位于四川省都江堰市城西,是中国古代建设并使用至今的大型水利工程,被誉为“世界水利文化的鼻祖”。该水利工程修筑于( )
A.战国时期赵国 B.战国时期齐国
C.战国时期秦国 D.战国时期楚国
4.春秋战国时期,诸子百家的世界观、人生观为中华民族的民族性格奠定了基础。下列选项中与儒家、墨家、道家、法家所推崇的理想人格相对就的排列组合是( )
A.英雄、隐士、侠客、君子 B.英雄、侠客、隐士、君子
C.君子、侠客、英雄、隐士 D.君子、侠客、隐士、英雄
5.归纳法是一种非常有效的历史学习方法。以下是某同学制作的朝代更替表的一部分,空框中应填的是( )
A.西周、春秋 B.春秋、战国
C.西周、东周 D.东周、战国
6.青岛有一座著名的湛山寺。与之相关的宗教,何时传入我国中原地区( )
A.秦朝末年 B.西汉末年
C.隋朝末年 D.唐朝末年
7.2018年4月13日,《中国教育报》在报道南阳高等专科学校发展情况时,特意强调“南阳是豫西南一颗璀璨的明珠。孕育出商圣、科圣、医圣、智圣等无数圣贤先哲。”这里所说的“医圣”是( )
A.扁鹊 B.华佗
C.张仲景 D.孙思邈
8.中国古代每一个专制王朝都深深的烙上了“家天下”的印记,因此,一些史学家常把皇姓跟朝代名称合二为一,比如称唐朝为“李唐”、宋朝为“赵宋”,那么被称为“元魏”的应该是( )
A.战国时期的魏国 B.三国时期的魏国
C.北魏 D.元朝
9.电视综艺节目《爸爸去哪儿了》火爆荧屏,连远在万里之外的英国一岁多的乔治小王子也忍不住上演了一场真人秀。据英国《每日邮报》报道,威廉王子访问中国期间,凯特王妃告诉乔治小王子“爸爸在中国(in China)”,没想到乔治听到后“走到瓷器(china)柜前,打开柜子,说‘爸爸不在这里’”。关于瓷器,下列表述正确的是( )
①半坡原始居民能制造色彩鲜丽的彩瓷 ②我国是世界上最早发明瓷器的国家 ③商朝时期就有烧制原始青瓷的瓷窑 ④唐朝时越窑青瓷和邢窑白瓷十分出名 ⑤唐三彩是唐代低温彩釉瓷器
A.①②③④⑤ B.①②③④
C.②③④⑤ D.②③④
10.《奔赴索马里》歌中唱到:“中华勇士,铁血男儿,无畏征程,早有郑和六百年……”这里提到中国最负盛名的航海家——郑和。郑和先后七下西洋,最远到达( )
A.波斯湾沿岸 B.红海沿岸和非洲东海岸
C.印度半岛 D.阿拉伯半岛和红海沿岸
11.今天的北京故宫,其实是“故宫博物院”的简称,那个曾经威严不可侵犯的地方,如今早已成为普通民众踏足参观的地方。北京故宫在历史上也叫( )
A.阿房宫 B.未央宫
C.紫禁城 D.大明宫
12.19世纪初的一位英国商人说:“只要中国每人买一顶棉制睡帽,就够曼彻斯特所有工厂生产几十年。”这句话揭示了( )
A.中国人不喜欢棉纺织品
B.交通不畅导致英国棉制睡帽很难运到中国
C.鸦片战争爆发的根本原因
D.中国人民生活水平提高了
13.下列历史事件按时间先后顺序排列正确的是( )
①邓世昌抗击日军 ②林则徐虎门销烟 ③义和团抗击八国联军 ④太平军抗击洋枪队
A.①②③④ B.②④①③
C.②③①④ D.④③②①
14.《亚细亚的孤儿》是我国台湾地区作家吴浊流成名的长篇小说,本书对当年的台湾人既不是日本人也不是中国人的身体认同,其矛盾与混乱的心理有深刻描绘,内容叙述了日本统治时期的台湾知识分子胡太明在台湾受到日本殖民者的欺压……使台湾成为“孤儿”的历史事件是( )
A.鸦片战争 B.第二次鸦片战争
C.甲午中日战争 D.八国联军侵华战争
15.近代中国某一报刊首发过如下
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气象学上把表示空气冷热程度的物理量称为空气温度,简称气温。下面是读文网小编为您带来的2018年地理大庆中考题模拟试卷及答案,希望对大家有所帮助。
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太阳直射点所在的经线的地方时为正午12时。多做一些习题就可以巩固这些知识。下面是读文网小编为您带来的2018年枣庄中考地理模拟题及答案,希望对大家有所帮助。
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全球共分为亚洲,欧洲等七个大洲。下面是读文网小编为您带来的2018年中考地理复习题及答案,希望对大家有所帮助。
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中考的日子越来越近了,地理热点的试题我们要多加练习才好。下面是读文网小编为您带来的2018中考地理热点的试题及答案,希望对大家有所帮助。
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教师们对于学生们的学习情况有着怎么样的了解呢?让我们来做一做试题卷了解一下吧!下面是有读文网小编为你整理的2016青岛市中考生物试题,希望能够帮助到你!
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复习要仔细,试卷多做才会有记忆点,通过试卷的练习与总结,相信你会对自己的学情情况有一个更好地掌握!下面是读文网小编网络整理的2018中考生物压轴题及答案以供大家学习参考。
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我们作为学生,在做试题卷的时候应该怎么样的从试卷中获取我们的学习情况的信息呢?让我们来做一套试题卷吧!下面是读文网小编网络整理的2016年山东省烟台中考历史试题卷,希望对你有用。
以上就是读文网小编为你带来的2016年山东省烟台中考历史试题卷,希望能够帮助到您!
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在紧张的复习阶段,我们要做好每一次的考试复习准备。这样才能让我们在即将到来的考试中获取优秀的成绩!下面是读文网小编网络整理的2016年山东省临沂中考历史试题卷以供大家学习参考。
下面是读文网小编整理的2016年山东省临沂中考历史试题卷以供大家阅读。
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对于学生们来说,他们要面临一次非常重要的考试。那么他们应该要做出什么样的复习准备呢?下面是读文网小编网络整理的2016年山东省聊城中考历史试题卷,相信这些文字会对你有所帮助!
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在一份设计良好的考试试题卷面前,不仅能够体现出教师们对学生们的学习情况的掌握,更能体现出学生们的学习水平!以下是由读文网小编收集整理的2016年山东省泰安中考历史试题卷,欢迎阅读!
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我们作为学生,应该从试卷里总结出好的学习方法,相信更过的练习与总结会让你在考试的时候更加得心应手。下面是读文网小编整理的2016-2017高二物理期中考试试卷答案以供大家阅读。
一、选择题(本题共10小题,每小题4分,共40分,1---7单项选择题,8—10不定项选择题,全部选对的得4分,选对但不全得2分,有选错或不答的得0分)
题号 1 2 3 4 5 6 7 8 9 10
答案 A B A C C A C AB AD AC
二、实验题(本题共2小题,共13分。把答案填写在题后括号内或横线上。)
11.(7分,每空1分)(1)3V、0.6A、1Ω、0~10Ω(2)电压表的分流(3)r=1.0Ω 偏小
12.(6分,每空2分)(1)11.5;(2)BCD;(3) 。
二、计算题:(47分)
13.提示:(1) ,当R=0时P最大
W
(2)当电源输出功率最大时, ,
(3)当 时,电阻R消耗的功率最大
14.(1) ……………………①
I总= =0.4A…………………………②
I= I总=0.2A…………………………③
(2) ……………………④
=0.0128 W………………⑤
15.解:(1)由机械守恒: …… ①
解得: …………………………②
(2)设线框ab边进入磁场II时速度为 ,则线框中产生的电动势:…………③
线框中的电流 …………………④
线框受到的安培力 …………⑤
设绳对A1、A2的拉力大小为T则:
对A1:T+F=Mg ………………………………⑥
对A2:T=mg …………………………………… ⑦
联立⑤⑥⑦解得: …………⑧
(3)从ab边刚进入磁场II到ab边刚穿出磁场II的此过程中线框一直做匀速运动,根据能量守恒得: …………………………⑩
16、(1)根据洛伦兹力提供向心力公式 得:Bqv=mv2/R
解得:R=0.1m
(2)粒子在磁场中通过的位移刚好等于磁场区域直径时,其速度方向偏转的角度最大,能打到屏上的点最高,由于R=2r,如图△OPL为等边三角形,可判断出粒子在磁场中的运动轨迹所对圆心角为60°,由 T=2πR/v ,t=T/6=π/6 ×10-7 s =5.2×10-8 s
设从L点射出磁场的粒子能打在屏上的N点,LN的反向延长线交PQ于M点,由对称性可知:
PM=Rtan30°
MQ=PQ-PM
NQ=MQtan60°
联立上式可得:NQ=
当磁场区域转动90°时,粒子刚好没有进入磁场,沿直线运动打在屏上Q点,所以粒子能打在屏上Q点以上0.16m范围内.
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掌握辨析题的答题技巧并熟练运用,可以让学生在中考政治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2018中考政治辨析题答题技巧,希望会给大家带来帮助。
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初三的英语是比较难学的一门学科,同学们要如何备考才能取得理想的成绩呢?下面是读文网小编为大家带来的关于青岛市中考英语试题,希望会给大家带来帮助。
I.单项选择 从每小题所给的四个选项中选出能够完成或回答这一小题的最佳答案。(共15小题,每小题1分,共15分)
1.David is ______ eight-year-old boy with short black hair.
A. / B. a C. an D. the
2.Nancy took her temperature and found she had a ______.
A. cough B. toothache C. cold D. fever
3.— ______ do you usually share happiness with?
— My parents and my best friend.
A. Who B. Whose C. What D. How
4.I like hiking in t he forest because the air is pretty ______.
A. free B. dirty C. polluted D. fresh
5.Ladies and gentlemen, attention please! I have ______ important to tell you.
A. nothing B. something C. everything D. anything
6.Tim is going to give his father a surprise ______ Father’s Day.
A. in B. at C. on D. by
7.Rules are helpful to us, ______ we have to follow them.
A. so B. but C. or D. because
8.We have worked so long. Shall we stop ______ a rest?
A. have B. to having C. having D. to have
9.The girl in the classroom ______ be Sarah. She has gone to the library.
A. may B. must C. can’t D. needn’t
10.Our country is taking action to ______ air pollution.
A. cut down B. cut up C. cu t out D. cut off
11.The talent show is ______ the game show. I like both.
A. as boring as B. not so bored as C. as interesting as D. not so interested as
12.______, we saw the sun rise on top of Mount Tai
A. Lucky B. Luckily C. Unlucky D. Unluckily
13.Children should ______ to be honest from a young age.
A. educate B. be educated C. punish D. be punished
14.William Shakespeare ______ for 400 years, but his works still have great influence today.
A. died B. was dying C. has died D. has been dead
15.— Excuse me. Could you tell me ______ about the local history and culture?
— Of course. You can check it on this computer.
A. how can I get the information B. what information did I get
C. where I can get the information D. that I got the information
II.阅读理解 阅读下列短文,做出正误判断或选出最佳答案。A篇为判断正(A)误(B)题,B、C篇为选择题。(共15小题,每小题1分,共15分)
A
Building friendships is a lifelong job but is worth spending time. Also, it’s important to keep in touch with friends.
Advice on making new friends Advice on keeping friends
* Try to be open to new experiences and relationships.
* Join clubs or volunteer organizations. These activities will give you a chance to communicate with people who share similar interests.
* Go on with it — even if you don’t feel comfortable. It takes time to build friendships. * Be a good listener. Don’t offer advi ce unless you’re asked.
* Respect (尊重) the other person’s opinion, even when you don’t agree.
* Your friends need to know they can trust you.
16.Building friendships doesn’t take long. (B)
17.Volunteer activities can help you make some new friends. (A)
18.You should respect your friend’s idea. (A)
19.Offer your friends advice if you are not asked.(B)
20.The passage talks about how to make new friends and keep friends.(A)
B
“I will think of it.” It is easy to say this, but do you know what great things have come from thinking?
Sir Isaac Newton was sitting in his garden when he saw an apple fall from a tree. He began to think and tried to find out why the apple fell. Then he discovered how the sun, moon, and stars are kept in their places.
A boy named James Watt sat quietly by the fire, watching the lid of the kettle move up and down. He wanted to find out why the steam in the kettle moved the lid. From that time he went on thinking and thinking. And when he became a man, he improved the steam engine (蒸汽机) so much that it could easily do the work of many horses.
James Ferguson was a poor boy. Once, seeing the inside of a watch, he wondered. “Why should I not make a watch?” But how could he get the materials to make the mainspring (钟表的主发条)? He soon found he could make it with whalebone (鲸骨). He then made a wooden clock which kept good time. His motto (座右铭) was “I will think of it.” And he made his thoughts useful to himself and the world.
Boys and girls, when you have a difficult lesson to learn, don’t lose heart, and don’t ask someone for help before helping yourselves. Think, and by thinking you will learn how to think to some purpose.
21.From the passage, we know that some great things come from ______.
A. listening B. reading C. speaking D. thinking
22.The idea of Isaac Newton’s discovery was from ______.
A. the falling of an apple B. the cleaning of a garden
C. the falling of a tree D. the moving of a lid
23.The achievement of James Watt was that he ______.
A. kept thinking B. found the steam in the kettle
C. improved the steam engine much D. watched the lid move up and down
24.The right ord er of the following sentences is ______.
① James Ferguson made a wooden clock.
② James Ferguson saw the inside of a watch.
③ James Ferguson made the mainspring with whalebone.
A. ③ ② ① B. ② ③ ① C. ② ① ③ D. ③ ① ②
25.What is the main idea of the passage?
A. Learn to ask for help.
B. A difficult lesson to learn.
C. It is easy to say “I will think of it.”
D. Think, and by thinking you will learn how to think to some purpose.
C
A science fiction flying car looks like a normal car, but it is an aircraft (飞行器) that anybody can fly directly from any place to another without using roads or runways. Science fiction writers have written about flying cars for a long time. But now flying cars will soon fly out of the world of science fiction into our real world. And the dream of the science fiction writers will soon come true.
The first-known sky car is the FSC-1. The FSC-1 looks like an expensive sports car. You can drive the FSC-1 on the road like a normal car. If you touch a button, its wings and propeller (螺旋桨) fold out and then it can take off, fly and land as an airplane. The owners of the FSC-1 can choose if they want to drive or fly.
Another flying car or sky car is the Moller Skycar M400. Although you can’t drive it on the roads, it is s mall and easy to fly and can take off and land like a helicopter (直升飞机). Urban Aeronautics’ X-Hawk is another type of sky car. It is expected to be available for about $3 million.
Just like any new technology, flying cars have taken a long time to be developed. But some experts think the technology is far from what people imagine when they are sitting in traffic. It still needs to be improved.
26.______ kinds of flying cars are mentioned in the passage.
A. Two B. Three C. Four D. Five
27.The writer thinks that flying cars will be no longer a dream because ______.
A. science fiction writers’ ideas are stupid B. they are too expensive to make
C. they will soon be available D. they are only in science fiction
28.The FSC-1 can ______.
A. change itself into a robot
B. move on water like a ship
C. be flown only like an airplane
D. be driven like a car and flown like an airplane
29.The Moller Skycar is different from the FSC-1 because ______.
A. it can’t fly B. it can’t be driven like a car
C. it is difficult to land D. it is much more expensive
30.Some experts think the technology of flying cars is ______.
A. normal B. traditional
C. not good enough D. strange
第II卷(共60分)
III.综合填空 (共20小题,A每小题2分,B、C每小题1分,共25分)
A. 用所给词的适当形式填空。每词限用一次。(10分)
pass, provide, review, bring, celebrate
1.The hotel always provides good service for tourists.
2.Tea was brought to western countries in the 19th century.
3.All of us have passed the exam. How happy we are!
4.Mike will celebrate his grandpa’s birthday next Sunday.
5.Could you please turn down the TV? Your brother is reviewing his lessons.
B. 根据句意和所给汉语,完成句子。每空一词。(5分)
1.In the USA, people eat with knives (刀) and forks.
2.I left my book at home. May I borrow yours (你的)?
3.You must look at the traffic lights before you go across (穿过) the road.
4.It rained heavily(大) on my way home yesterday afternoon.
5.The earlier (越早) kids learn to be independent, the better it is for their future.
C. 选择恰当的单词填空。每词限用一次。(有两个多余的选项)(10分)
exactly, disappeared , hundreds, example, protect, when, longest, of, symbol, wide, northwest, build
The Great Wall of China is one of the greatest wonders of the world. With a history of more than 2,000 years, some parts of the Great Wall have disappered. It is, however, still a very popular place of interest.
It is the longest wall ever built. It’s from Shanhaiguan on the east coast to Gansu Province in the northwest of China. It is about 8 meters high. The top is 8 meters wide and it gets even wider towards the bottom where it is 15 meters. It is made of stone and brick. The top is hard enough for men on horseback to ride on. The wall was built by hand and it took hundreds of years to finish.
No one knows exactly when the building of the Great Wall was started. It is believed that the wall was built to protect parts of the country during the Zhou Dynasty. Emperor Qin Shihuang joined the separate walls built by the Qin, Yan and Zhao Kingdoms. The wall was not only for protection in the north, it was also a symbol of China’s ancient civilization (文明).
Today, many of the visitors go to see the wall. When they stand on top of a tower and look down on this wall, they can’t help (禁不住) saying “Wow, that’s fantastic!”
IV.阅读表达(共20分)
A
阅读下面短文,按要求完成各项任务。(共8分)
Many people run for exercise. But what will you do if you are not a “born” runner or jogger (慢跑者)? You may still want a kind of exercise that’s inexpensive and easy to do. Why not try walking?
Walking requires no special equipment (装备). It is a kind of exercise that almost any normal, healthy person can do. Walking is good for your health like jogging or running; it will just take longer. Jogging and running make your heart work harder than walking. They also put more stress on your legs and feet than walking does.
The problem with walking is that most people don’t take it seriously. But there’s a big difference between serious walking and the walking that most of us do. Walking, like jogging, should have a steady and continuous motion (稳健而持续的动作).
If you want to get your exercise by walking, you need to have your own walking plan. After all, runners and joggers set goals for themselves. Walkers need goals, too. You also need to set a course to walk. Start by walking about 15-30 minutes a day. Increase your time and distance (距离) slowly. And try increasing your walking speed little by little.
If you prefer to jog or run, follow the same advice. Start off slowly. Spend most of the first few days just walking. Then, start walking and running on the same day. Run or jog a short distance, then walk for a while, then, run, then walk. Follow that pattern for 15-30 minutes a day. Slowly make each run longer and each walk shorter. Later on, you can increase your distance, speed and exerci se time.
任务一 将划线短语 a “born” runner 译为汉语。(1分) 一位天生的赛跑者
任务二 列举两条Jogging和running对身体部位的影响。(2分)
1.make your heart work hard
2.put much stress on your legs
任务三 回答问题。What’s the problem with walking? (2分)
The problem with walking is that most people don’t take it seriously.
任务四 选出作者关于步行健身的两种建议,将字母代号填写在答题卡上。(2分)
A. Have a walking plan. B. Walk fast at the beginning.
C. Start by walking an hour a day. D. Increase distance and speed little by little.
1.A 2.D
任务五 找出最后一段的主题句。 (1分)If you prefer to jog or run, follow the same advice.
B
阅读下面短文,按要求完成各项任务。(共12分)
I went through some difficult times, dealing with the pressures of gro wing up. I found it hard to communicate with my mother. Relations between us became difficult.
One day, I ran away from home and stayed away for many hours. When I returned home at night, I saw all the pain, anger and disappointment on my mother’s face. ①_____________________. We agreed to have breakfast together the next morning. It was a turning point in both of our lives and our relationship.
We decided to go to a restaurant. On our way to the table I noticed my mother had two notebooks. I asked her what they were for. She explained to me that sometimes it was easier to write down our feelings rather than talk about (A) them. We would write down our feelings in the form of a letter. It could be as long or as short as we wanted.
Our first topic was “Why I’m so angry?” I wrote a half page, and my mom filled up nearly three pages. (B) I watched tears run down her face as she wrote. I never realized anyone could hide so much anger. After we finished writing, we exchanged our notebooks. As soon as I started reading my mother’s words, I began to cry and so did she. When we finished reading, we discussed our feelings. ② _________________. Our talk helped me realize so many things I had never thought of before, not only about my mother but also about other people.
My mother and I continue to use our notebooks as a way of communicating our anger and worries, and our happiness as well. W e know that no matter how we feel about each other, our notebooks are a safe place to express our feelings. We have come to an agreement that at the end of each letter we write, “I love you.”
任务一 选择最佳句子补全文章,将字母代号填写在答题卡上。其中有一项是多余的。 (2分)
A. We knew that we were in great need of a talk.
B. I just wish you would help a little more with the family.
C. Amazingly enough, it felt like all the anger inside me went away from my body.
①A ② C
任务二 找出(A)处划线代词 them 所指代的内容。(1分) feelings
任务三 将(B)处划线句子 I watched tears run down her face as she wrote. 译为汉语。(2分)
我看到她在写感受时泪水从她脸上流下。
任务四 找出与 The minute we read each other’s words, both of us started to cry. 意思相同或相近的句子。(1分)As soon as I started reading my mother’s words, I began to cry and so did she.
任务五 选择文章的最佳标题,将字母代号填写在答题卡上。(1分)C
A. I Love You, Mum
B. The Difficult Times in My Life
C. The Notebooks Filled With Love
任务六 完成句子。第3和第5个空每空不超过10个词,其它每空限填一词。(5分)
The relations between my mother and me used to be bad. One morning, we had a talk in a restaurant. After the talk, we wrote down our feelings in the form of a letter.Now we continue to use our notebooks to communicate because they are a safe place to express our feelings.
V.书面表达(共15分)
初中生活 即将结束,丰富多彩的学校活动一定给你留下了许多美好的回忆。根据图表提示,选择一次你最喜欢的活动进行描述。
内容包括:1.此次活动的过程;
2.你的收获或感受。
要求:1.词数:80-100。开头已给出,不计入总词数。
2.文中不得出现真实的校名和人名。
My junior school life is coming to an end. I had a lot of sweet memories. Of them, I’d like to share with you my favorite story about a basketball game. Our team got a good start by beating two strong teams. However, our captain hurt his finger during the third game. He is the brain of our team. When thinking of losing of the center, we were all down and couldn’t concentrate on the next match. Our captain found this and encouraged us to fight on and cheered us up. With the help of our captain, we played as well as the first two games. Seeing our captains waving his injured finger, we made our biggest efforts in the following games. With the cheers of our students ,we w on the champion. During the celebrations, we threw our captain into the air. I would never forget it because I understood the importance of teamwork for the first time.
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2024届山东省潍坊市高三数学期中考试试题及答案
中学数学研究的对象可分为两大部分,一部分是数,一部分是形,但数与形是有联系的,这个联系称之为数形结合或形数结合。下面是小编为大家整理的2024届山东省潍坊市高三数学期中考试试题,希望对您有所帮助!
1、解三角形
常用知识:正余弦定理、面积公式、边角互换、均值不等式,注意角范围的叙述(三角形内角和定理);三角函数与解三角形,向量相结合:化一公式、诱导公式、二倍角公式、基本关系式,均值不等式、周期的求法。
2、数列
求通项an的方法:公式法、累加法、累乘法、构造法、倒数法、同除法、an与S,和Sn-1的等量关系。
求Sn的常用方法:公式法、错位相减法、裂项相消法、分组求和法等。
3、立体几何
证明平行:做辅助线(中位线,平行四边形,相似三角形等)可证面面平行,线面平行性质等。
证明垂直:勾股定理;等腰,等边三角形性质;菱形,正方形性质;基本图形的垂直;线面垂直得线线垂直;面面垂直性质,直径所对的圆周角等。
求距离:解三角形,等体积法等。
求空间角:做辅助线,建系,标出相应点的坐标,求出平面的法向量,写出相应的夹角公式,线面角公式等。
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