必修一M2复习

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物理必修一二基础知识点

物理必修一二基础知识点

物理必修一二基础知识点物理必修一二基础知识点漫长的学习生涯中,大家最不陌生的就是知识点吧!知识点有时候特指教科书上或考试的知识。

哪些知识点能够真正帮助到我们呢?以下是店铺为大家收集的物理必修一二基础知识点,欢迎阅读,希望大家能够喜欢。

物理必修一二基础知识点1一、质点1.定义:用来代替物体而具有质量的点。

2.实际物体看作质点的条件:当物体的大小和形状相对于所要研究的问题可以忽略不计时,物体可看作质点。

二、描述质点运动的物理量1.时间:时间在时间轴上对应为一线段,时刻在时间轴上对应于一点。

与时间对应的物理量为过程量,与时刻对应的物理量为状态量。

2.位移:用来描述物体位置变化的物理量,是矢量,用由初位置指向末位置的有向线段表示。

路程是标量,它是物体实际运动轨迹的长度。

只有当物体作单方向直线运动时,物体位移的大小才与路程相等。

3.速度:用来描述物体位置变化快慢的物理量,是矢量。

(1)平均速度:运动物体的位移与时间的比值,方向和位移的方向相同。

(2)瞬时速度:运动物体在某时刻或位置的速度。

瞬时速度的大小叫做速率。

(3)速度的测量(实验)①原理:v??x。

当所取的时间间隔越短,物体的平均速度v越接近某点的瞬时速度v。

然而时间间隔取得过小,造成两?t点距离过小则测量误差增大,所以应根据实际情况选取两个测量点。

②仪器:电磁式打点计时器(使用4∽6V低压交流电,纸带受到的阻力较大)或者电火花计时器(使用220V交流电,纸带受到的阻力较小)。

若使用50Hz的交流电,打点的时间间隔为0.02s。

还可以利用光电门或闪光照相来测量。

4.加速度(1)意义:用来描述物体速度变化快慢的物理量,是矢量。

(2)定义:a??v,其方向与Δv的方向相同或与物体受到的合力方向相同。

?t(3)当a与v0同向时,物体做加速直线运动;当a与v0反向时,物体做减速直线运动。

加速度与速度没有必然的联系。

物理必修一二学习方法多阅读教材为了培养学生的自学能力和审题能力,教材的阅读就显得至为重要。

必修一_unit_2_复习提纲答案

必修一_unit_2_复习提纲答案

高中英语必修1 Unit 1-2 巩固练习Unit One一.完成句子1.His mother has ________ (遭受) from illness for several years.2.She _______(明白了) why she was ill was that she had eaten bad meat.3.He gave me some ______(建议)on how to learn a foreign language.4.(就我而言)you should thank all the people concerned.5.Her son has gone abroad to study. She is quite _________ (牵挂) about him.6._________(据) the latest news report, the accident has caused 7 more deaths.7.You shouldn’t have hurt her _______(感情).8.The bad news quite _________ (使苦恼) him last night.9.It is wrong of you to _____(无视) your parents’ advice.10.To get as much information as possible, we should learn to _________(沟通) 二.短语回顾1. .关心,挂念_________________2. 经历,遭受____________________3. 相处,进展_________________4. 面对面地_____________________5. 故意_____________________6. 为了________________________7. hide away ______________8. calm down ____________________9. a series of ___________________ 10. add up11.以---为目的12. 在黄昏三.词语填空1.I will leave you (settle) all the business.2.The doctor said the medicine could ease the (suffer)3.His behavior _______ (disagree) with his words.4.We should (齐心协力) to go through the difficulties.5.I’ll have the numbers ______ (a dd) up soon.6.That man cheated the old lady _______(buy) expensive shoes.7.Anything that ________ (concern) Mr. Green interests me.8.The naughty boy _________(punish) by his father for ______(tell) a lie.9.It is the very (upset) news.10.I tried to tell her it ; but she _________ (ignore) me.Unit Two一.完成句子1. Tomatoes are (原产于) to Europe.2. The two things (完全不同).3. What is the (官方) language in your country?4. Of wine and milk, (后者)is more healthier.5. Titanic sank in her maiden (航行).6. His failure was (由于) his pride。

高一必修一unit2基础知识复习巩固提升

高一必修一unit2基础知识复习巩固提升

Unit 2 English around the world基础巩固练习I. 根据句意及首字母的提示,完成所缺单词的正确形式。

1. His ________ (口音) showed that he was an American.2. When we are on holiday in Greece, we live like __ ________ (当地人).3. The heating system in this ________ (街区) doesn’t work well.4. The child has a very large ___________(词汇量) for his age.5. In British ___ ________ (用法), “petrol” means “gas”.6. He looks dishonest, but _________(实际上) he is a thief.7. He has lost his ___________ card and is being questioned by the police.8. Although we hadn’t seen each other for ten years, I ___________ (认出) Bob at the airport as soon as I saw him.9. A _________ in the US is an underground railway in a city.10. An _______ is a kind of machine for raising and lowering something.11. In America a flat is called an _____________.12. We are going to make a ____________ (航行) from Qingdao to Dalian during the summerholidays.13. Li Yang speaks English so ________ (流利的)that he can talk with foreigners freely.14. Their arguments were becoming more and more ____ (频繁).15. English and French are Canada’s ___________ (官方的) languages, and many Canadianscan speak both of them.16. It is necessary for you to remember some useful words and ____________ (表达).17. Don’t ____ _______ (命令) others to do what they don’t want to do..18. She________ (逐渐地) built up a reputation (名声) as a successful lawyer.19. Total profit was $ 550 million in the ___ ______ (后者的) half of 1998.20. Walk _________ (一直), turn right at the second crossroad and you will see theunderground on your right.II. 单项选择。

必修第一第二单元复习要点

必修第一第二单元复习要点

必修第一第二单元复习要点————————————————————————————————作者:————————————————————————————————日期:18必修1第一第二单元要点第一章 宇宙中的地球 一、地球的宇宙环境1、可见宇宙:我们把已经观测到的有限宇宙,相当于总星系,半径约为140亿光年。

2、多层次的天体系统(1)天体类型:恒星、行星、星云、流星、彗星、星际空间的气体和尘埃等。

(2)天体系统的形成:天体之间相互吸引和相互绕转,形成天体系统。

(3)天体系统多层次:地月系(地球和月球) 太阳系 银河系 总星系河外星系 3、八大行星排列:太阳:水星 金星 地球 火星 木星 土星 天王星 海王星巨行星 远日行星小行星带位于火星轨道和木星轨道之间。

4、地球上生物出现的原因A 、稳定的光照条件B 、安全的宇宙环境C 、适宜的温度(主要原因是日地距离适中,其他还有自转公转周期适中,较厚大气等)D 、适合生物呼吸的大气(原因是地球质量和体积适中;地球经过长期演化出现了氧气)E 、地球上有液态水(适宜的温度)5、宇宙探测(1)中国二大航天中心:甘肃酒泉(纬度较高)、四川西昌(纬度较低)。

(2)神州五号、六号、七号载人飞船都在酒泉发射。

(3)发射地的纬度越低,地球自转的线速度越大,这样同等燃料能运载更重的卫星。

如探月卫星重量较大,故嫦娥一号选择在纬度较低的西昌发射。

(4)卫星发射方向朝东,与地球自转方向一致,这样可获得较快的发射速度。

二、太阳对地球的影响 1、太阳辐射与地球(1)太阳辐射概念:太阳源源不断地以电磁波形式向四周放射能量。

(2)太阳辐射能量主要集中在可见光。

我们称太阳辐射为短波辐射。

(3)太阳辐射能是维持地表温度,促进地球上水、大气、生物活动和变化的主要动力。

2、太阳活动与地球(1)太阳大气层的构成:从里到外分为光球、色球和日冕三层。

(2)太阳活动:光球----黑子;色球----耀斑、日珥;日冕----太阳风。

高一英语人教版必修第一册期末复习重难点知识集锦 Unit 2 (知识点)

高一英语人教版必修第一册期末复习重难点知识集锦 Unit 2 (知识点)

Unit 2 Travelling Around Part one V ocabulary1. apply vi. & vt. 申请;请求vt. 应用;涂(油漆;乳剂)application n. 申请;申请书;适用apply sth. to sth. 把某物应用于……apply (to…) for… (向……)申请……apply to do sth. 申请做某事apply to… 适用于……(to为介词)2. rent vt. 租用;出租vi. 租用;租金为n. 租金rent sth. from sb. 从某人那里租赁某物rent sth. to sb. 把某物出租给某人3. amazing adj. 令人惊奇的;令人惊喜的amaze vt. 使惊奇;使惊喜amazed adj.惊奇的;惊喜的4. arrangement n.安排;筹备make an arrangement/ arrangements (for) 为……做安排arrange v. 安排;筹备;整理;布置arrange for sb. to do sth. 安排某人做某事5. narrow adj. 狭窄的vi.& vt. (使)变窄narrow sth. down (to…)/ narrow down sth.(to…) 把某物缩小(到……)6. recognise vt. 辨别出;承认;认可recognise…as/ to be… 承认/认为……是……be recognised as … 被认为是…It is recognise that… 人们意识到……recognition n. 认识;认出;认可recognisable adj. 容易认出的;易于识别的7. admire vt. 钦佩;赞赏admire sb. for sth. 因某事钦佩某人admiration n. 钦佩;赞赏admirable adj. 令人羡慕的;可钦佩的;值得赞赏的8. contact vt. 联络;联系n. 联系;接触lose contact with… 与……失去联系be/ get/ stay/ keep/ in contact with 与……取得联系9. credit n. 借款;信用;称赞;学分10. request n.(正式或礼貌的)要求;请求vt. (正式或礼貌的)要求;请求make a request for 提出请求11. view n.视野;景色;看大12. check vt. 检查;核对check in (在旅馆、机场等)登记check out 结账离开(旅馆等)13. sight n. 景象;视野;视力catch sight of ... 看见... ...14. comment n.议论;评论vi. & vt. 发表意见;评论make a comment on... 对... ...发表评论comment on/upon 对... ...发表评论Part two Grammar现在进行时表将来be doing这种结构表示按计划即将发生的动作,常用于表示位置移动的动词。

高中物理必修一二知识点汇总

高中物理必修一二知识点汇总

中学物理必修2学问点期末总复习考试重点内容:曲线运动、动量、功和能、机械振动(一)曲线运动、万有引力1. 曲线运动确定是变速运动!速度沿轨迹切线方向(fangxiang),加速度方向(fangxiang)沿合外力方向——指向轨道内侧。

物体做曲线运动的条件是合外力与速度不在一条直线上。

2. 曲线运动的探讨方法:矢量合成与分解法,切线方向的分力ΣFt只变更质点的运动速率大小;法线方向的分力ΣFn只变更质点运动的方向。

3. 运动的合成和分解:速度、位移、加速度等都是矢量,都可以依据须要和实际状况,用平行四边形定则合成和分解。

两个匀速直线运动的合成,两个初速度为0的匀变速运动的合成确定是直线运动。

两个直线运动的合成不确定是直线运动。

4.平抛运动:加速度:a=g,方向竖直向下,与质量无关,与初速度大小无关;速度:vx=v0,vy=gt,vt=(v02+vy2)1/2,方向与水平方向成θ角,tgθ=gt/v0;位移:x=v0t,y=gt2/2,s=(x2+y2)1/2,方向与水平方向成ɑ角,tgɑ=y/x.轨迹方程:y=gx2/2v02为抛物线。

在空中飞行时间:t=(2h/g)1/2,与质量和初速度大小无关,只由高度确定。

水平最大射程:x=v0t=v0(2h/g)1/2由初速度和高度确定,与质量无关。

曲线运动的位移、速度、加速度都不在同一方向上。

5. 匀速圆周运动:1)周期T、质点运动一周所用的时间。

是描述质点转动快慢的物理量。

2)线速度v、质点通过的弧长Δs与所用时间Δt之比为确定值,该比值是匀速圆周运动的速率v=Δs/Δt,数值上等于质点在单位时间内通过的弧长。

线速度的方向在圆周的切线方向上。

线速度是描述质点转动快慢和方向的物理量。

3)角速度ω、连接质点与圆心的半径转过的角度Δφ与所用时间Δt之比为确定值,该比值是匀速圆周运动的角速度ω=Δφ/Δt,数值上等于在单位时间内半径转过的角度。

单位是弧度/秒(rad/s),角速度也是描述质点转动快慢的物理量周期、线速度、角速度之间有的关系:质点转一周弧长s=2πr,时间为T,则v=2πr/T角度为2πω=2π/T由上两公式有v=ωr,ω=v/r圆周运动是曲线运动,它的速度方向时刻在变更着,匀速圆周运动确定是变速运动,“匀速”仅是速率不变的意思。

高中英语必修1第2单元复习详解

高中英语必修1第2单元复习详解
northwestern USA. 因此,美国东南部山区的人同美国西北部的人所说的方
言就几乎相同。
新课标高考总复习·英语
创新方案系列丛书
[重难·抢分型词汇——合作学会] 1.command n.[C]命令;指令 [U]掌握 vt. 命令;指挥;支配;博得;赢得 [ 经 典 例 句 ]It requires adults to have a good command of a set of healthy education methods. 这就需要我们成年人掌握一套安全健康教育的 操作方式。
创新方案系列丛书
Unit 2 English around the world
需写准记牢的单词——记其形、明其义
1. native adj.
n.
2. base vt.
n.
本国的;本地的 本地人;本国人 以……为根据 基部;基地;基础
新课标高考总复习·英语
创新方案系列丛书
3. vocabulary n. 词汇;词汇量;词表
English we speak at present. 当时的英语更多地是以德语为基础,而不是我们今
天所说的英语。
新课标高考总复习·英语
创新方案系列丛书
5. It is not easy for a Chinese person to speak English as well as a native Englishspeaker.
(1) recognize sb./one's voice 认出某人听
出某人的声音
be recognized to be/as ... 被认作……/
被认为是……
It is recognized that ...

高一必修1(M1-2)复习(外研)

高一必修1(M1-2)复习(外研)

必修1(M1-2)复习一、考点、热点回顾Mr. LuoHow time flies! It's two months since I entered high school. My first impression of my school is that it's large and beautiful. The students are friendly. The teachers are really helpful because they are very patient to answer our questions.I'm getting along with my study well in this new term. Our teachers are strict, but never boring. That’s why we are very active in class and doing very well in our studies.However, I have met some serious problems. The first problem, which I think is the most serious, is that I often fall asleep in class. Now I am doing more homework than before, so I have less time to sleep. Another problem is that I’m not good at English, especially English listening. I can’t follow my English teacher because he often teaches us in English. I feel very anxious.I hope my teachers encourage me a little bit more. I believe I will succeed in the end!Miss. XuHow time flies! It's two months since I entered high school. But I still remember the first day of my high school life. The first impression that the school gives me is its size and beauty. The buildings are tall, the trees are many, and the flowers are beautiful. It is my first impression that made me set up mind to study hard here.My ne w classmates are lovely and friendly, and my new teachers are really helpful. Therefore, I’m doing well in this new term.However, I have two minor problems. The first problem is my mathematics. I find it difficult to learn it and I can’t follow my math teacher’s pace. The second is the nasty food offered by the canteen.At last, I hope I can learn more and make more progress with the help of my teachers.Module 1My First Day at Senior HighⅠ.单词1.__________(n.)信息2.__________(n.)方法3.__________(n.)态度4.__________(vt.)包含5.__________(adj.)热心的→__________(n.)热情6.__________(adj.)令人吃惊的;令人惊讶的→__________(adj.)吃惊的;惊讶的→__________(vt.)使……大为惊讶;使惊愕→__________(n.)7.__________(n.)(常作复数)指示;说明→__________(vt.)指导;教导→__________(adj.)有教育意义的;指导的8.__________(adj.)厌烦的;厌倦的→__________(adj.)令人厌烦的→__________(v.)使厌烦9.__________(adj.)尴尬的;难堪的;困窘的→_________________(adj.)令人尴尬的;令人难堪的→_________________(vt.)使尴尬→_____________(n.)尴尬10.__________(n.)行为;举动→__________(v.)11.__________(n.)技术→__________(adj.)→__________(n.)(同义词)技术;技艺;技法12.__________(vt.)使印象深刻→__________(n.)印象→__________(adj.)给人深刻印象的13.___________________(n.)鼓励;激励→__________(vt.)→__________(n.)勇气;胆量14.__________(adj.)失望的→__________(adj.)令人失望的→__________(vt.)使失望15.__________(vi.)消失→____________(n.)→__________(vi.)出现→__________(n.)出现;外表16.__________(n.)助手;助理→__________(v.)帮助;协助→__________(n.)帮助,援助Ⅱ.常用短语1.____________与……相似2.______________________对某物/某人的态度3.__________________在……开始/结束的时候4._________________被(划)分为……5.____________参加6.____________毫不相似;完全不像7.____________换句话说8.____________单独地;独自地9.____________期待;期望10.____________取得进步Ⅲ.重点句型1.We…re using a new textbook and Ms. Shen‟s method of teaching is nothing like ________ of the teachers at my Junior High school.我们使用新的教科书而且沈老师的教学方法和我初中老师的教学方法一点也不一样。

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高2013级高一期末复习资料----必修一Module 2 第一节完形填空阅读下面几段材料,按句子结构的语法性和上下文连贯的要求,自选词汇或用括号中词汇的正确形式填空My New TeachersThey say that first _______ are very important. My first impression of Mrs. Li was that she was________(nerve) and shy. I think perhaps she was, as it was her first lesson with us. But now, after two weeks, the class really likes working with her. She’s kind and patient, and she explains English grammar so clearly _______even I can understand it!-She ______ making you feel stupid! I’ve always hated making mistakes or pronouncing a word_______ when I speak English, but Mrs. Li just smiles, so that you don’t feel completely stupid! I think maybe she goes a bit too slowly for the faster students, but for me it’s wonderful! I feel I’m going to ________ progress with her.I’d guess that Mrs. Chen is almost sixty. She’s very strict -we don’t _______ to say a word unless she asks us ______. She’s also very_______ and doesn’t smile much. When she asks you to do something, you do it ____________(immediate)! There are a few students in our class who keep _______ to class late but they’re always on time for Mrs. Chen’s lessons! Some of our class don’t like her, ________ most of us really appreciate her because her teaching is so well _________ and clear. And a few students even admit liking her! During ________(science) experiments, she explains exactly _______ is happening and__________ a result my work is improving. Physics will never be my favorite lesson, but I think that I’ll do well _________ the exam _______ Mrs. Chen teaching me.Mr. Wu’s only ________ teaching us for two weeks and he’s already very popular. I think this is because he really enjoys ___________ Chinese literature - he loves it, in fact! He’s got so _______ energy, this is one class you do not fall asleep in! He’s about 28, I think, and is rather good-looking. He talks ________(loud) and fast, and ________ his hands about a lot when he gets _________(excite). He is really ________(amuse) and ________ jokes when he thinks we’re getting ________(bore). Even things like compositions and ___________(summarize) are fun with Mr Wu. I _________ him a lot.Different countries, Different schoolsit is __________(interest) to look at differences between schools in different countries。

In many _________ (Europe) countries, for example, the relationship between teachers and students is quite __________(informal). This is true of France, _________ (German), and Spain, where discipline and respect for the teacher is considered very important. The same is true of Russia. In northern European countries, however, the relationship between teachers and students is much _________(friendly) and more relaxed. In America, students and teachers are quite relaxed with each other. In Britain, relationships are quite relaxed, but teachers can have big problems with discipline.Another important difference is whether schools are state schools or private schools. State schools are paid for by the ___________, but in private schools, the __________ paid for the education of their children. Germany and France have both state and private schools, but most students go to state schools, which are very good. __________(similar), America has both state and private schools. Most ___________ (America) children go to state schools, but the private schools can be very good. Britain has both state and private schools. In Russia, children go to state schools.第二部分词汇运用根据下列各句意思,用方框内单词或短语的适当形式填空完成句子。

1.Before the interview, he felt very ___________ .2.Hearing someone calling for help, the young man took off his coat and jumped into the water _____________.3.I would ___________ it very much if you would help me carry this box upstairs.4.We should ___________ going to the park when there is lots of tourists.5.There is a brief ___________ at the end of each unit.6.The man ___________ that he had hurt the boy by accident.7.As is known to all, people improve themselves by ____________________and correcting them.8.It has been proved that without setting a goal and keeping to it, one can hardly _________________ in hiswork..9.Mr Wang ________________ his students, and most of his pupils are afraid of him.10.Don’t shout at him------you should learn to _________________him.11.He talks loudly and fast, and __________ his hands ________a lot when he gets excited.12.Astronomy (天文学) is the ______________study of the sun, moon, and stars and other heaven bodies.13.What were your first _____________of Beijing?14.Business letters must always be _____________, but we should write in a natural way to friends.15. He is highly ___________ by everyone for his integrity(清廉).第三部分句子翻译根据汉语完成句子1.大多数同学都很欣赏她,因为她的教学非常有条理,很清楚。

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