2014B1U2一轮知识点复习1
高中物理第一轮复习知识点总结
高中物理第一轮复习知识点总结一、高中物理电场知识点1.两种电荷、电荷守恒定律、元电荷：(e=1.60×10-19C);带电体电荷量等于元电荷的整数倍2.库仑定律：F=kQ1Q2/r2(在真空中){F:点电荷间的作用力(N),k:静电力常量k=9.0×109N?m2/C2,Q1、Q2:两点电荷的电量(C),r:两点电荷间的距离(m),方向在它们的连线上,作用力与反作用力,同种电荷互相排斥,异种电荷互相吸引｝3.电场强度：E=F/q(定义式、计算式){E:电场强度(N/C),是矢量(电场的叠加原理),q：检验电荷的电量(C)｝4.真空点(源)电荷形成的电场E=kQ/r2 {r：源电荷到该位置的距离(m),Q：源电荷的电量｝5.匀强电场的场强E=UAB/d {UAB:AB两点间的电压(V),d:AB两点在场强方向的距离(m)｝6.电场力：F=qE {F:电场力(N),q:受到电场力的电荷的电量(C),E:电场强度(N/C)｝7.电势与电势差：UAB=φA-φB,UAB=WAB/q=-ΔEAB/q8.电场力做功：WAB=qUAB=Eqd{WAB:带电体由A到B时电场力所做的功(J),q:带电量(C),UAB:电场中A、B两点间的电势差(V)(电场力做功与路径无关),E:匀强电场强度,d:两点沿场强方向的距离(m)｝9.电势能：EA=qφA {EA:带电体在A点的电势能(J),q:电量(C),φA:A点的电势(V)｝10.电势能的变化ΔEAB=EB-EA {带电体在电场中从A位置到B位置时电势能的差值｝11.电场力做功与电势能变化ΔEAB=-WAB=-qUAB (电势能的增量等于电场力做功的负值)12.电容C=Q/U(定义式,计算式) {C:电容(F),Q:电量(C),U:电压(两极板电势差)(V)｝13.平行板电容器的电容C=εS/4πkd(S:两极板正对面积,d:两极板间的垂直距离,ω：介电常数) 常见电容器〔见第二册P111〕14.带电粒子在电场中的加速(Vo=0)：W=ΔEK或qU=mVt2/2,Vt=(2qU/m)1/215.带电粒子沿垂直电场方向以速度Vo进入匀强电场时的偏转(不考虑重力作用的情况下)类平垂直电场方向:匀速直线运动L=Vot(在带等量异种电荷的平行极板中：E=U/d)抛运动平行电场方向:初速度为零的匀加速直线运动d=at2/2,a=F/m=qE/m注:(1)两个完全相同的带电金属小球接触时,电量分配规律:原带异种电荷的先中和后平分,原带同种电荷的总量平分;(2)电场线从正电荷出发终止于负电荷,电场线不相交,切线方向为场强方向,电场线密处场强大,顺着电场线电势越来越低,电场线与等势线垂直;(3)常见电场的电场线分布要求熟记〔见图[第二册P98];(4)电场强度(矢量)与电势(标量)均由电场本身决定,而电场力与电势能还与带电体带的电量多少和电荷正负有关;(5)处于静电平衡导体是个等势体,表面是个等势面,导体外表面附近的电场线垂直于导体表面,导体内部合场强为零,导体内部没有净电荷,净电荷只分布于导体外表面;(6)电容单位换算：1F=106μF=1012PF;(7)电子伏(eV)是能量的单位,1eV=1.60×10-19J;(8)其它相关内容：静电屏蔽〔见第二册P101〕/示波管、示波器及其应用〔见第二册P114〕等势面〔见第二册P105〕.二、高中物理恒定电流知识点电荷的定向移动形成电流。
B1U2TravelPeru人教版高中英语必修一逐字稿
Travel PeruLead in:T: Bs&Gs, wele to our class journey! Imagine when Covid19 pandemic is conquered in all countries, and we can travel abroad freely, which place will you choose to travel?S:T: Spain, you want to watch live football game! France, to appreciate the Eiffel Tower! Go to some island to enjoy sunbathing. As for me, I hope one day I can travel to the country Peru. Do you know Peru? Yes,it’s a country in South America! Have you ever been there? No? Before we have a chance to travel there in person, let’s know much more about Peru in today’s class, and enjoy some places through our class. Journey.Now, let’s turn to page26, and start our journey “Treavel Peru”.Skimming:T: There are two texts about Peru, look through the text quickly and get the idea about what types of text they are? Encyclopedia or Brochure? Are you ready? Go aheadT: time is up. Any volunteers? Mona, pleaseS:T: The text1 is encyclopedia. It is made up of a brief introduction and a map. Text2 is a travel brochure about Peru. We can know from its format and the last sentence. Well done, thank you.Scanning:T: In the text2, there are 4 kinds of tours are introduced, what special activity can you ecperience in each tour? Jane, what about Amazon Rainforest Tour.S:T: explore rainforest and enjoy unique plants and animals. If you go to Machu Picchu, you are advised to ecpolre the amazing ancient city. Yeah, nice work! And the other two tours, what can you do? Lisa,please.S:T: In Cusco, you can enjoy unique Spanish and local Indian culture (visit. Museum, admire architecture,local food, shopping). And the Lake Titicaca, we can enjoy beautiful countryside and experience local life. Thank you for your sharing.T: Each tour has its feature, if you are going to travel Peru, which tour would you like to choose? Kevin, what’ your choice?S:T: you prefer the Cusco Tour. Because you are interested in the history and culture there and wantto taste local food. Sounds great! What about you, JaneS:T: wow! You like to explore rainforest, you are curious about the nature there! Quite cool!Discussion:T: From the text, can you conclude what aspects should be mentioned when writing a travel brochure?S:T:1. Transport, you can remend the most convenient. 2. Traveling days, about the best season and the days you can spend there. 3. Acmodation. It is important part of travel. 4.route, yeah, this is the heart of a trave brochure. 5. Scenery, food....T: So a good travel brochure can offer tourist many practical information to prepare for their travel.T: There are a lot of places deserve visiting in our province Fujian. If you have a chance to design a travel brochure about three places in Fujian, where will you choose? DongShang island, Tu Lou clusters, WuYi mountain... So the homework today, according to these aspects, choose three places in Fujian to write a travel brochure.。
浙江省台州市书生中学人教版高中英语必修一复习素材：重点句型翻译整合
B1U1+ B1U2 重点句型/词组翻译整合1. make sth. sth. (make+宾语+宾补结构” 名词短语“herbest friend”作宾补安妮她把日记当作了最好的朋友.Anne made her diary her best friend.2. be crazy about 对….很疯狂如果你想成功，你就得很投入地学习。
You have to be crazy about your study if you want to succeed. (注意succeed 是动词, success为名词)3. everything to do with sth. (和…有关的事物, 注意介词搭配with)我更喜欢一切时尚有关的东西.I prefer everything to do with fashion.4. have trouble with sth.你根本想不到我再家务方面有麻烦.You can’t imagine the trouble that I have with my ho usework.5. have trouble/difficulty (in) doing sth.有当地导游带路, 他们毫无困难地走出来森林.With a local guide leading the way, they had no difficulty walking out of the forest.6. find it +adj. + to do sth. (find + 宾语+ 宾补+ to do ) 我们发现在现代社会中, 学习一门外语是很有必要的.We find it necessary to learn a foreign language in modern society. (注意necessary拼写)我发现很难和他们成为好朋友.I find it hard to make good friends with them.7. do + V (原) 表示的确, 确实,表强调我的确想改变这种现状, 但我不知道怎么办.。
2014届高考物理一轮复习课件(考纲解读+考点探究+高分技巧)：7.5测定电池电动势和内阻(37张ppt,含详解)
0.83(0.81～0.85均对)
基本实验要求
实验热点聚焦
拓展创新实验
随堂基础演练
预测高考命题视角
以本实验为背景，通过改变实验条件、实验仪器设置题目， 不脱离教材而又不拘泥教材，体现开放性、探究性、设计 性等特点． 视角1 实验方法、方案的选择 根据题目所给仪器→确定实验方案(伏安法、安阻法、伏阻 法等)．
C．电流表A(0～0.6 A、内阻0.1 Ω)
D．电流表G(满偏电流3 mA、内阻Rg＝10 Ω) E．滑动变阻器R1(0～10 Ω、10 A) F．滑动变阻器R2(0～100 Ω、1 A) G．定值电阻R3＝990 Ω
H．开关、导线若干
基本实验要求 实验热点聚焦 拓展创新实验 随堂基础演练
(1)为了方便且能较准确地进行测量，其中应选用的滑动 变阻器是________(填写“R1”或“R2”)； (2)请在线框内画出你所设计的实验电路图，并在图中标
2．伏阻法：用一个电压表和电阻箱测量，电路如图7-5-5乙所 U1 U2 示，测量原理为：E＝U1＋ r，E＝U2＋ r，由此可求出 R1 R2 r和E，此种方法测得的电动势和内阻均偏小． 3．粗测法：用一只电压表粗测电动势，直接将电压表接在电 源两端，所测值近似认为是电源电动势，此时U＝ ≈E，需满足RV≫r. ERV RV＋r
(ⅰ)根据图7-5-9乙所示电路图，用笔画线代替导线，将图甲
中的实物图连接成完整电路．
图7-5-9
基本实验要求
实验热点聚焦
拓展创新实验
随堂基础演练
(ⅱ)闭合开关 S，调整电阻箱阻值 R，读出电压表相应示数 U. 该学习小组测出大量数据， 分析筛选出下表所示的 R、 数据， U 1 1 并计算出相应的R与U的值．请用表中数据在图 7-5-10 中的坐 1 1 标纸上描点，并作出U- R图线. R(Ω) U(V) 166.7 71.4 50.0 33.3 25.0 20.0 8.3 5.9 4.8 4.2 3.2 2.9
b1u2 reading (language points)(1)
Step 2: Important words
Word 1: 1.【教材原句】You may feel anxious about your changing voice, weight problems or spots. 翻译：你可能会担心你声音的变化、体重问题或青春痘。
1.She was anxious to know (know) what had happened. 2.He was anxious about/for his family，who were traห้องสมุดไป่ตู้elling abroad. 3.The couple are waiting for their daughter's call with anxiety .
我们班的每个学生都渴望上名牌大学。 1. Each student in our class has a desire to go to a famous university.(n) 2. Each student in our class desires to go to a famous university.
Timely practice
1. My mother always gets a little anxious if we don't arrive when we say we will. She will phone us and share her anxiety with us.(anxious) 2.[能力提升]——句式升级 I was told the Learning Center provides help for students and I'm anxious
Word 3 3.【教材原句】Just remember that it is completely normal to struggle .
B1U2 TRAVEL AROUND单词短语知识点背默单 学生版
1.2. 3. 申请 4.5. 6. n.(商品的) 纸包；纸袋；大包7. adj.令人惊奇的 8. adj.惊奇的；惊喜的 9. n.安排；筹备 10.adv.极其; 非常 11. n.来源；出处 12. 13. adj.平坦的; 扁平的n.公寓; 单元房14. adj.强有力的；有权势的； 15. n.帝国 16. n.皇帝17. n.地点；位置；现场 18. 控制; 接管19.adj.官方的；正式的;n.官员；要员20. 21. 22. n.空中航行; 航班；航程 23. n.住处；停留处；膳宿 24. adj. 唯一的；独特的 25. n.小路; 路线；道路 26.n.目的地；终点 27. 28. 29. n.建筑设计；建筑学 30. n.建筑设计师 31.n.资料(或广告)手册 32. 33. 包价旅游 34. v/n.联络；联系 35. n.文明；闻名世界 36. 构成；形成37. n.士兵; 军人 38.39. n.远足; 徒步旅行40. n.经济; 节约 41. adj.经济的; 经济学的 42. n.借款；信用; 称赞; 学分 43. 信用卡44. n.细节；详情；细微之处 45. (在旅馆、机场等) 登记 46. 结账离开(旅馆等) 47.n.(正式或礼貌的)要48. n.视野；景色；看法 49. n.景象; 视野; 视力 50.n.雕塑；雕像 51. abbr.公元前 52.53. 54.1.申请...2.向...申请3.让自己忙于4.把...应用于...5.把...涂抹到...6.付租金7.打包，收拾8.一包9.挤满了...10.对...感到惊喜11.做出安排12.安排某人去做某事13....的来源14.眯着眼15.心胸狭隘16.扁平（没气）的轮胎17.开始上台18.控制19.被视为...20.做...是某人通常做的21.对...是独一无二的22.通往...的路23.Other than/rather than24.羡慕某人...25.包价旅游26.目光接触27.和...保持联系28.make up/out29.去远足30.经济的发展31.信用卡32.某人值得表扬的是33.因...表扬某人34.详细地35.登记（入住等）36.结账离开37.在某人的请求/要求下38.请求做某事39.请求/要求做某事40.依照某人的看法41.View...as42.在视线里/外43.乍一看44.进入某人的视线1.__________________________2.__________________________3.__________________________4.__________________________5.__________________________6.__________________________7.__________________________8.__________________________9.__________________________10.__________________________11.__________________________12.__________________________13.__________________________14.__________________________15.__________________________16.__________________________17.__________________________18.__________________________19.__________________________20.__________________________21.__________________________22.__________________________23.__________________________24.__________________________25.__________________________26.__________________________27.__________________________28.__________________________29.__________________________30.__________________________31.__________________________32.__________________________33.__________________________34.__________________________35.__________________________36.__________________________37.__________________________38.__________________________39.__________________________40.__________________________41.__________________________42.__________________________43.__________________________44.__________________________45.in view of46.对...做出评论47.在国内外48.盼望着做某事49.On/off the coast50.在16世纪51.花费（时间，金钱等）做某事52.在某物上花费(时间，金钱等)53.由...制成54.单程/往返航班55.First/business/economy class56.single bed/double bed/king bed57.支付方式58.迫不及地去做某事59.因为...而著称60.在现代61.无法识别62.magnetic center63.Inca civilization64 economy---adj./adv.65 detail--adj.66 admire---adj/n67 recognize--n68 power---adj/adv69 amaze---adj/n70 extreme---adv.71 apply---n 45.__________________________46.__________________________47.__________________________48.__________________________49.__________________________50.__________________________51.__________________________52.__________________________53.__________________________54.__________________________55.__________________________56.__________________________57.__________________________58.__________________________59.__________________________60.__________________________61.__________________________62.__________________________63.__________________________64.__________________________65.__________________________66.__________________________67.__________________________68.__________________________69.__________________________70.__________________________71.__________________________Travel, in the younger sort, is a part of education; in the elder, a part of experience.。
高三物理一轮复习知识点梳理
高考物理第一轮复习资料（知识点梳理）力的种类: 说明：凡矢量式中用“+”号都为合成符号“受力分析的基础”重力：G = mg 弹力：F= Kx 滑动摩擦力：F滑= μN静摩擦力：O≤ f静≤ f m 浮力：F浮= ρgV排压力: F= PS = ρghs万有引力：F引=G m mr122电场力：F电=q E =q库仑力：F=Kq qr122(真空中、点电荷)磁场力：(1)、安培力：磁场对电流的作用力。
公式：F= BIL （B⊥I）方向:左手定则(2)、洛仑兹力：磁场对运动电荷的作用力。
公式：f=BqV (B⊥V) 方向:左手定则分子力：分子间的引力和斥力同时存在,都随距离的增大而减小,随距离的减小而增大,但斥力变化得快。
运动分类：（各种运动产生的力学和运动学条件、及运动规律）重点难点高考中常出现多种运动形式的组合匀速直线运动F合=0 V0≠0 静止匀变速直线运动：初速为零，初速不为零，匀变速直曲线运动(决于F合与V0的方向关系) 但F合= 恒力只受重力作用下的几种运动：自由落体，竖直下抛，竖直上抛，平抛，斜抛等圆周运动：竖直平面内的圆周运动(最低点和最高点)；匀速圆周运动(是什么力提供作向心力)简谐运动；单摆运动；波动及共振；分子热运动；类平抛运动；带电粒子在f洛作用下的匀速圆周运动物理解题的依据：力的公式各物理量的定义各种运动规律的公式物理中的定理定律及数学几何关系多个共点力作用于物体而平衡，其中任意几个力的合力与剩余几个力的合力一定等值反向匀变速直线运动：基本规律：V t = V0 + a t S = v o t +12a t2几个重要推论：(1) 推论：V t2 －V02 = 2as(2) A B段中间时刻的即时速度: (3) AB段位移中点的即时速度:V t/ 2 ==V Vt2+=st== VN ≤V s/2 =v vo t222+(4) 匀减速直线运动至停可等效认为反方向初速为零的匀加速直线运动.初速无论是否为零,匀变速直线运动的质点,在连续相邻的相等的时间间隔内的位移之差为一常数；匀变速直线运动的物体中时刻的即时速度等于这段的平均速度⑴是判断物体是否作匀变速直线运动的方法。
七年级上册Unit 2 人教版英语中考一轮复习(词汇+语法讲解)
一轮复习:七上U2 词汇+语法讲解【单词默写】【单词变形】【单词变性】day名词变形容词_____________________【一词多义】1. _____________ _____________________ ___________________ ________________Well, let’s talk about it next time.Mary does well in English.I don't feel very well today.You can get water in the well.2. have ________________ _______________ __________________ _________________ ________________I have a basketball.I had lunch just now.I want to have a cup of coffee.I don't have anything to do now.I had a great time in Shanghai last weekend.Mary has a great interest in learning English.My mother have me buy salt.The girl has the swing going all the time.I have my hair curled.3. of _____________ __________________ _______________My parents are proud of me.It is kind of you to help me.It is the picture of my father.I need to wear a pair of glasses every day.关于of的短语，请写出下列短语的意思speak highly of _____________ be proud of_____________be fond of_____________be made of_____________die of_____________hear of_____________think of_____________ be full of_____________ a pair of_____________a copy of_____________a series of_____________a set of_____________a piece of_____________get out of_____________be afraid of_____________look out of_____________run out of_____________take care of_____________remind sb. of sth. _____________make use of_____________dream of _____________【词汇用法】have: have lunch/have orange juice/have fun/have a great time/have time to do/have problems in doing sth./have done/have sb. do/have sth. done/have to do/have sb. doing sth.近义词辨析: have vs. with vs. there behave: vt. 某人拥有with: prep. 某人或某地拥有there be: 句型，某地存在有, 就近原则近义词辨析: make vs. have vs. let vs. gethave: 使… have sb. do sth./have sb. doing sth./have sth. Donemake: 使… make sb. do sth./make sth./sb. done 迫使，促使let: 使… let sb. do sth.允许get: 使… get sb. to do sth./get sth. done近义词辨析: have fun vs. have a good time vs. enjoy oneselfhave fun: have fun doing sth.have a good time: have a good time (in) doing sth.enjoy oneself: enjoy oneself 自我享受【攻占语法】指示代词一、指示代词的分类: 这个__________________, 这些______________________, 那个__________________,那些_________________________二、指示代词的位置: 放在______________________或者__________________前面三、指示代词的作用1. 指代作用1) 指代词The weather in Hangzhou is hotter than that in Dongbei.The books in Chinese are more understandable than those in English.The underlined word “this” refers to…2) 指代句子The underlined word “this/that” refers to…【词汇练习】1.They always help each other, like brothers and s ________.2.I don’t like t ________ clothes. Please show me those.3.People who eat a balanced diet should be healthier than t ________ who only eat biscuits and hamburger.4.People w ________ has the same disease may also be cured.5.The expressions they use might depend on w ________ they are speaking to or how well they know each other.6.Mr. Smith has two sons —Tom and Jim. So Tom is Jim’s b ________.7.My uncle and aunt have three children, so I have three c ________.8.Their d ________ is very lovely. Her parents love her very much.9. A week has seven d ________.10.He spent his childhood with his g ________, they brought him up.11.Halloween always reminds us o ________ ghosts, spiders, pumpkin lanterns and haunted houses.12.Don’t take p ________ in that house, it’s not polite.13.There are two family p ________ on my desk. In the first picture are my parents.14.My grandparent has two s ________, my father and my uncle.15.Linda is also my grandpa’s d ________. I call her aunt.【语法练习】There is a common belief in the U.K. that Americans don't understand irony(讽刺). This is of course not true. But what is true is that Americans don't use it all the time. Irony may show up in American comedies, but people there don't use it as much as the British do in daily life. However, irony is common in British culture. It actually runs in the blood of the British people. They use it as a way of playing with their friends and laughing at their enemies, as well as themselves, in everyday conversations. This may sometimes make people unhappy if the listeners are not used to it.1. What does "this" refer to in Paragraph 2"?A. There is a common belief in the UK.B. Americans don't understand irony.C. British humor is used by everyone.D. American don't use irony all the time.When coral reefs are healthy, they keep the sea environment(环境) balanced. But many things that people do are making the reefs sick. Some reefs are even starting to die. People are taking too many of some kinds of fish that live near reefs. If this goes on, these fish will die out. Pollution from ships or from rivers that run into the sea is hurting all reef life. Pollution from cars and industries brings global warming. This is making the sea water warmer. If the water becomes too warm, the coral will die off, and then many other sea plants and animals will die, too.There are ways to protect coral reefs and help them become healthy again:•Do things at home and at school that will reduce all kinds of pollution.•Don’t put anything that is not safe for the environment into rivers or the sea.•Try not to eat too much reef fish.•Let government know they need to do more to look after environment.•When going to a coral reef, don’t take coral away with you or leave any rubbish behind.2. The underlined phrase “This” means ____.A. pollutionB. cars and industriesC. global warmingD. the sea waterThe next time you find yourself disliking school, this will also help you: Make a list of everything you dislike or enjoy---when there is only one thing. See what you can change on “don’t like” list. Focus on what you can change and you might be able to put the good feeling back in school!3. The underlined word “this” in the last paragraph means____A. to talk to someone about your problemsB. to make a list of everything you dislike or enjoyC. to write down your feelings about schoolD. to put the good feeling back in schoolDo you struggle with music? Have you been given an instrument to play, but you just can’t play it? Maybe you think you’re just no good or that you don’t have any musical talent. Don’t get discourage. It’s not true! We all have music inside of us, even if it’s just what we listen to. Now it’s up to you to find the right way to set that free.4. What does the underlined word “that” refer to?A. Musical talent.B. An musical instrument.C. Music inside of you.D. Courage and confidence.No two days are the same in this job. Sometimes I am in the kitchen. Sometimes I’m out of the country to buy the raw material we need, and because I have a young family, that can be difficult. But I love this job. I like to live a different life every day. The question is that many people ask me if I get bored of chocolate. I work with it for a long time, but I never feel I don’t want to eat it. In fact, I often go home and eat some more in the morning!5. The underlined word “that” in Paragraph 4 means ____.A. eating too much chocolateB. going to another countryC. living a different life every dayD. working a long time in the kitchen【参考答案】day名词变形容词daily1. well 好吧(interj.) 好的(adv.) 身体好(adj.) 井(n.) Well, let’s talk about it next time.Mary does well in English.I don't feel very well today.You can get water in the well.2. have 有，吃，喝，有…可做，度过，在…方面有…，让某人做…，使…一致做，把…给怎么了I have a basketball.I had lunch just now.I want to have a cup of coffee.I don't have anything to do now.I had a great time in Shanghai last weekend.Mary has a great interest in learning English.My mother have me buy salt.The girl has the swing going all the time.I have my hair curled.3. of be+adj.+of(形容词的意思) it is +Adj. of sb. to do sth.(连接作用), a+单位+of(…的)My parents are proud of me.It is kind of you to help me.It is the picture of my father.I need to wear a pair of glasses every day.关于of的短语，请写出下列短语的意思speak highly of 高度赞扬be proud of对..感到骄傲be fond of对…感到喜爱be made of由…制成die of因…死hear of听说think of想起be full of充满a pair of一双，一对a copy of一份a series of一个系列a set of一副a piece of一片，一张get out of从…出去be afraid of害怕…look out of从…看出去run out of用完,用尽take care of照顾，照料remind sb. of sth. 提醒某人make use of利用dream of 梦想…一、指示代词的分类: 这个this, 这些these, 那个that, 那些those二、指示代词的位置: 放在句首或者名词前面【词汇练习】Sisters these those who whom brother cousins daughter days grandparents of photos pictures sons daughter【语法练习】BCBAC。
超实用高考英语二轮复习备考：词性转换课件
4.equip n. ~ment
15. detect n. ~ive
5. nutrition adj. nutritious
6. occupy n. ~pation 16. explain n. explanation 7. chemistry adj. ~mical
8. personal n. ~ity
10. observe n. ~vation 11. inspire n. ~ration 12. achieve n. ~ment 13. argue n. argument 14. intend n. intention 15. organize n. ~zation 16. emergent n. ~ency 17. consider n.~ation 18. entertain n. ~ment
B1U5-B2U1
1.selfish n. ~ness
10. equal n. equality
2. lawyer adj. lawful
11. survive n. survival
3. generosity n. generous 12. formal adj in~
4. v. guide n. guidance
6.major n. ~ity
16. long n. length
7.subjective adj. objective
8.pose n. positive 17. science adj. scientific
9. vary adj. various 18. analyze n. analysis
9. violence adj. violent
B2U2-U3
pete n. competition 9. simple v. simplify
恒定电流一轮复习
任意电路:P出=UI=P总-P内 纯电阻电路:P出=I2R=
第七章 恒定电流
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系列丛书
考点帮 必备知识通关
P出与外电阻 R的关系
电源的效率
任意电路:η= ×100%= ×100% 纯电阻电路:η= ×100%
第七章 恒定电流
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对电流表达式的理解
定义式 微观式
公式 I＝qt I＝nqSv
应用·实践 纯电阻电路相关实例:电饭锅、电炉、转子被卡住时的电动机等;
非纯电阻电路相关实例:电动机、电解槽、日光灯等.
第七章 恒定电流
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考点帮 必备知识通关
7.闭合电路欧姆定律的功率问题
电源总功率
电源内部消 耗的功率 电源的输 出功率
任意电路:P总=EI=P出+P内 纯电阻电路:E=I(R+r) P总=I2(R+r)=
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考点帮 必备知识通关
3.公式I= 、I= 及I=neSv的比较
I=
I=
含义
决定式.
定义式.
决定 因素
I与U、R有关.
适用 范围
纯电阻.
I与q、t无关. 任何导体.
I=neSv 微观表达式. I与n、e、S、v有关. 任何导体.
第七章 恒定电流
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系列丛书
考点帮 必备知识通关
4.电源电动势与电势差的区分和联系
B．常温下，若将金属丝从中点对折起来，电阻变为14R
C．给金属丝加上的电压逐渐从零增大到 U0，则任一状态下 的UI 比值不变
D．金属材料的电阻率随温度的升高而增大
电功率和热功率的计算
2014高考物理一轮复习(恒定电流)
第一部分恒定电流复习要点及参考题本章以电路为核心，研究串、并联电路中的电阻、电流、电压、电动势、电功率、能量的关系及电阻定律、欧姆定律、焦耳定律等知识点，侧重点为这些知识点在实际问题中的应用，而不是对基本概念的理解和辨析。
串、并联电路无须搞得太复杂，会对简单串、并联电路进行分析与计算即可。
尤其要重视是电学实验的复习。
1、从基本概念和基本规律入手，搭好电路的平台⑴直流电路基本概念：直流电路→电源→电动势→路端电压→电阻→电流→电压→电功→电功率→热功率→效率⑵基本规律：欧姆定律→闭合电路欧姆定律→电阻电律→焦耳定律→串、并联电路中的电阻、电流、电压、电功率的关系⑶基本概念和基本规律中的疑难问题：①电流的定义的理解与等效电流的计算问题，弄清电流的定义式、决定式及微观表达式等公式的物理意义，会计算通过导体横截面的电荷数②非纯电阻电路与纯电阻电路中的能量、电压、电流、电阻、电功率等概念的区别和规律的适用条件。
严格区别纯电阻电路与非纯电阻电路的关键在于电压、电流是否为所研究的电阻电压和电流。
③区分路端电压和电动势的关系2、从常考的重点题型和方法入手，掌握解题技巧和提升分析能力⑴有关电流的定义式、决定式及微观表达式等公式的正确运用及电荷量、电荷数的计算⑵闭合电路动态分析（程序法、直观法＜“串饭并同”＞、极限法等）⑶纯电阻电路与非纯电阻电路中与电功、电功率、电热有关的问题的综合分析⑷含电容器问题的综合分析⑸对伏安特性曲线的理解与运用①导体的伏安特性曲线②电源的伏安特性曲线弄清图像上的“点”、“线”、“截距”、“斜率”或“面积”的物理意义⑹电压表、电流表的原理，电路的故障分析与判断第一课时欧姆定律焦耳定律电阻定律【高考要求】1.电流Ⅰ2.欧姆定律Ⅱ3.电功电功率、焦耳定律Ⅰ4. 电阻定律Ⅰ要点一：对电流的定义式、决定式及微观表达式物理意义的理解电流定义式为I=q/t，I=U/R 微观量表达式为：I=nesv．方法点拨：公式适用范围字母含义公式含义定义式I=q/ t一切电路q:(1)是通过整个导体横截面的电荷量,不是单位面积上。
六上英语u1和u2的知识点
六上英语u1和u2的知识点以下是六年级上册Unit 1和Unit 2的英语知识点：Unit 1 How can I get there?1. 核心词汇near 在……附近far 远的ask 询问answer 回答restaurant 餐馆bank 银行post office 邮局hospital 医院turn 转向left 向左right 向右straight 直直地then 然后crossing 十字路口next to 挨着in front of 在……前面behind 在……后面on the left/right 在左边/右边2. 核心句型Excuse me, how can I get to the ...? 打扰一下，请问如何去……？ Turn left/right at the ...turning. 在第……个路口向左/右转。
It's ... from here. 从这里走……。
3. 其他知识点on foot 步行take the bus 乘公共汽车by train 乘火车go straight on 直直走in front of 在……前面behind 在……后面turn left/right 向左/右转next to 挨着Unit 2 Ways to go to school1. 核心词汇by (表示方式)乘（车）by bus 乘公共汽车by train 乘火车by ship 乘轮船by plane 乘飞机on foot 步行2. 核心句型I usually come/go to school by bike. 我通常骑自行车去上学。
How do you come to school? 你怎样来到学校的？3. 其他知识点in English 用英语（表达）in Chinese 用中文（表达）。
B1U2知识清单
Book 1 Unit2 知识清单一、词性转换1.argument n．争吵，争论；论点→argue vi.争吵，争辩，争论vt.说理，论证2.tension n．紧张关系；紧张；拉伸→tense adj.紧张的3.anxious adj.忧虑的，担心的；令人焦虑的；渴望的→anxiously adv.焦急地→anxiety n．担心；焦虑；渴望4.anger n．怒气；怒火→angry adj.生气的→angrily adv.生气地5.mental adj.思想的，精神的，智力的→mental ly adv.精神地→physically身体地6.desire n．&vt.渴望，愿望→desirable adj.值得做的7.calm vt.使平静，使镇静adj.镇静的，沉着的→calmly adv.镇静地8.concern n．担心，忧虑vt.涉及；让(某人)担忧→concerned adj.担心的→concerning prep. 关于；就……而言9.normal adj.正常的，一般的n．常态，通常标准→normally adv.正常地-abnormal反常的10.stress n．精神压力，紧张；强调vt.强调，着重→stressed adj.紧张的→stressful adj.令人紧张的11.design vt.设计；制订n.设计；设计艺术→designer n．设计师12.performance n．表现；表演；执行，履行→perform vt.表演，表现→performer n.执行者，履行者；表演者13.press vt. & vi.催促，逼迫；按，压n．报章杂志，报刊；(the press)新闻工作者，新闻界→pressure n．压力14.eager adj.热切的，渴望的，渴求的→eagerly adv.渴望地→eagerness n.热切；渴望地15.secure adj.安心的；可靠的；牢固的→security n．安全16.graduate vi. & vt.毕业n．毕业生→graduation n．毕业17.gather vi.聚集，召集vt.收拢；搜集，收集；聚集→gathering n．聚会；集会18.volunteer vi. & vt.自愿做，义务做→voluntary adj.志愿的→voluntarily adv.自愿地；主动地19.operation n．手术；运转，操作→operate v．操作；运转；手术20.response n．回复；反应，响应→respond vi.回答；响应21．anger n．怒气，怒火→angry adj.生气的；恼火的22．edit v．编辑→editor n．主编，编辑；剪辑师→edition n．版(本)；版次23.likely adj.可能的，预料的，有希望的→unlikely adj.不可能的→unlike prep.不像；与……不同24.adventure n冒险→adventurer n冒险家25.flexible adj灵活的→ flexibly adv灵活地→flexibility n灵活性26.emergency n紧急情况，突发事件→emergent adj紧急的二、重点短语1.see eye to eye with sb. (on sth.)(在某事上)与某人看法一致2.shoot up 快速长高，蹿个儿3.calm down 平静，镇静，安静4.from one’s point of view 从某人的角度、观点出发5.think sth. through充分考虑，全盘考虑，想透6.back down承认错误，认输7.go through经历，遭受8.deal with处理9.turn into变成10.result in 导致11.leave...behind 落下12.on one’s own 独立地13.on (the) one hand一方面on the other hand 另一方面14.lead to 导致15.take action 采取行动16.disagree with不同意……17.work together 合作18.turn out 结果是19.cheer up(使)变得高兴，振奋起来20.be on sb.’s back about sth. 缠磨，烦扰21.draw sth. out of sth.提取，支取22.look through浏览23.give out公布24.all the time一直25.leave... alone让……一个人待着26take a break 休息27.once in a while 偶尔28.care about在乎，关心29.protect... from... 保护……免受……30.count out 数出31.look up 抬头32.graduate from毕业于……33.gather around聚拢34.take down拿下35.write down写下，记下36.give up 放弃37.depend upon/on 依靠38.for the first time第一次39.argue with sb about/over sth 与某人就某事争辩argue for/against... 赞成/反对……argue sb into/out of doing sth 说服某人做/不做某事persuade sb to do 说服……做……=persuade sb into doing=talk sb into doing40.desire to do sth渴望做某事desire that...(should) do sth 渴望……41.be concerned about/for 关心；担忧；挂念be concerned with sth.牵涉到；与……有关show concern for...对……关切；关心as/so far as …be concerned 就…而言42.It is likely that---很可能--- Sb/sth is likely to do ---很可能---（Possible/probable 的主语一般只能是it）43.be eager for sth.渴望得到--- be eager to do sth.渴望去做----44.account for占；说明；导致on no account 绝不on account of 因为；由于=because of =owing to =thanks to =due totake account of=consider考虑take sth into consideration/account把……考虑进去27.on the scene在现场behind the scenes在后台，在幕后；暗中y/place/put stress on强调；着重于under the stress of在……压力下；为……所迫29.be designed for打算作……用；为……而设计be designed to do sth目的是做某事，被设计用于做某事by design＝on purpose故意地，蓄意地=deliberately30.There’s no point in doing sth.做某事是没有意义的。
人教版新教材高中英语必修一全册单词语境记忆(复习必背)
人教版新教材必修一单词语境记忆B1U1Max is an exchange student from the UK.The first day,after a welcome speech in the lecture hall,he went to register his personal information, which included name,sex,nationality,email address,etc.He was curious about everything new on campus,whose style of design was very special.There was a lot for him to explore.Though he was outgoing,he was quite annoyed because he didn't know how to greet in a formal way.He felt awkward and anxious.And he was frightened that he would give others a bad impression.When doing an experiment in the school lab at eight a.m.,he lost confidence,for he couldn't perform it wonderfully.After all,learning at senior high school was different from that in junior high school.What if he fell behind other guys and girls?His partner told him to concentrate on the meaning of whole sentences while listening to the lectures.Another strategy was to take notes and regularly revise what had been learnt.With the company of the female partner,he set a new goal at last.He looked forward to joining an organization to improve himself.He was confident that his dream would come true.Max是来自英国的交换生。
大学英语b1u2_教案
一、课题大学英语B1U2二、教学目的1. 帮助学生掌握本单元的核心词汇和短语。
2. 提高学生的阅读理解能力，能够理解并分析文章的主旨和细节。
3. 培养学生的写作能力，能够运用所学词汇和语法知识撰写短文。
4. 增强学生的口语表达能力，能够就本单元主题进行讨论。
三、课型综合课四、课时2课时五、教学重点1. 词汇：掌握本单元的核心词汇和短语。
2. 阅读理解：理解文章的主旨和细节。
3. 写作：运用所学词汇和语法知识撰写短文。
4. 口语表达：就本单元主题进行讨论。
六、教学难点1. 词汇的记忆和应用。
2. 阅读理解的技巧和方法。
3. 写作中语法结构的正确运用。
4. 口语表达中的流畅性和准确性。
七、教学过程第一课时（一）导入新课1. 利用图片、视频等媒体展示本单元主题，激发学生学习兴趣。
2. 通过提问，引导学生回顾上节课所学内容。
（二）词汇教学1. 介绍本单元核心词汇，如：preference, diverse, essential, incorporate, etc.2. 通过例句和练习，帮助学生理解词汇含义和用法。
3. 组织词汇游戏，巩固词汇记忆。
（三）阅读理解1. 预览文章，了解文章大意。
2. 分组讨论，分析文章结构和段落大意。
3. 逐段阅读，解答问题，加深对文章的理解。
（四）小结1. 总结本节课所学内容。
2. 布置课后作业。
第二课时（一）复习上节课内容1. 回顾核心词汇和短语。
2. 检查学生的阅读理解能力。
（二）写作指导1. 分析本单元主题，确定写作思路。
2. 指导学生运用所学词汇和语法知识撰写短文。
3. 学生练习写作，教师个别指导。
（三）口语表达1. 分组讨论，就本单元主题进行交流。
2. 模拟情景，进行口语练习。
3. 学生展示，教师点评。
（四）小结1. 总结本节课所学内容。
2. 布置课后作业。
八、板书设计1. 核心词汇：preference, diverse, essential, incorporate, etc.2. 阅读理解技巧：主旨大意、段落大意、细节理解。
高一英语必修一复习讲义(教师版)
高一英语复习讲义 B1U1一.重点单词1._amaze__vt.使惊奇;使惊诧→__amazing__ adj.令人大为惊奇的，令人惊喜的→_amazed__ adj.大为惊讶的→ ___amazement___ n.惊讶;惊奇2. __advance_ n.进步,进展;前进,行进 vt.&vi.发展→ __advanced__ adj.高级的,先进的→_advancement_ n.发展3._acquire_vt.获得，得到→_acquired_ adj.已获得的→_acquisition_n.取得4._challenge _→vt.&n.挑战;质疑_challenging_ adj.具有挑战性的5._equal_adj.相等的;平等的;相当的vt.比得上(be ~ to) (反 unequal)→_equally_ adv.同样地;平等地;另外→_equality_ n.平等;相等(反 inequality)6._independent_ adj.自主的，有主见的;自立的(be ~ of不依赖)→_independence_ n.独立;自主→_independently_ adv独立地;自主地7._responsible_adj.有责任的，负责;可靠的(反 irresponsible)→_responsibility_ n.责任;义务8._propose_vt.提议，求婚→_proposal_ n提议，建议，动议9._alarm _ n闹钟;恐慌vt.使惊恐→_alarmed_ adj.惊恐的→_alarming_ adj.使人惊恐的10. _contribute__ v. 捐献; 贡献→ _contribution_ n. 贡献;捐款;捐赠→_contributor__ n.捐献者;投稿人11._fortune _ n. 运气, 财富 (反 misfortune)→_fortunate_ adj.幸运的(反 unfortunate)→_fortunately_ adv.幸运地(反 unfortunately)12._option_ n.可选择的事物，选择;选修课→_optional__ adj.可选择的(反 pulsory courses必修课)13._attract__ vt.吸引;招引;引起（反应）→ _attractive_ adj.吸引人的→ _attraction_n.有吸引力的事物二.重点短语1.迫不及待做某事can’t wait to do2.最后但同样重要的last but not least3.努力做某事make efforts to do4.对…负责be responsible for5.有机会做某事have an opportunity to do6.同等重要的 be of equally importance7.对…有信心be confident of/about= have confidence in8.起作用,有影响make a difference to9.独立于,不依靠be independent of10.利用take advantage of= make use of11.坚持,固守stick to12.积极参与take an active part in13.集中精力,关注于focus/concentrate on14.提醒某人某事remind sb of sth（使某人回忆起）15.以…为基础be based on16.作为…的交换in exchange for17.别无选择只能做…have no choice/option but to do18. lead to 导致，通向19. lie in 在于，位于20. rise to the challenge 奋力迎接挑战21. make a difference to 起作用，有影响22. most importantly 最重要的是23. as a result of 由于，因为24. a time of learning and discovery 学习和发现的时期25. put simply 简言之26. in the years ahead 在未来的几年三.单词拼写（根据首字母或汉语提示完成句子）1. As a _potential_（有潜力的） candidate, you are supposed to find approaches to achievingyourselves.2. We must make the most efficient use of the available financial _resources_ （资源）.3. Take advantage of your classes, learn from your teachers and classmates, and make use of our school _facilities__（设施）.4. His p roposal_____ （建议） that the system should be changed was rejected.5. It will help you bee more patient and _focused___.（目标明确的）6. _Fortunately_（幸运地）, Pakistan didn't have to fight alone against the COVID19 pandemic, with China extending a helping hand.7. Experience is what mattersage is of _secondary_ （次要的） importance.8. What he did at the party seemed to be contrary to his _character__ （性格）.9. A mazingly___, the trees grow in such a way that their leaves and branches, although close together, never touch one another.10. It was reported that the doctor had acted r esponsibly_.11. I chose it as a gift to show my appreciation and as a r eminder__ of my unforgettable timehere with you.12. We examined the wording in d etail__ before deciding on the final text.13. He promised to help us and he s tuck__ to his words.14. There is no point e xchanging_ a pletely physical job for a holiday full of physical activity.15. We will make greater c ontributions__ to world peace and development.16. They are so a ttractive_ that they attract millions of tourists from all over the world everyyear.17. The rainforest in Brazil is reducing at an a larming_ rate.18. B ased_ on the above, I hope more and more students will join in this activity.高一英语复习讲义 B1U2一.重点单词1. roof n.屋顶,顶部 _roofs__（pl.）2. argue vi.争吵,争辩,争论 _argument_ n.3. anger n. 怒气,怒火 __angry_ adj. 愤怒的,生气的;4. desire n.&vt.渴望,希望_desired_ adj.希望实现的,期望得到的 _desirable_ adj. 令人向往的，值得拥有的5. regular adj. 频繁的;有规律的 _regularly_ adv. 定期的,有规律的;频繁的_irregular_ adj.无规律的，不定期的;不平整的，不整齐的;不正常的6. concern n.担心;关心 vt.涉及;让（某人）担忧 _concerned_ adj.相关的(be ~ with);担心的，焦急的(be ~ about);关注的，感兴趣的 _concerning_; prep. 关于，涉及7. normal n.通常标准adj.正常的,一般的_abnormal_ adj.反常的8. stress n.精神压力,紧张;强调 vt.强调,着重_stressed_ adj.焦虑的，紧张的 ;重读的_stressful_ adj.紧张的，压力大的9. skin n.皮肤;（兽）皮,皮毛 _skinny_ adj. 皮包骨的,极瘦的10. likely adj. 可能的,有希望的 _unlikely_ adj. 不太可能的,没希望的11. performance n.表现;表演;执行_perform_ vt. & vi. 表演;执行;运转 _performer__ n.表演者12. eager adj. 热切的, 渴望的, 渴求的 _eagerly__ adv. 急切地;渴望地 __eagerness__ n. 渴望，热心13. adventure n. 冒险, 冒险经历, 奇遇 _adventurer__ n.冒险家 _adventurous_ adj. 有冒险精神的，大胆开拓的14. flexible adj.灵活的,可变动的;柔韧的 _flexibly__ adv.灵活地_flexibility_ n.灵活性15. secure adj. 安心的;可靠的;牢固的（v.获得） _insecure_ adj.不安全的 _securely_ adv. 安全地 _security__ n.安全16. graduate vi.&vt. 毕业 n.毕业生 __graduation_ n. 毕业n.毕业;毕业典礼17. volunteer vi.&vt.主动建议（或告诉）;自选做,义务做(~ to do 自愿做) n.志愿者_voluntary_ adj.自愿的，自发的;志愿的，义务性的二.教材语块梳理1.（在某事上）与某人看法一致see eye to eye with sb on sth2.快速长高，蹿个儿shoot up (过去式shot, 过去分词 shot)3.平静，镇静，安静calm down4.从某人的角度、观点出发from one’s point of view5.充分考虑，全盘考虑，想透think through6.承认错误，认输 back down7.（使）变得高兴，振奋起来cheer up8. 缠磨，烦扰be on one’s back about sth9.清点，不把…算在内count out10.提取，支取draw sth out of sth11.火爆的争吵和冰冷的沉默heated arguments and cold silences12.经历一个快速发展的时期go through a period of rapid development13.导致这样紧张的家庭关系result in such family tensions14.担心某事 be anxious/concerned about= show one’s concern for15.身心健康physical and mental health16.渴望独立have a desire for independence17.维持和平的关键the key to keeping/maintaining peace18.结果是/最后都会好转turn out to be fine19.…做某事是可能的It’s likely that…20.做某事是没有意义的。
2014年 人教版 英语一轮复习 b1 u2祥解
1． add
up
用 add 相关短语的适当形式填空
Add up 2 and 3 and you'll get 6. (1)________1, add up 合计；将……加起来 adds up to this: he didn't murder the (2)The evidence really ___________ man. add up to 合计；总计；意味着 added to our difficulties. (3)That day the bad weather ________ add to＝increase 增加；增添 add the milk ___the to (4)Please____ coffee. add A to B 将 A 加到 B 里面
(5) discover vt.
发现
1．concern vt. (使)担忧；涉及；关系到(利害)关系
n．担心；关注；
【联想拓展】 concerned adj. 担心的；忧虑的 concerning prep. 关于；涉及
运用 完成句子
(1)父母亲总是非常挂念他们的子女。 are always very concerned about/for their sons and Parents _____________________________ daughters. be concerned about/for (2)据说，他与该谋杀案有牵连。 was concerned with/in the murder case. It was said that he ____________________ be concerned with/in (3)就我个人来说，你喜欢怎么做就怎么做。 As far as I'm concerned ______________________ you can do what you like.
物理高考一轮复习必备知识点(电学)
电学一、静电场：静电场：概念、规律特别多，注意理解及各规律的适用条件；电荷守恒定律，库仑定律1.电荷守恒定律：元电荷191.610e C -=⨯2.库仑定律：2Qq F Kr= 条件：真空中、点电荷；静电力常量k=9×109Nm 2/C 2三个自由点电荷的平衡问题：“三点共线，两同夹异，两大夹小” 中间电荷量较小且靠近两边中电量较小的；313221q q q q q q =+常见电场的电场线分布熟记，特别是孤立正、负电荷,等量同种、异种电荷连线上及中垂线上的场强分布,电场线的特点及作用.3.力的特性(E)：只要有电荷存在周围就存在电场 ，电场中某位置场强：qFE =（定义式）2KQ E r =（真空点电荷） d U E = （匀强电场E 、d 共线）4.两点间的电势差：U 、U AB ：(有无下标的区别)静电力做功U 是(电能⇒其它形式的能) 电动势E 是(其它形式的能⇒电能)Ed -qW U B A BA AB ===→ϕϕ＝－U BA ＝－（U B －U A ）与零势点选取无关) 电场力功W=qu=qEd=F 电S E (与路径无关) 5.某点电势ϕ描述电场能的特性：qW 0A →=ϕ(相对零势点而言) 理解电场线概念、特点；常见电场的电场线分布要求熟记，特别是等量同种、异种电荷连线上及中垂线上的场强特点和规律6.等势面(线)的特点，处于静电平衡导体是个等势体,其表面是个等势面,导体外表面附近的电场线垂直于导体表面(距导体远近不同的等势面的特点?)，导体内部合场强为零,导体内部没有净电荷,净电荷只分布于导体外表面；表面曲率大的地方等势面越密,E 越大,称为尖端放电。
应用：静电感应，静电屏蔽7.电场概念题思路：电场力的方向⇒电场力做功⇒电势能的变化(这些问题是电学基础) 8.电容器的两种情况分析始终与电源相连U 不变；当d 增⇒C 减⇒Q=CU 减⇒E=U/d 减 仅变s 时，E 不变。
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Why not?
为什么不？ 用于同意、赞成别人的某种提议
考题攻关
—How about putting some pictures into the report? — A picture is worth a thousand words. A. No way. B. Why not?
C. All right? D. No matter.
绝不，一点也不 在去…的路上,即将到来 顺便说，问一下
经由… 途经… 通过…方法
一直，总是
注意：
the way+定语从句, the way 是先行词并在从
句中作状语时，引导词的三种情况：
1)the way + in which 2) the way + that 3)the way + 从句(省略that或in which)
我喜欢他谈话的方式。
I like the way in which he talks. I like the way that he talks. I like the way he talks.
考题攻关
What surprised me was not what he said but _____ he said it. A. the way B. in the way that C. in the way D. the way which
More than 也可修饰名词，动词，形容词， 意思是“不仅仅”“不止于”“非常”
我认识汤姆有二十多年了。
She is more than a teacher to the children. She loves them as if they were her own children.
The little boy can more than read. He can write. They were more than excited to see the film star.
3. in some ways in many ways in other ways
在一些方面 在许多方面 在其它方面
in a/some way 在某种程度上 in this way 用这种方法
in the/one’s way 挡道，碍事
in no way on the/one’s way by the way by way of all the way
1.Differences between BrE and AmE BrE AmE elevator lift rubber eraser petrol gas, gasoline underground subway fall autumn movies pictures mail post
BrE flat rubbish dustbin holiday fortnight university sweets
AmE dance[dæns] dance [da:ns] not [na:t] not [not] in a team on a team in the street on the street at the weekend on the weekend in the playground on the playground a quarter past five a quarter after five
4.
be different from differ from
ቤተ መጻሕፍቲ ባይዱ
与…不同
都市生活与乡村生活迥然不同。
City life is different from country life. Leaves are found on all kinds of trees, but they differ greatly ______size and shape. A. on B. from C. by D. in be different in 在….方面不同 make a difference 有关系，有影响，起作用
BrE
2. more than one + 单n “不止一个…”
作主语时， 谓语动词常用单数。 不止一个人有这本书。
More than one person has this book.
表示“多于…”
more than ＋数词
“over”
I have known Tom for more than 20 years.
5. 6. 7.
each other one another
彼此，相互 去看电影
go to the pictures/movies
by underground/subway 乘地铁 take the underground/subway 8. Why not + do…? （建议）去做…吧？ 为何不…呢？ Why don’t you do…?
once more no more
再一次
不再… 而且，另外，更重要的是
越来越 （多）…
What’s more more and more more or less
或多或少，左右，大约，差不多
考题攻关
When the teacher told the boy’s father what he had done at school , the father was angry. A. more than B. other than C. less than D. rather than
考题攻关
—We could invite John and Barbara to the Friday night party. —Yes, ______ ? I’ll give them a call right now. A. why not B. what for C. why D. what
Can you list some
countries that use
English as an official language Australia
New Zealand
Which country do you think has the most English learners
Warming up
no more than + 数词 “仅仅” not more than+数词 “最多，不超过”
“比…更…”“与其说…不如说…” more… than…
no more…than… …和…一样不（都否定） not more…than… …不如…,(前者不如后者)
Jack is no more clever than Tom. Jack is not more clever than Tom.
Task-based Reading
AmE apartment(公寓) garbage(垃圾) trash can(垃圾箱)
vacation two weeks college candy
BrE colour humour labour neighbourhood traveller theatre kilometre
AmE
color humor labor neighborhood traveler theater kilometer