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2013届英语一轮复习名师教学课件:UNIT3《COMPUTERS》(新人教版必修2).ppt

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1、话题:现代技术常用词汇:science and technology 科 学 技 术 computer电 脑 Internet 网络 computer games 电脑游戏 email 电子邮件information信息 message消息 screen屏幕 mouse鼠标 apply 应用 application 应用 invent 发明 invention 发明 electronic 电 子 的 laptop 手 提 电 脑 equipment 设 备 equipwith 装备 software 软件 data 数据 database 数据库 robot 机器人 satellite 卫星

2、battery 电池 chip 芯片 digital 数据的 fax 传真 portable 手提的engineer 工程师 update 更新 download 下载 net 网 network 网络系统 virus 病毒 access 进入 scan 浏览 store sound and picture digitally 自动贮存声音和图片 deal with 处理 the latest version of the software 最新版的软件 surf the Internet上网 shop on line 网上购物范例:The Advantages and Disadvantag

3、es of the InternetThe following aspects could best illustrate the advantages of the Internet.Net surfers(网上冲浪者)in different countries can share interesting knowledge and the latest information.Besides,the Internet has provided a major opportunity to buy and sell merchandise(商品)What is more,people ma

4、y get medical help or even vote on the Internet.Its advantages seem countless.Behind all this glowing talk,however,are some problems.Internet makes people passive by stopping them making their own entertainment.So much that when there is a breakdown or jam,people may find that World Wide Web turns i

5、nto WorldWide Wait.What is worse,some children have access to the scenes of violence and sex.Apart from these,it can be affected by viruses(病毒)and hackers(黑客)We should handle its problems,meanwhile we should exploit its potential as well.With proper management of the Internet people ought to experie

6、nce more fruits of the information revolution.All the wisdom of the ages,all the information that has enlightened mankind for centuries,should be available to us with the healthy development of the Internet.一、单词识记根据词意写出单词的汉语意思或写英文单词。1金融;财政 n._2应用;用途;申请 n_3现实;事实 n_4智能的;聪明的 adj._5人工的;假的 adj._6技术;工艺;科技

7、 n._7简化 vt._8普遍的;宇宙的;通用的 adj._9计算 vt._10病毒 n_financeapplicationrealityintelligentartificialtechnologysimplify universalcalculatevirus11character n_12appearance n_13electronic adj._14arise vi._15signal vi./n._16download vt._17happiness n_18goal n_19explore v_20mobile adj._性格;特点 外貌;出现电子的出现;发生发信号;信号下载

8、快乐;幸福目标;目的;球门;得分 探索;探究可移动的;机动的二、词汇拓展用括号内所给词的适当形式填空。1_ speaking,Im in favor of the scheme.(person)2As the wages were low,there were few _ for the job.(apply)3There is no point in keeping up _ when everyone knows were nearly bankrupt.(appear)4 _ the thing he was worried about never happened.(happy)5 I

9、 can use a word processor but I dont know its _.(operate)PersonallyapplicantsappearancesHappilyoperation三、词组互译将下列词组译成英语或中文。1技术革命_2毕竟_3打一场足球赛_4获得第二名_5用计算机语言_6从那时开始_7一个忠实的朋友_8公众舆论_9与分享知识_10未知病毒_a technological revolutionafter allplay agame of footballwin second placein computer languagefrom then ona d

10、evoted friendpublic opinionshare ones knowledge withan unknown virus11deal with_12give it away to a local school _13make up _14watch over_15be crazy about radios _16make a decision _17be filled with happiness_18my goal is to do sth._19compare A with B _20with the help of_处理把它捐给当地一所学校编造,化妆监视对无线电着迷作出决

11、定充满快乐我的目标是做拿 A 与 B 进行比较在的帮助下四、单元重点句子填空根据句子结构或语法要求填空。1By the 1940s I _(grow)as large as a room.2With the help of my electronic brain which never forgets anything,_(use)my intelligence is what Im all about.3Since the 1970s many new applications _(find)for me.4I have also been put into robots and _(use

12、)to make mobile phones as well as help with medical operations.5I developed very slowly _it took nearly two hundred years _ I was built as an analytical machine.had grownusinghave been foundusedandbefore6I am now truly filled with happiness _ I am a devoted friend and helper of the human race.7I was

13、 always so lonely standing there by myself,_ in the early 1960s they gave me a family connected by a network.8I would really like to play against a human team,_I have been programmed to act just like them.9I could“think”_(logic)and produce an answer quicker than any person.10_ the football team Im a

14、 _(strike)so I have to be able to run very fast.that until forlogicallyOnstriker五、课文内容理解根据课文内容,请用适当的词或短语的正确形式填空。The computer began as a 1._ machine in France in 1642.It could 2._ difficult sums.About 200 years later Charles Babbage improved it into an analytical machine.After it was programmed by an

15、 operator,it could think 3._,which was considered a 4._ revolution at that time.In 1936,the Father of Computers,Alsn Turing,wrote a book about how computers could be made to 5._ any difficult maths problems.In the 1940s,the computer was as large as a room.As time 6._,calculatingsimplifylogicallytech

16、nological solvewent bythe computer was made smaller and smaller,first as a PC and then as a laptop.First the information was stored in tubes and then on transistors and later on small 7._.In the early 1960s,computers were first connected by a 8._.Since the 1970s many new 9._ have been found on compu

17、ters.Computers have even been put into rockets and sent to 10._ the Moon and Mars.chipsnetworkapplicationsexplore六、单元语法复习将所给出的直接引语变为间接引语。1An unknown virus has just attacked my computer.My computer _ just _ an unknown virus.2We have not solved the problem yet.The problem _ by us yet.3A kind of intell

18、igent robot _(develop)by the scientists recently.4Im told that the computers _(give)away to a local school.5A large amount of money _(collect)to help the poor homeless children in the past weeks.hasbeen attacked byhas not been solvedhas been developedhave been givenhas been collected1sumn总数;算术题;金额vs

19、um up 总结;概括sum of sth.的金额;总数in sum 简言之;总而言之运用:完成句子1)他被处于 200 美元的罚金。He was fined _.2)5 加 6 的和是 11。_ is 11.3)总之,计划告吹了。_,the plan failed.4)现在把你的观点用几句话概括一下。Now _ in a few words.the sum of 200 dollarsThe sum of 5 and 6In sumsum up your views2solve vt.解决;解析solution to sth.的答案/解决办法运用:完成句子1)请帮我解决经济困难。Please

20、 help me _.2)她经济困难无法解决。She can find _.to solve my financial troublesno solution to her financial troubles3goal n目标;球门;(进球)得分pursue/reach/attain ones goal in life 追求/达到/实现某人的人生目标score/kick a goal 得(踢进一球得)一分win the game by three goals to one 以三比一获胜4common adj.普通的;常见的common sense 常识common people 普通老百姓c

21、ommon interest/purpose 共同兴趣/目的have sth.in common(with)与有共同之处运用:完成句子1)我的看法与他们的有许多相同之处。My idea_.2)两人一组讨论他们的共同点。In pairs discuss what they have_.【答案】1)has a lot in common with theirs 2)in common5arise vi.出现;发生(arose;arisen)arise from 由引起运用:完成句子1)疏忽大意往往会引起事故的发生。Accidents _ carelessness.2)新的困难出现了。A new d

22、ifficulty _.【答案】1)arise from 2)has arisen1as a result 结果as a result of 由于的结果运用:完成句子1)他工作努力,因此受到所有同事的赞扬。He works very hard,and _,he is praised by all his colleagues.2)由于大雾,所有航班都被迫取消。_,all the flights had to be cancelled.【答案】1)as a result 2)As a result of the heavy fog2in a way 在某种程度上;用一种方式运用:完成句子1)在某

23、种程度上,我们的程序员就像我们的教练。_,our programmer is like our coach.2)在会上,她以一种大家从未料到的方式发言。She spoke at the meeting _.联想:in the way 挡道by the way 顺便说on the way 在途中in this way 用这种方法in no way 决不by way of 途经In a wayin a way that was quite unexpected运用:用适当的介词填空3)A heavy storm is _ the way.4)The changes are an improveme

24、nt _ a way.5)_ the way,why not drop in for a drink this evening?6)_ no way am I responsible for what has happened.7)The next flight doesnt go direct to Rome;it goes _ way of Paris.oninByInby3make up 构成;化妆;捏造;补足(时间或金钱)运用:完成句子1)你必须把你今天下午浪费掉的时间弥补上。You must _ that you have wasted this afternoon.2)六女九男组成

25、了这个委员会。Six women and nine men _.3)如今很多妇女在出门前都要化妆。Many women prefer _ these days before going out.make up the timemake up the committeemaking up拓展:make for 走向make from 由制造make into 把制成make of 用做成make up for 弥补;补偿make use of 利用4deal with 对付(与 how 连用);涉及;与有生意往来do with 处理;对付(与 what 连用)运用:完成句子1)你怎么对付那些吵闹

26、的孩子的?_ those noisy children?2)我与这家商店有 20 年的生意往来了。Ive _ for twenty years.3)汤姆的上一篇文章是论述教学法的。Toms last article _.【答案】1)How do you deal with/What do you do with2)dealt with this shop 3)deals with teaching methods5watch over 看守;监视She promised to watch over his child.她答应照看好他的孩子。拓展:watch out(for)小心;提防watch

27、 sb.do/doing sth.看着某人做/正在做某事on watch 值班keep watch(for)注视或监视1I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.Ittake/besome timebefore 要花多长时间才Itnottake/besome timebefore 不久就;过不了多久就运用:翻译下列句子1)一切要在两周后才能恢复正常。2)用不了多久我们就会见面的。3)又过了七

28、年他们才结婚。【答案】1)It will be two weeks before everything returns to normal.2)It wont be long before we meet again.3)After that it still took seven years before they got married.2As time went by,I was made smaller.as 引导的时间状语从句表示主从句的动作或状态同时发生,意为“随着”或“当时候”。运用:完成句子1)随着年龄增长,他变得更有魅力。He gets more attractive _.2

29、)当我坐进车里时,发现座位下有张纸。_,I found a piece of paper on the floor.【答案】1)as he gets older 2)As I was getting into the carOver time my memory has developed so much that,like an elephant,I never forget anything I have been told!结构分析:本句是由 sothat连接的复合句,that 后的结果状语从句中又含有一个省略了 that 的定语从句 I have been told;另外,like a

30、n elephant 为插入语,故前后用逗号分开。一、语法填空。1_ history of computer began in 1642 in France.It was first built only as a calculating machine,2._ later as an analytical machine that could“think”logically and produce an answer quicker than 3._ person.Still later,the“universal machine”was built 4._(solve)mathematic

31、al problems,5._ made computer huge!6._ the years have gone by,computer has been made smaller,quicker and cleverer.Later,computers 7._(connect)by a network and brought 8._ common peoples homes to deal with information and help 9._(communicate)between people around the world.Since 10._ birth,computer

32、has always been designed to serve the human race.Theandanyto solvewhichAswere connectedintocommunicationits二、基础写作:尽可能用本单元学过的词或短语翻译下列句子,然后将这些句子连成一篇由 5 个句子组成的意义连贯的短文。1在科学技术的帮助下,我们人类现在过着比以往更幸福的生活。2以电脑的发明为例,它不仅帮助我们解决数学难题,而且我们也能把信息输进电脑通过网络与别人进行交流。3另外,它还可以在程序员的操作下取代我们处理很危险的工作。4在某种程度上,他们的优势超过人类的优势,这就是为什么人类

33、创造出一些有人工智能的机器人来帮助我们人类的原因。5然而,一些人担忧在高科技的滥用中会出现危险的问题。6在我看来,有科学家的密切监控,人类一定能克服技术上的不足,使电脑更好地为自己服务。【答案】With the help of science and technology,human race is now living a much happier life than before.Take the invention of the computer for example,it not only helps us solve mathematical problems,but we can

34、 type any information into it to communicate with others in the world by the network;besides,it can replace us to deal with many dangerous situations under the programmers control.In a way,its advantages are over humans,and this is why people create some robots with artificial intelligence to help u

35、s human beings.However,some people are worried that dangerous problems will arise from any over-usage of high-tech.Personally,with the scientists watching the computer over closely,human beings are sure to make up technological shortcomings and make it serve themselves better.写作句子成分分析(七)状语(adverbial

36、)(B)状语的分类:状语按用途可分为:地点、时间、原因、目的、结果、条件、让步、程度、方式、伴随情况等十类。1地点状语,多置于句末:The students are doing their homework in the classroom.2时间状语,多置于句末或句首:I learned a lot from the peasants when I lived in the countryside.3目的状语,多置于句末:Did you come to London for the purpose of seeing your family?4原因状语,多置于句末:He was unable

37、 to finish the book for reasons of health.5结果状语:She woke suddenly to find someone standing in the doorway.6程度状语,单词多置于所修饰的句子成分前或后,短语和从句一般置于其所修饰的句子成分之后:I nearly forgot what he had promised.At that time politicians were not known to the degree that they are today.7方式状语,多置于句末:Dont look at me like that.8

38、条件状语,多置于句末或句首:If you work hard at English,you will do well in English.I wouldnt have been there except for him.9让步状语,多置于句末或句首:Despite the difficulties,they finished the job.He helped me though he didnt know me.10伴随状语,多置于句末或句首:He stood there,pipe in mouth.练习:根据中文完成下面句子。1尽管困难重重,他们还是成功了。They succeeded

39、_.2他经常骑车上班。He often goes to work _.3他生火取暖。He lit a fire _.4因为没钱,他不能买电视机。_,he could not buy the TV set.5 向右拐,你就会找到你要找的地方。_,_you will find the place you are looking for.6“你还等什么?”亨利说道,他不耐烦了。“What are you waiting for?”Henry asked,_.in spite of all difficultiesby bike to keep himself warmHaving no moneyT

40、urning to righthis impatience rising完形填空解题技巧点拨(三)5突破句子的束缚,捕捉篇章信息每篇完形填空都围绕一个主题展开,其结构严谨,上下文互为映衬,前后照应,所以解题时考生不要只局限在句子层面上,而要从段落或整篇文章入手,整体把握文章的内容,结合上下文,寻找答案的线索。【例】In the clinic,I asked if Michael could be retested,so the specialist tested him again.To my _36_,it was the same score.Later that evening,I _3

41、7_told Frank what I had learned that day.After talking it over,we agreed that we knew our _38_much better than an IQ(智商)test.After the ceremony,we told Michael about the_47_IQ score he got when he was six.Since that day,Michael sometimes would look at us and say jokingly,“My dear mom and dad never t

42、old me that I couldnt be a doctor,not until after I graduated from medical school!”We went to the same clinic where he had received the test eighteen years before.This time Michael scored 126,an increase of 36 points.()36.A.joy BsurpriseCdislike Ddisappointment()37.A.tearfully BfearfullyCcheerfully

43、Dhopefully()38.A.student BsonCfriend Ddoctor()47.A.high BsameClow Ddifferent【解析】2007 重庆卷的完形填空以第一人称讲述了如何对待孩子的成长问题。开头就提到 Michael 的智商测试,随之设置的几个题目都和此有关,可是在本段没有线索。但读到文章最后,“This time Michael scored 126,an increase of 36 points.”,我们茅塞顿开,原来 Michael 是“我们”的儿子(38.B),六岁时接受了一次智商测试,分数很低(47.C),“我”很失望(36.D),所以“我”眼含

44、泪水告诉丈夫 Frank 测试结果(37.A)。练习:结合篇章结构,选择最佳答案1)(首段)Carolyn Stradley is the founder of C&S Paving In C(铺路公司)in Atlanta,USA.In the following account,she recalls the job that challenged her_36_and skill but left her flying high.(尾段)“The key to our success was having the courage to take on any job and then b

45、eing creative in our approach to getting it done.”()36.A.kindness BpatienceCimagination Dexperience2)(首段)All you need is a webcom and your pretty face to access your PC.(尾段)If the system_29_to recognize your_30_,you can recall the Windows user name and password by using a hot-key combination.()29.A.begins BtriesCfails Dstops()30.A.account BnameCpassword Dface【答案】1)C 2)C;D

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