2012届高考英语一轮复习课件人教版新课标 必修二 UNIT 3COMPUTERS.ppt

1、高考英语一轮复习课件人教版新课标必修二 Unit 3Computers作文提要提纲 获取途径用途使用说明典例 假设有一批英国中学生将到你所在的国际学校学习。你校学生使用的电子卡必须在开学的第一天到学生中心领取。以下是卡的一些信息。Student ID Card插入卡 绿灯亮 开启门1.此卡可开启教室、浏览室和宿舍门；2.请妥善保管；如遗失，请致电999服务中心。写作内容请根据上述信息，写一份关于领取和使用学生卡的英文说明，你的介绍需包括以上内容。写作要求只能用5个句子表达全部内容。范文背诵On the first day of the school，go to the Students Cen

2、ter to get your student ID card.It is an electronic card which is used for opening the doors to your classroom，reading room and dormitory.To use it，insert the card and when the light turns green you can enter the rooms.You should be careful to keep the card safe.If you lose your card，call the Studen

3、ts Center on 999 immediately for help.考纲词汇1.adj.宇宙的，普遍的2.n.总数；算术题，金额3.n.接线员，(电脑)操作员4.n.工艺，科技，技术5.adj.人造的6.n.网络；网状物universalsumoperatortechnologyartificial network7.v.探索；探究；探测8.adv.无论如何，即使如此9.n.&v.信号，发信号10.n.类型v.打字11.v.出现，发生12.n.性格，特点exploreanyhowsignaltypearise character.词汇拓展1.calculate v.计算n.计算器n.计

4、算Use a to the cost of the vacation so that we can make a budget by.calculatorcalculationcalculatorcalculatecalculation2.simplify v.简化n.简化adj.简化的adj.简单的adv.简单地The application forms should be to make things.simplificationsimplifiedsimplesimplysimplifiedsimple3.solve vt.解决，解答adj.可解决的；可解析的n.(问题的)解答；(困难的

5、)解决方法或方式Though the problem given by the teacher was difficult，the boy said that he could find the to it.We should learn how to analyze and problems.solvablesolutionsolution solve1.弥补；虚构；化妆2.对有优势3.毕竟4.利用5.对付；处理；安排6.某人认为7.以某种方式，在某种程度上make uphave an advantage overafter alltake advantage ofdeal within o

6、nes opinionin a way8.在的帮助下9.照看，看守10.经过11.在20世纪60年代with the help ofwatch overgo byin the 1960s选用上述词组填空。They have learned to various persons.I have to be away for a while.Would you please my shop？The boy is good at stories to make his mother happy.，youd better give up smoking at once.，what he said sou

7、nds reasonable.deal withwatchovermaking upIn my opinionIn a way1.As time went by，I was made smaller.一年年过去了，我被做得更小了。句型结构as time goes by.随着时间的推移，其中as引导时间状语从句，意为“随着”。句型仿写随着年龄的增长，我们会变得越来越聪明。，we get wiser.随着岁月的推移，爱因斯坦的理论证明是正确的。，Einsteins theory proved to be correct.As we grow olderAs time went on2.I deve

8、loped very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.我发育缓慢，差不多到了两百年之后，查尔巴比奇才把我制成了一台分析机。句型结构It takes some time before.过了多久才。句型仿写一份杂志要经过几年才会开始赚钱。a magazine starts to make money.过了很长一段时间那场大火才渐渐熄灭。the big fire died out.最早的电话并不受人欢迎，过了很长一段时间

9、人们才开始租用或购买电话。The earliest telephones were not popular and people began to hire or buy them.It will take several years beforeIt took a long time beforeit took a long time before3.Over time my memory has developed so much that，like an elephant，I never forget anything I have been told！随着时间的推移，我的记忆能力发展得

10、如此之快，就像大象一样，从来不会忘记告诉我的任何事情！句型结构so.that.“如此以致于”，引导结果状语从句。句型仿写太阳是如此的美，我想到海里去游泳。The sunshine is Id like to go swimming in the sea.小明是如此调皮，以致他妈妈整天责备他。so beautiful thatXiao Ming was so naughty that he was often blamed by his mother.语句衔接用上述句型翻译下列小片段。差不多五年后我才适应了广东的饮食习惯。随着时间的流逝，我却变得如此喜欢粤菜，以致外出吃饭时，人们都说我是一个地道

11、的广东人。答案：It took nearly five years before I was accustomed to the eating habit of Guangdong.As time went by，I like Cantonese food so much that when I was dining out，people would say I was a native Cantonese.The memory of the calculating machine has improved rapidly and it has developed as computers w

12、hich are widely used at home，in communication，finance，science and technology，medicine and trade.仔细阅读课文Who Am I？，写出文章的主旨大意。答案：根据课文内容用适当的词填空，使短文完整。The computer began as a calculating machine in 1642 in France.Then in 1822，it was built 1.an analytical machine，which 2.instructions from cards with holes.

13、In 1936 Alan Turing wrote a book 3.(describe)how computers could 4.(make)to work，and built a“universal machine”5.(solve)any mathematical problems.asfolloweddescribing be madeto solve At the beginning，the computer was huge，the6.of a large room.7.years go by，it becomes smaller and smaller，especially 8

14、.it got new transistors in the 1960s，it has become smaller and smaller，and 9.artificial intelligence，it is getting cleverer and cleverer，quicker and quicker.sizeAssincewith In 10.early 1960s，computers could be connected by a network,11.enables their users 12.information with others and talk to each

15、other.Since computers 13.into peoples homes，computers are used by billions of people 14.information and communicate with each other around the whole world by the 15.thewhich to sharewere broughtto deal withInternet(1)calculate that.计算calculate on 指望或期待be calculated to do sth.打算或计划做某事(2)calculation n

16、.计算，推算calculator n.计算器，计算者1.calculate v.计算，计划，打算；估计运用：完成下列句子。我们还没计算出度假要花多少钱。We havent of the vacation yet.这些广告旨在吸引年轻的消费者。The advertisements young consumers.据估算，去年至少丧失了47,000个工作。that at least 47,000 jobs were lost last year.我们指望可以早出发。Were an early start.迪看着账单，同时进行着速算。Dee looked at the bill and made s

17、ome rapid.答案：calculated the costare calculated to attractIt has been calculatedcalculating oncalculations2.anyhow adv.(1)“无论如何，不管怎样；总之；尽管如此”。作此意讲时，anyhow和anyway一样，都用作状语，一般置于句中(其前常有连词but)或句末。(2)“况且，更何况，再说，至少”。作此意讲时，可用来作状语，对前面的话作补充，给出一个令人信服的理由，此时anyhow常出现在句首或最后的分句之首，而不出现在句末。(3)“粗心地，随意地”。作此意讲时，anyhow不可

18、与anyway互换。运用：完成下列句子。这个丑闻可能会让她的名誉受损，但尽管如此，媒体还是报道了。It was felt that the scandal would damage her reputation.恐怕我们来不了，即使这样还是谢谢邀请。Im afraid we cant come，but.这太贵了，而且颜色不适合你。Its too expensive and the color doesnt suit you.答案：but the press reported it anyhowthanks for the invitation anyhowanyhowAnyhowjust an

19、yhow无论如何，咱们暂时忘记那件事吧。，lets forget about that for the moment.她把文件在桌上随便搁成一堆。She piled the papers in a heap on her desk，.(1)signal(to)sb.to do sth.示意某人做某事signal to sb.向某人示意signal(sb.)that示意(2)a danger/warning/distress signal危险/警告/遇难信号traffic signals 交通信号灯a stop signal 停车信号3.signal vi.&vt.发信号n.信号运用：完成下列句

20、子。他示意服务员结账。He for the bill.她示意他跟她走。She.我什么时候拨他的电话听到的都是忙音。All I get is whenever I dial his number.答案：signaled(to)the waitersignaled(to)him to follow hera busy signalsymbol，sign，signal，mark均含“标志，象征，符号”之意。(1)symbol指作象征或表达某种深邃意蕴的特殊事物。(2)sign普通用词，指人们公认的事物的记号，也可指某种情况的征兆。(3)signal指为某一目的而有意发出的信号。(4)mark普通用词

21、，含义广泛。既可指为便于辨认而有意做的标记，又可指自然形成的标记或有别于其他事物的特征。运用：选用上述词语填空。We live too far from the city to get a strong television.The pigeon is a of peace.Please make a where you have any problems.Dark clouds are regarded as a of heavy rain.答案：signalsymbolmarksignarise from/out of.由引起，由产生4.arise vi.(arose，arisen)出现，

22、发生运用：完成下列句子。夜间起风暴了。during the night.疏忽大意往往会引起事故的发生。Accidents carelessness.答案：(1)A storm arose(2)arise fromarise，arouse，rise，raise原形过去式过去分词v.ingarise(vi.出现，发生，起因于)arosearisenarisingarouse(vt.唤醒，激起)arousedarousedarousingrise(vi.升起，起身，增长，上升)roserisenrisingraise(vt.举起，唤起，提高，饲养)raisedraisedraising运用：完成下列

23、句子。(那个问题出现了)as we expected.Accident can(因疏忽引起).He(举目观看)from his work.The river(上涨了好几米).Her strange behaviour(引起我们的猜疑).答案：That question arosearise from carelessnessraised his eyeshas risen by several metersaroused our suspiciousas a result of由于的结果(介词短语，后面接名词或代词)result from 因而(接原因)result in 导致(接结果)5.a

24、s a result结果(副词短语)运用：完成下列句子。他工作努力，因此被大家表扬。He works hard，and，he is praisedby all.由于飞行员罢工，所有的航班都被迫取消。the pilots strike，all flightshave had to be cancelled.答案：as a resultAs a result ofmake up for补偿，弥补be made up ofconsist of由组成make for 有利于，有助于走向；冲向make it 及时赶到，办成功make it up 和解，讲和make known 使知晓；传达make ou

25、t 理解，懂得，辨认出6.make up化妆，虚构，编造运用：选用上述词语填空。Tom had a quarrel with his wife，but now he hasher.We still need$30 the sum we asked for.At that time，it was too dark for me what it was at the distance.Hard work can a lack of intelligence.答案：made it up withto make upto make outmake up forwatch for留意，观察等待watch

26、 out(for)警惕或注意；提防keep(a)watch on 监视watch out for sb./sth.警惕或注意某人(某事物)watch/mind ones step 小心地行走；谨慎地做事或行动7.watch over看守；监视；照看运用：完成下列句子。He felt that God was(保佑他).They are(观察等待进一步的发展).(当心)！The road is slippery because of the ice on it.The staff were asked to(留意)forged banknotes.Youll be in trouble if y

27、ou dont(谨慎从事).答案：watching over himwatching for further developmentsWatch outwatch out forwatch your step8.deal with处理；安排；对付；论及；与交涉、交易deal with和do with都可表示“处理；对付”，do with常与what连用，而deal with常与how连用。运用：完成下列句子。我不知道他们将如何处理这个问题。I dont know how they will the problem.(I dont know they will the problem.)以其人之

28、道，还治其人之身。as he deals with you.这是一本论述亚洲问题的书。This is a book.答案：deal with；what；do withDeal with a mandealing with Asian problems9.in a way从某种意义上说来all the way一路上by the way 顺便说；在途中by way of 经由in this way 用这种方法in no way 一点也不，决不in the way 挡道的No way！俚别想！没门！运用：选用上述词语填空。her health is much improved.Can I expla

29、in the sentence？We can allow smoking here！He arrived in Shanghai Hong Kong.，where is Jack？答案：In a wayin this wayin no wayby way ofBy the way10.with the help of在的帮助下with ones help 有的帮助运用：完成下列句子。(在老师的帮助下)，I made rapid progress in English.Im sure we can reach our goal(有你的帮助).答案：With the help of the tea

30、cherwith your help 表示否定意义的前缀1.un 不，非，unable不能够，unlucky 不幸的2.di 不，非，dishonest不诚实的，discontinuous 不连贯的3.in 不，非，inactive不活跃的，incorrect 不正确的4.im 不，非，impatient不耐烦的，impossible不可能的5.ir 不，非，irregular 不规则的，irresponsible不负责任的6.il 不，非，illogical 不合逻辑的，illegal 非法的7.non 不，非，nonexistent不存在的，nonstop 直达的，连续不断的8.mis 错

31、误，mislead 误导，misunderstand 误解9.dis动词，意义相反的动词，dislike不喜欢，disagree不同意10.un动词，意义相反的动词，uncover 揭开，undress脱衣服一、阅读下列短文，写出划线单词的意思A misconception was that the high temperature caused the big fire.However，Miss Wang knew it was not the true story.So she insisted that the government should make the truth known

32、 to the public.When Miss Wang knew that her appeal was disallowed，she felt rather disappointed.She decided to disclose the truth：it was human errors that was to blame for the terribledisaster.She wanted to tell the public about the coldness of some officials.She believed that the truth must be uncov

33、ered now.答案：misconception错误观念；disallowed 驳回，不准许；disappointed 失望的，沮丧的；disclose 揭露；uncover v.揭露，揭发二、用所给单词的适当形式填空The speech seemed to be 1.(stop)and the listeners became very 2.(patient).When the speaker said that oil was 3.(renew)and that the best way to solve the problem was not to make cars and buse

34、s to force people to go to work or school on foot，the audience thought it was 4.(practice)and 5.(bear)to listen to him any longer.They 6.(believe)that the world would go smoothly without these modern transportations.They also thought that the speaker was 7.(responsible)to make such a statement witho

35、ut thinking it carefully and his speech would cause some 8.(understand).So most of the listeners chose to leave，shouting loudly and angrily.答案：1.nonstop没完没了的 2.impatient 不耐烦的3.nonrenewable 不可再生的 4.impractical 不切实际的5.unbearable 不能忍受的 6.disbelieved 不相信7.irresponsible 不负责任的8.misunderstandings 误解模仿朗读(八)

36、听录音，然后模仿朗读。A The world is thirsty for water.About 97%of the water in the world is seawater，or salt water.Man can only drink and use the other 3%the fresh water from rivers，lakes，underground and other forms.But we cannot even use all of that，because some of it is in the form of icebergs and evenpollu

37、ted.Only if we take steps to deal with the problem right now can we escape a worldwide water shortage later on.Scientists suggest we should reuse it，or remove the salt in seawater and make it fresh.If we take these steps well have no danger of drying up.B Centered within a loose collection of cityst

38、ates，which were often at war with each other，ancient Greek culture reached its Golden Age during the fourth century BC.Art，theater，music，poetry，philosophy，and political experiments flourished.In ancient Greek，only men could be citizens and only upperclass males enjoyed a formal education.Women had f

39、ew political rights and were expected to remain in the home and bear children.Fully one quarter ofthe population was made up of slaves.Most homes were modest and windowless with little furniture.The Greek diet was also modest，based largely on wine and bread.Thenames of foods and cooking methods have

40、 changed little over time.录音材料：略语句衔接(二)1.根据句子意思，把第一部分的句子与第二部分的句子连接起来(1)He has to take photos of the places he visits.(2)Not everybody thinks the building is ugly.(3)He thought the talk was fascinating.(4)The smoke started coming up the stairs.(5)Business has been very bad this year.(6)We could ask h

41、im now.A.Meanwhile，they were still sleeping peacefully.B.On the other hand，we could wait until tomorrow.C.On the contrary，some people say it looks marvelous.D.As a result，we have had to close one of our factories.E.In addition，he is writing a report of his journey.F.His friend，however，fell asleep ha

42、lfway through it.答案：(1)E(2)C(3)F(4)A(5)D(6)B2.使用所给的连词补全下列文章as，as well，but，by that time，however，more than，not just，or，regardless of，such as，therefore，unless，when，whether，whichStress is one of the main reasons why heart disease now kills 80,000 women a year(1)cancer(2)any other disease.Women may be sh

43、ocked(3)they read this，(4)stress，(5)affects(6)high flying female executives，(7)housewives and secretaries(8)was never thought to be a killer.Heredity，(9)your parents or grandparents suffered from heart disease，is an important factor.(10)，smoking，a poor diet and not enough exercise hugely contribute(

44、11)your sex.Women display different symptoms of heart disease to men and(12)may be wrongly diagnosed.Extra tests(13)electrocardiograms are rarely given(14)suspicious symptoms seem to warrant it.(15)it is often too late.答案：(1)more than(2)or(3)when(4)as(5)which(6)not just(7)but(8)as well(9)whether(10)

45、However(11)regardless of(12)therefore(13)such as(14)unless(15)By that time3.指出以下句子的错误，予以改正 (1)He graduated from college in 2008，then he found a job.(2)In 2003，the United States launched the war on Iraq on account of Iraq possessing weapons of mass destruction (WMD).Therefore，no WMDS have been found

46、in Iraq.(3)Ive never been to Spain，therefore，I dont know much about it.(4)I was walking in the street，suddenly I found a car knocking into a tree.(5)He visited many places in his life，besides，he wrote a traveling book.(6)Most important，we have to make sure if the plan can be carried out.(7)As a resu

47、lt of，he failed to tell his teacher the truth.(8)We will hold many activities，such as，give performances by students from different classes.答案：(1)He graduated from college in 2008，and then he found a job.(2)In 2003，the United States launched the war on Iraq on account of Iraq possessing weapons of ma

48、ss destruction(WMD).However，no WMDS have been found in Iraq.(3)Ive never been to Spain，so I dont know much about it.(4)I was walking in the street，and suddenly I found a car knocking into a tree.(5)He visited many places in his life.Besides，he wrote a traveling book.(6)Most importantly，we have to make sure if the plan can be carried out.(7)As a result，he failed to tell his teacher the truth.(8)We will hold many activities，such as，giving performances by students from different classes.