人教版高中英语必修二-Unit-3-Reading课件.ppt--（课件中不含音视频）

1、 ()analytical machine ()laptop ()calculating machine ()robot ()PC ()universal machine 123456Pre-readingReadingGo over the story to find out who the speaker is.Write down 3 sentences to support your idea.It is a computer.I was able to share my knowledge with others through the World Wide Web.“My real

2、 father was Alan Turing.”I was built as an Analytical Machine by Charles Babbage.”1.Who am I?2.Who built the first analytical machine?3.Who was the next important person to design computers?Charles Babbage built the first analytical machine.Alan Turing was the next important person to design compute

3、rs.I am a computer.Fast-reading Whats the main idea of this passage?A.The development of computers B.The development and use of computers C.A machine which is simple-minded D.Computers may replace human beingFast-readingB 1.In 1642 I began as a calculating machine and could solve any mathematical pr

4、oblem.2.My real father was Charles Babbage,who wrote a book and build me in 1936.FFAlan TuringAlan TuringTrue or False?3.After I got my new transistors in the 1960s,I became smaller but cleverer and quicker.4.I was brought into peoples homes in the 1970s.5.Since my birth I have been built to take th

5、e place of human race.TTFserveserve6.Alan Turing built an Analytical Machine to solve any mathematical problems.7.People began to realize that the computer got cleverer and quicker with time passing.8.The computer began to serve the human race since it was brought into peoples homes.FTF9.Since the 1

6、970s,the computer was used by people around the world through the Internet.10.The larger the computer is,the more memory it has.TFCalculating machineAnalytical machineUniversal machineArtificial intelligencenetworkInternetHow did computers develop?(InIn 16421642)(InIn 18221822)(InIn 19361936)(In the

7、 1960s)(In the 1960s)(InIn thethe 1970s1970s)16421822The analytical machine was made by Charles Babbage.1936The computer began as a calculating machineThe computer grew rapidly both in size and in brainpower.1.Read and finish the timeline below.Comprehending1940s The first family of computers was co

8、nnected to each other.1970s nowThe computers had grown aslarge as a room.1960sComputers were used in offices and homes.Computers connect people all over the world together.2.Read and Complete the chart.Paragraph 1Topic sentenceSupporting detailsOver time I have been changed quite a lot.calculating m

9、achineanalytical machine universal machinePClaptopParagraph 2Topic sentenceSupporting detailsThese changes only became possible as my memory improvedtubestransistorschipsnetworkWorld Wide WebParagraph 3Topic sentenceSupporting detailsSince the 1970s many new applications have been found for municati

10、ons;finance;trade;robots;mobile phonesmedical operationsspace rocketsproviding a life of high qualityDevelopmentEarly daysNameFunctionPoorStrongA _ machineSimplify difficult sumsAn _ machineThink logically and produce an answer quicklyA _ machineSolve difficult _calculatinganalytical universal mathe

11、matical problemsDevelopmentNetwork times_ stored inTubesLargeSmall_Small chips _ Narrow WideFinance_RobotsMobile phones_Space rocketsMedical operations MemoryTransistorsApplicationsCommunicationTrade1.“I”in the passage refers to _.A.A TV set B.A computer C.A radioD.The internet2.When was the compute

12、r the biggest?A.In 1642B.In 1936 C.In the 1940s D.In the 1970sChoose the best answer.BC3.How old is the computer?A.About 370 years old B About 270 years old.C.About 170 years old.D.About 470 years old.A4.What can you infer from the text?A.The computer has artificial intelligence.B.The computer chang

13、es greatly over the years.C.The computer was not connected by a network until in the early 1960s.D.Now the computer can only be used to deal with information.B5.Who was the first person to make the earliest computer?A.Alan Turing.B.Charles Babbage.C.Charles Turing.D.Charles Alan.6.When was the unive

14、rsal machine built?A.In 1822.B.In 1642.C.In 1936.D.In 1940.BC7.What happened to the computer in the 1960s?A.It was put into robots and used to make mobile phone.B.It was given a family connected by a network.C.It began to be put into space rocketsD.It began to be used in the offices.B1.How did the c

15、omputer work as an Analytical Machine?The computer followed instructions from cards with holes.Answer the questions 2.Why did people think the computer was simple-minded?Because the computer was made as a calculating machine and was used to solve mathematical problems.3.In how many ways do we say th

16、e computer changed?What are they?Size:Intelligence:Speed:Function:Peoples opinion:smallerquickercleverercalculating-dealing with,communicating withclever&usefulSummaryI,the c_,was a calculating machine in 1642 in F_.In 1936,I became a“u_ machine”to s_ any mathematical problem.Since the 1970s I have

17、been used first as a P_ and then as a l_in office and h_.omputerranceniversalolveCaptopomesMany changes have happened to my s_,so my s_ totally changed.I have been widely used in many fields,I have also been put into robots to e_the Moon and Mars.izehapexploreShould high school students surf the Int

18、ernet(上网上网)?I think high school students should surf the internet because(first,secondly,thirdly)I think high school students should not surf the internet because(first,secondly,thirdly)AdvantagesWe can communicate with friendsListen to the musicSee films&watch newsPlay gamesDo shoppingSave a lot of

19、 time Do a lot of useful thingsDisadvantagesSome people especially the teenagers abandon(沉迷于沉迷于)themselves to the computer games and chatting on the Internet.As a result,they have little time to study.Some people use the computer wrongly.If you spend too much time on it,it will do harm to our health

20、.ConclusionThere is no doubt that computer has two sides,too.If we make good use of it,it will make our lives more colorful and convenient.But dont lose yourself in playing computers.Just remember:Keep fit,study well and work hard.1 A monitor is2 The screen is3 A keyboard is4 A mouse is5 A CD-ROM is

21、6 A hard disk is Match the words with their meanings.(a)the part of a computer that stores information.(b)the part of the computer that you type on.(c)the part of the computer that looks like a television(d)something you use to click on things(files,etc.).(e)the part of the monitor that you look at.

22、(f)a separate disk that contains lots of information.1.calculate v.1)计算计算;核算核算We havent really calculated the cost of the vacation yet.我们还没有确切地计算出度假要花多少钱。我们还没有确切地计算出度假要花多少钱。2)推测推测;估计估计It is important to calculate what influence he had on her life.现在无法估计他对她的生活产生多大影响。现在无法估计他对她的生活产生多大影响。calculating adj

23、.斤斤计较个人得失的斤斤计较个人得失的;自私的自私的calculation n.计算计算 calculator n.计算器计算器calculate on:depend on 指望指望We are calculating on having fine weather for the sports meeting.我们指望着运动会有好天气我们指望着运动会有好天气。be calculated to 被计划成被计划成,打算打算eg.The ad.is calculated to attract children.2.analytical adj.分析的分析的,解析的解析的 analyse vt.分析分

24、析;研究研究 analogy n.相似相似;类似类似 analysis n.分析分析;研究研究 analyst n.分析家分析家 analytic adj.分析的分析的;分解的分解的3.universal adj.通用的通用的,普遍的普遍的,世界性的世界性的English serves as the universal language in the world.Its the universal usage of this kind of machine.1)over time 随着时间的推移随着时间的推移eg.Can we talk about this over dinner?She g

25、radually got better over the summer._ the next few days,they got to know the town well.A.With B.Over C.For D.At2)have been changed 现在完成时的被动语态现在完成时的被动语态B5.Although I was young,I can _ difficult sums.simplifyvt.简化简化adj.simple 简单的简单的,朴素的朴素的 simple-mindedsum n.总数总数,算术题算术题,金额金额in suma large sum of总之总之大量大

26、量,许多许多(不可数名词不可数名词)总之总之,这个计划失败了这个计划失败了他给了我很多食物。他给了我很多食物。In sum,the plan failed.He gave me a large sum of food.头脑简单的头脑简单的6.before conj.在不同的语境中有不同的含义在不同的语境中有不同的含义:(1)多久之后才多久之后才(2)在在.以前以前 (3)以免以免,不然不然(4)还没还没.就就.(.(常和常和can 和和could连用连用)eg.(1)It was a long time before I went to sleep last night.(2)I would

27、like to talk to you before you go.(3)Do it before you forget.(4)She hung up the phone before I could answer it.比较比较:not.until 直到直到才才I didnt complete the work until one year later.7.artificial adj.人工的人工的,人造的人造的 artificial flowers/limbs/pearls 假花假花/假肢假肢/假珍珠假珍珠 artificial intelligence 人工智能人工智能8.intelli

28、gence n智力智力;聪明聪明intelligent adj.有智力的有智力的;聪明的聪明的;理解力强的理解力强的He is a person of great intelligence.他是个极聪明的人。他是个极聪明的人。A dolphin is an intelligent animal.海豚是有智力的动物海豚是有智力的动物。9.As time went by=With time going by1)as conj.随着随着,引导时间状语从句引导时间状语从句。As time went on,Einsteins theory proved to be correct.随着时间的推移随着时间

29、的推移,爱因斯坦的爱因斯坦的理论证明是正确的。理论证明是正确的。表示表示“随着随着”时时,也可以用也可以用with，但但with是介词是介词,后面一般不接句子后面一般不接句子。With the passing of the years,they have become close friends.几年过去了几年过去了,他们已成了亲密朋友。他们已成了亲密朋友。2)go by (时间时间)过去过去,逝去逝去;从从经过经过;遵循遵循,以以来判断来判断一辆汽车全速驶过一辆汽车全速驶过。A car went by at full speed.一星期一星期慢慢地过去了一星期一星期慢慢地过去了。The we

30、eks went slowly by.不要错失这次机会不要错失这次机会。Dont let this chance go by.那是需要遵守的好规章那是需要遵守的好规章。That is a good rule to go by.(1)As time_,she became more and more anxious about her sons safety.A.passing B.going by C.passed D.goes by(2)Three months _ before we knew it.A.passed by B.went C.went by D.past(3)As the

31、wealth of the country increases,more and more waste will be produced.=_ the wealth of the countrys _,more and more waste will be produced.DCWithdevelopment(4)With the time_,our anxiety grew.A.goes by B.going by C.has gone by D.had gone by(5)A taxi_(刚刚过去刚刚过去).Youll have to wait a few more minutes.(6)

32、Things will get easier as time goes by.(7)The weeks went by slowly.(8)He was in when I went by yesterday.has just gone byB10.As a result 结果结果;终于终于;因此因此My friend Martin was very sick with a strange fever;_,he could neither eat nor sleep.A.as a result B.after all C.any way D.otherwise 点拨点拨 考查短语辨析考查短语辨

33、析。as a result结果结果;after all 毕竟毕竟;any way 不管怎样不管怎样;otherwise 否则。由句意可知要选否则。由句意可知要选as a result。Awithout result 毫无结果毫无结果,徒劳的徒劳的result in 导致导致,结果为结果为result from 因为因为,源自源自 The fight resulted _ a bitter(激烈的激烈的)argument.A bitter argument resulted _ the fight.frominas a result(=therefore)As a result of(=beca

34、use of)结果结果,因此因此因为因为He got up late.As a result,he was late for the class.(1)The river water was seriously polluted._,many fish died.A.As a result B.After all C.Thanks to D.If only(2)He didnt pass the exam _ his carelessness.A.Regardless of B.As a result of C.Because D.SinceA B(3)The rain had lasted

35、for three days,and _,we had to cancel the trip to Shanghai.A.as a result B.as a result of C.result in D.result from11.totally adv.整个地整个地;完全地完全地 totally blind 全盲全盲 total adj.完全的完全的;整个的整个的 total silence 寂静无声寂静无声 in total 总共总共A so+adj/adv+thatsuch+n.(名词名词)+thatso that+句子句子如此如此.以至于以至于为了为了.12.And my memo

36、ry became so large that even I couldnt believe it!(1)He is _ good a student _we all like him.A.such;that B.so;who C.such;as D.so;that(2)He is _ a good student _we all like him.A.such;that B.so;who C.such;as D.so;that(3)He got up early this morning _ he could catch the first bus.A.so as to B.so hat C

37、.in order to D.so asD A B(4)There is _ much work to do and he was_ worried about finishing it in time that he was quite nervous all day long.A.so;so B.such;such C.so;such D.such;so(5)It was _ that we went camping in the mountains.A.such nice weather B.such a nice weather C.so nice a weather D.too ni

38、ce weatherAA(6)She has _ she remembers all the names of the students she has taught.A.so good memory B.good memory C.such a good memory that D.such good memory thatC So hard does he work that he seldom goes home.so+形容词形容词(副词副词)+)+that.结构中结构中so+形容词形容词(副词副词)在句首时在句首时,句子用倒装结构。句子用倒装结构。He works so hard th

39、at he seldom goes home.So much of interest _ that most visitors simply run out of time before seeing it all.A offers BeijingB Beijing offersC does Beijing offerD Beijing does offerC alonelonelyalonelonely14.I have also been put into robots and used to make mobile phones as well as help with medical

40、operations.1)help(sb)with sth 协助协助(某人某人)做某事做某事e.g.A man is helping the police with their enquiries.有一男子在协助警方进行调查有一男子在协助警方进行调查。他他不但不但能讲英语能讲英语而且而且还能讲日语还能讲日语。He can speak English as well as Japanese.2)as well as 也也,还还,而且而且He grows flowers as well as vegetables.She is a talented musician as well as a ph

41、otographer.3)这个句子是现在完成时被动语态这个句子是现在完成时被动语态,其其结构是结构是(have/has+been+过去分词过去分词)e.g.The radio has been repaired when we phoned the shop.他他以及以及他的父母都喜欢看电影。他的父母都喜欢看电影。He as well as his parents _ watching Movie.likesProfessor James will give us a lecture on the Western culture,but when and where _ yet.A.hasnt

42、 been decided B.havent decided C.isnt being decided D.arent decidedA 点拨点拨 本题考查动词的时态、语态及主谓本题考查动词的时态、语态及主谓一致。由一致。由yet可知要用完成时态可知要用完成时态,又因时间又因时间与地点是被决定的与地点是被决定的,故应用被动语态。此故应用被动语态。此外外,“在什么时候和什么地点在什么时候和什么地点(做报告做报告)”是是指同一件事指同一件事,故用单数形式。故用单数形式。When you get the paper back,pay special attention to what _.A.hav

43、e marked B.have been marked C.had marked D.had been marked 点拨点拨 因因mark 这一动作发生在这一动作发生在get之前，之前，且试卷是被批注且试卷是被批注,因此应用现在完成时的因此应用现在完成时的被动语态。被动语态。BI got caught in the rain and my suit _.A.has ruined B.had ruined C.has been ruined D.had been ruined 点拨点拨 句意为句意为:我遭遇大雨我遭遇大雨,我的衣服被我的衣服被淋坏了。淋坏了。ruin表示的动作发生在表示的动作发

44、生在got caught 之后之后,故排除故排除B、D两项。此处两项。此处表示被动表示被动,所以所以C项正确项正确。C1)anyhow 无论如何无论如何,总之总之,反正反正Anyhow its worth trying.不管怎样不管怎样,这事值得一试。这事值得一试。(句首句首)也许会下雨也许会下雨,但我们无论如何都要去。但我们无论如何都要去。(句末句末)It may rain,but well go anyhow.I dont care what you say;Im going to do it anyhow.15.Anyhow,my goal is to provide humans wi

45、th a life of high quality.B2)goal n.目标目标,目的目的 品句会意品句会意The winning goal was scored by Ronaldino.(n.)He headed the ball into the open goal and helped the team win the match.(n.)射门射门,(,(进球进球)得分得分球门球门3)provide vt.向向.提供提供.,.,供应供应.provide sb with sth.=provide sth for sbe.g.We provided the sufferers with f

46、ood and clothe.=We provided food and clothes for the sufferers.supply sb with sth=supply sth to sboffer sb sth=offer sth to sb1.Three s_ people thinking together can be smarter than one clever person.三个臭皮匠三个臭皮匠,赛过诸葛亮赛过诸葛亮。2.Let me forget you t_。让我死心塌地忘记。让我死心塌地忘记。-冷酷到底冷酷到底3.Have you ever heard it whe

47、n you _ _ the river？走过那条小河走过那条小河,你可曾听见你可曾听见?-一个真实的故事一个真实的故事 imple-mindedEnjoy some beautiful sentencesotallygo by1.Review the passage 2.Do Ex.1-3 on P20.3.Read the story about Bill Gates.Review of Units 1-2Review of Unit 11 1 幸免于车祸幸免于车祸2 2 保持安静保持安静3 3 调查调查 4 4 属于属于5 5 寻找寻找6 6 作为报答作为报答7 7 一根点燃的蜡烛一根点燃

48、的蜡烛8 8 处于交战状态处于交战状态9 9 毫无疑问毫无疑问10 10 拆开拆开1111考虑做某事考虑做某事survive the accidentremain quietlook intobelong tolook for/be in search of/search forin returna lighted candleat warThere is no doubt that.take apartconsider doing13 13 依照某人的观点依照某人的观点14 14 这个消息证实是真的这个消息证实是真的15 15 装做作某事装做作某事16 16 看重看重/器重器重,评价高评价高

49、17 17 想象作某事想象作某事18 18 被用来做被用来做/习惯于习惯于/过去常常做过去常常做21 21 花费花费.做做.22 22 做做用用in ones opinionThe news proves true.pretend to dothink highly/much ofimagine doingbe used to do/doing/used to doIt takes sb sth to do sth.serve asReview of Unit 2h_ j_ l_ j_ r_ r_g_tics sw_ di_sk_ _iing su_bo_ ju_ sh_cy_ f_ bad_

50、 t_ t_ v_igh umpong ump elay aceymnasimmingvingatingskrfingxingdoootingclingootballmintonableennisolleyballWords of item in the Olympic Games:shot put 击剑击剑discus throw 摔跤摔跤 javelin throw 悬挂式滑悬挂式滑翔翔Marathon 冰球冰球Canoeing 举重举重ice hockey 马拉松马拉松 Weightlifting 划独木舟划独木舟 Wrestling 铁饼铁饼fencing 推铅球推铅球 hang-gl