高中英语:Unit 3.Computer.ppt

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1、,Welcome,Unit 3 Computer,课时分配,Warming up,The development of computerP17 Look at the pictures.Talk about each of them.Discuss what they have in common.,An abacus,A calculator,A PC(=personal computer),A notebook computer/laptop,A huge computer,An abacus is an old calculating machine used in China unti

2、l now.A huge computer is built to solve some mathematical problems.But it is too big.A calculator is a new calculating machine which can solve a large number of mathematical problems.A PC is a personal computer which can solve all kinds of problems and is widely used now.A notebook computer is a kin

3、d of useful computer which can be taken conveniently like a notebook.,You are asked to use the following expression in your discussion.I think that In my opinionI believe thatWhy do you think so?Whats your reason?,Discussion,I think they all can calculate something.It can deal with some maths proble

4、m.,I believe that they are our good friends.In our everyday life.we can not finish our work quickly without them.,In my opinion,people improve abacus,make it more useful and make it a computer.They are being used widely and conveniently in the world.,Soft disc(floppy disc),CD-ROM,printer,scanner,mp3

5、,U S B,Some Information about the computers and the internet,Hardware SoftwareHostOutputProgramsMemory DrivesDesk-top computerBusiness computerDigital movie,硬件,软件,主机,输出,程序,内存储器,驱动器,台式计算机,商务计算机,数字影像,Chat rooms,net bar,chat bar On-line friendsBe on-line,on the internetDown-load files Send and receive

6、e-mailWeb fans Internet sites E-mail boxElectronic mail Local Area NetworkLog inLog outnetizen,网吧,网友,上网,在线,下载文件,收发邮件,网迷,网址,电子邮件,电子邮件箱,局域网,登陆,注销,网民,Floppy disc,chips,monitor,modem,CD-ROM,scanner,Key-board,printer,Using words and expressionsFill in the blanks with the proper words in the box,Complete

7、the sentences with some of the words in the box.,Monitor,mouse,keyboard,hard disc,floppy disc,CD-ROM,printer,modem,A_ is used to see your data on a computer.A_ or disk is the main device that a computer uses to store information.A _is a machine for printing text or pictures onto paper,especially one

8、 connected to the computer.A_ is used to put data into a computer.A_ _is often used to connect computers to each other though phone lines.Data can also be stored in a _,which is small and can be carried easily.A_ is a disc that contains computer data.It can store a large amount of data.,monitor,hard

9、 disk,printer,keyboard,modem,floppy disc,CD-ROM,Compact Disk Read only Memory,Discussion,What can computer be used for?I think that In my opinion I believe that Whats your reason?Why do you think so?,I use the computer or Internet to:,type my homeworkdraw picturesplay gamescommunicate with my friend

10、s.gather related information for my lessonsbuy the things I like,eg books and clothes.listen to musicwatch movies.,Pre-reading,What do you know about computer?For example,can you name some parts of computer?2.How have computers changed our lives?,mouse,keyboard,monitor,Listen to the tape and answer

11、the questions.,1.Who am I?,Who was the first person to make the earliest computer?A.Alan Turing B.Charles Babbage C.Charles Turing,3.When was the“universal machine”built?A.In 1822 B.In 1642 C.1936,computer,(B),(c),Read the text again and find out,the changes of computer,Changes of the computer:,Calc

12、ulating machine,Analytical machine,Universal machine,Artificial intelligence,network,(In 1642),(In 1822),(in 1936),(In the 1960s),internet,(In the 1970s),1.Where were you in 1642?,3 What were you called in 1936?,4 What did you get in the 1960s?,What happened to you in the 1970s?,2 What happened to y

13、ou in 1822?,1 Where were you in 1642?2 What happened to you in 1822?3 What were you called in 1936?4 What did you get in the 1960s?5 What happened to you in the 1970s?,In France,I was built as an Analytical Machine by Charles Babbage.,Universal machine.,I got my new transistors.,I was brought into p

14、eoples homes.,Comprehending,1 Who is the speaker in this story?2 Write down three sentences from the story to support your idea.,A computer.,1 Then in 1822 I was built as an Analytical machine by Charles Babbage.2 My real father was Alan Turing,3 However,people thought I was simple-minded until they

15、 discovered I had“artifical intelligence.”,Look at the timeline below.Fill in the blanks with in-formation from the reading above.Timeline1642:_:The Analytical Machine was made by Charles Babbage1936:_ _1960s:_ _:The first family of computers was connected to each other1970s:_Now:_,The computer bega

16、n as a calculating machine,1822,Alan Turing wrote a book to describe how,1960s,computers could be made to work,Computers had new transistors and became smaller,Computers were brought into peoples homes.,Computers connect people all over the world together,According to the timeline and the outline to

17、 finish the summary about the text,The computer.as a calculating machine in 1642,then in 1822,it was as an Analytical Machine by.At the year of 1936,Alan Turing to describe how computers.to work,and build a“universal machine“to solve.With the development of.,in the 1960s,computers had new transistor

18、s and became,then were connected to each other by the internet.As the years had,computers were.peoples homes.Now computers have become the most important to.all over the world together.,The summary about the text,The computer began only as a calculating machine in 1642,then in 1822,it was built as a

19、n Analytical Machine by Charles Babbage.At the year of 1936,Alan Turing wrote a book to describe how computers could be made to work,and build a“universal machine“to solve mathematical problem.With the development of information technology,in the 1960s,computers had new transistors and became smalle

20、r and smaller,then were connected to each other by the internet.As the years had gone by,computers were brought into peoples homes.Now computers have become the most important tools to connect people all over the world together.,Read the text carefully,find out the difficult points.,Homework,a calcu

21、lating machine,in 1642 an analytical machine,in 1822 a universal machine,in 1936 got new transistors,in 1960s connected,network,in the early 1960s brought into peoples homes,in 1970s,communicate with by the Internet,I was born in_in France.In_,I was built as an_,following instructions from cards wit

22、h holes.In_,my real father,Alan Turing,described how computers could be made to work in a book and solved any mathematic problem by_ a _machine.People were surprised at my artificial_.At first,I was the size of a large room.As times has gone by,I have been made smaller and smaller.In the_,I got new

23、transistors.My memory became_ and_,but I got _and_,quicker and quicker.,1642,1822,Analytical Machine,1936,building,universal,intelligence,1960s,larger,larger,cleverer,cleverer,I could share information with others and talk to each other by a net.It was in the_ that my family and I have been used by

24、billions of people.I am happy that I have truly been built to serve _ _since my birth.,1970s,humane race,Languge points,mon adj.普通的,常见的;共有的,共用的在英国Smith是个很普通的名字。Smith is a common name in England.他们对音乐都有着共同的强烈兴趣。A great interest in music was common to them.in common(with)(和)一样have sth.in common(with)(

25、与)有共同之处他们虽是兄弟,但毫无共同之处。They are brothers,but they have nothing in common.和许多人一样,他喜欢古典音乐,而不喜欢流行音乐。In common with many people,he prefers classical music to pop music.,2.in ones opinion 依来看在我们看来,秋天是北京最好的季节In our opinion,autumn is the best season in Beijing.What s your opinion of this question?in ones vi

26、ew=in the view of sb.=in ones opinion=in the opinion of sb.据的见解,3.follow跟随;沿着;听懂;遵循;听从follow ones instructions 执行(某人的)指令Follow this road,and youll get there.Im sorry I dont quite follow you.You should follow the rules of the lab when you are doing experiment.,沿着这条路走,你就会到那儿。,对不起,我不太明白你的意思。,你们做实验时,就应该

27、遵守实验室的规则。,instructions意为“指示,命令”;“说明”时,常用复数形式。,4.soundThe music sounds sweet.音乐听起夹很It sounds(like)a good idea.这听起来是个好主意。It sounds as if they can do nothing about it.听起来他们好像也没有办法。(1)What he has said_.A.sounds interesting B.sounds interested C.sounded like interesting D.is sounded interesting(2)The sou

28、p tasted_.A.good B.well C.badly D.terribly,A,A,5.simple 简单的;单纯的;朴素的请用简单的英语写一则故事。Please write a story in simple English.他并不像看上去那样单纯。He is not as simple as he looks.她过着朴素的生活。She lives a simple life.,simple-minded:showing very little intelligence,adj.-n-ed=adj.复合形容词,absent-mindedopen-mindednarrow-minde

29、dsingle-mindedstrong-mindedbroad-mindedweak-minded,心不在焉的虚心的,没有偏见的心胸狭窄的一心一意的意志坚强的心胸宽阔的低能的,愚蠢的,6.thought常用来表示“本来以为(认为),后来证明与事实不符合的行为。I had thought he knew the time of the meeting.我本来以为这部电影很有趣,可实际上很无聊。她本来以为父亲会很高兴,但并没有。,I had thought this film was very interesting.,She had thought her father would be ve

30、ry happy.,7.intelligence n智力;聪明intelligent adj有智力的;聪明的;理解力强的He is a person of great intelligence.他是个极聪明的人。海豚是有智力的动物。A dolphin is an intelligent animal.,8.anyway=anyhow adv.无论怎样,无论如何I shall go and see him anyway.Im going to do it anyway.Anyway I must finish the work today.,9.be the size of 有大The hous

31、e is half the size of that one.,10.as conj.随着,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,爱因斯坦的理论证明是正确的。表示“随着”时,也可以用with,但with是介词,后面一般不接句子。With the passing of the years,they have become close friends.几年过去了,他们已成了亲密朋友。,11.go by 经过(某地);(时间)过去;(机会等)失去;遵循,依据办事 go by=pass 一辆汽车全速

32、驶过。A car went by at full speed.一星期一星期慢慢地过去了。The weeks went slowly by.不要错失这次机会。Dont let this chance go by.那是需要遵守的好规章。That is a good rule to go by.,12.There are/were times when有段时期;有时常会There was a time when.曾经一度;有一段时间There are times when I dont know what to do.There was a time when the star was popula

33、r with the young people.曾经有段时间这个明星很受年轻人欢迎。,at one time过去曾经,一度”,用于一般过去时态at a time“一次,每次”或“在某个时候”at times“有时,不时”,相当于from time to time或sometimesat one time,at a time,at times(1)Take two pills_.(2)_women were looked down upon.(3)He receives letters from his parents_.(4)_they were good friends.,at a time

34、,At one time,at times,At one time,13.totally adv.=completely14.so+形容词(副词)+that.such+名词+that.(1)sothat引导结果状语从句,其结构是:so+adjadv.+that-c1auseso+adj+a(n)+单数可数名词+that-clauseso+manyfew+可数名词复数+that-clauseso+muchlittle+不可数名词+that-clause(2)suchthat也可引导结果状语从句,其结构是:such-+a(n)+adj+单数可数名词+that-clausesuch+(adj.)+不

35、可数名词+that-clausesuch+(adj.)+可数名词复数+that-clause,The stone is so heavy that no one can lift it.We left early so that we could catch the first train.,He was so excited that he could not speak.,He ran so fast that I couldnt catch up with him.,so that-因此,结果,He got up late,so that he didnt get to work on

36、time.,so+形容词(副词)+that.结构中so+形容词(副词)在句首时,句子用倒装结构He works so hard that he seldom goes home.,So hard does he work that he seldom goes home.,(1)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(2)It was

37、_ that we went camping in the mountains.A.such nice weather B.such a nice weather C.so nice a weather D.too nice weather(3)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 that,A,A,C,(4)So large_ that I co

38、uldnt believe it.A.did my memory become B.my memory became C.my memory did become D.became my memory(5)This is such an interesting film that we all want to see it.This film _ that we all want to see it.,A,is so interesting,15.deal with处理,对付;和打交道,对待;论述,涉及 How-deal with/What-do withHow shall we deal w

39、ith the problem?Such people are difficult to deal with.Deal with a man as he deals with you.We have dealt with the company for 10 years.This book deals with problems of pollution.,我们将如何处理这个问题呢?,这种人不好对付。,以其人之道,还治其人之身。,我们同那家公司打了十年的交道了。,这本书论述污染问题。,deal with 1)处理,解决,安排2)对待,对付,宾语是人3)谈论,涉及,we must deal wi

40、th this problem as soon as possible.,Deal with a man as he deals with you,The book deals with the questions of maths.,16.serve服务;服役我们应该全心全意地为人民服务。We should serve the people heart and soul.There was no one in the shop to serve him.店里没人接待他。现在午饭准备好了。Lunch is served now.他在部队服役五年。He served in the army fo

41、r five years.,(1)The shop assistant_(在接待)a customer.(2)Be sure_(上)coffee hot.(3)He _(在部队服役)since 1979.,has served in an army,to serve,is serving,17.at birth/by birth/of.birth/give birth toat birth在出生时by birth在血统上;生来of.birth 的出身give birth to生产;生下(1)The baby weighed 7 pounds_.(2)He is British_though h

42、e was born in France.(3)The dog_ a couple of lovely little dogs.(4)She is_ good_.(5)Her sister_ twins last night.,at birth,by birth,gave birth to,of,birth,gave birth to,Difficult sentences,Then in 1822 I was built as an Analytical Machine by Charles Babbage.,2.I followed instructions from cards with

43、 holes.,3.My real father was Alan Turing,who in 1936 wrote a book to describe how computers could be made to work,and built.problem.,4.As the years have gone by,I have been made smaller and smaller.,5.No one could recognize me after I got my new transistors in the 1960s.,6.I love being used to conne

44、ct people who arent close enough to speak to each other.,There were times when 有一段时间,follow an orderfollow ones advicefollow a customfollow sb.s example,服从命令听从劝告遵循一种习俗向某人学习,eg:As a soldier,you must learn to follow orders.,He is willing to follow others advice.,Vocabulary,Snow is _(常见的)in cold countr

45、ies.Can you _(估计)the cost of this journey?The _(分析)of the samples on the murder spot showed some valuable clues to the police.I shall go and see him _(无论如何)。Hes some kind of _(数学)genius.He is too _ to work out such a difficult problem.He asked his fathers o_ about his plans.How are you going to d_ w

46、ith the letter?,common,calculate,analysis,anyway,mathematical,simple-minded,pinion,eal,I t_ agree to your plan.This is a t_ beautiful picture.The wealth of society is _(创造)by the laboring people.The children _(漫步)in the woods that day.Please _(编程序)the computer to do the job.Our football _(教练)trains

47、the team._(就我个人而言),I think he is dishonest,but many people trust him.,otally,ruly,created,wandered,program,coach,Personally,Phrase,Try to read the words and phrases,Calculating machine 计算机器Analytical Machine 分析机Universal machine 通用计算器 Artificial intelligence 人工智能Technological revolution 技术革命Mathemat

48、ical problem 数学问题Transistor 晶体管,听起来简单技术革命人工智能作为开始解决问题一个头脑简单的人数学问题被完全改变了与信息共享为人类服务,1)sound simple2)a technological revolution3)artificial intelligence4)begin as5)solve a problem6)a simple-minded man7)mathematical problem8)be totally changed9)share information with10)serve the human race,处理老百姓常识在我看来公众

49、舆论分析法与共居一室与有关(从旁)走过使生效,deal withthe common people common knowledgein my opinionpublic opinionan analytical methodshare a room withconnect with go by bring into effect,做出决定聚集毕竟在的帮助下编造,化妆依造某人的观点私人信件看守,监视玩得愉快一年一度,make a decisionget togetherafter allwith the help of make upin ones opiniona personal lett

50、erwatch overhave a good timeonce a year,1)允许某人干某事2)建筑材料3)事实上4)创建一栋新楼5)在某种程度上,allow sb.to do sth.building materialsin fact create a new buildingin a way,句型转换,练习,1)What did you do with the letter?_ did you _ _the letter?Since then,billions of people have used computers to deal with information.Since t

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