【課件】人教新課標(biāo)必修二unit3computers

1、Welcome1Unit 3 Computer2課時(shí)分配課時(shí)板 塊Period 1Warming up and Reading I Period 2Reading Period 4Reading IIPeriod 5GrammarPeriod 6Exercises3Warming upThe development of computerP17 Look at the pictures. Talk about each of them. Discuss what they have in common.4An abacusA calculatorA PC(=personal computer)

2、A notebook computer/laptopA huge computer 5An abacus is an old calculating machine used in China until 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 perso

3、nal computer which can solve all kinds of problems and is widely used now.A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.6You are asked to use the following expression in your discussion. I think that In my opinionI believe thatWhy do you think so?Wh

4、ats your reason?Discussion7I think they all can calculate something.It can deal with some maths problem.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 a

5、re being used widely and conveniently in the world.8Soft disc(floppy disc)CD-ROM9 printer10scanner11mp312U S B13 Some Information about the computers and the internet Hardware SoftwareHostOutputProgramsMemory DrivesDesk-top computerBusiness computerDigital movie硬件軟件主機(jī)輸出程序內(nèi)存儲(chǔ)器驅(qū)動(dòng)器臺(tái)式計(jì)算機(jī)商務(wù)計(jì)算機(jī)數(shù)字影像14Chat

6、rooms ,net bar, chat bar On-line friendsBe on-line, on the internetDown-load files Send and receive e-mailWeb fans Internet sites E-mail boxElectronic mail Local Area NetworkLog inLog outnetizen 網(wǎng)吧網(wǎng)友上網(wǎng)，在線下載文件收發(fā)郵件網(wǎng)迷網(wǎng)址電子郵件電子郵件箱局域網(wǎng)登陸注銷網(wǎng)民15Floppy discchipsmonitormodemCD-ROMscannerKey-boardprinterUsing w

7、ords and expressionsFill in the blanks with the proper words in the box16Complete 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

8、 store information. A _is a machine for printing text or pictures onto paper ,especially one 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 ea

9、sily.A_ is a disc that contains computer data. It can store a large amount of data. monitorhard diskprinterkeyboardmodemfloppy discCD-ROMCompact Disk Read only Memory17Discussion What can computer be used for? I think that In my opinion I believe that Whats your reason? Why do you think so?18I use t

10、he computer or Internet to:type my homeworkdraw picturesplay gamescommunicate with my friends.gather related information for my lessonsbuy the things I like, eg books and clothes.listen to musicwatch movies.19Pre-readingWhat do you know about computer?For example,can you name some parts of computer?

11、 2. How have computers changed our lives?mousekeyboardmonitor20Listen to the tape and answer the questions.1. Who am I?Who was the first person to make the earliest computer?A. Alan Turing B. Charles Babbage C. Charles Turing3.When was the “universal machine” built?A. In 1822 B. In 1642 C.1936comput

12、er(B)(c)21 Read the text again and find out the changes of computer 22Changes of the computer:Calculating machineAnalytical machineUniversal machine Artificial intelligence network(In 1642)(In 1822)(in 1936)(In the 1960s)internet(In the 1970s)23 1.Where were you in 1642?3 What were you called in 193

13、6?4 What did you get in the 1960s?What happened to you in the 1970s? 2 What happened to you in 1822?241 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 FranceI was built as an Analytical Machi

14、ne by Charles Babbage.Universal machine.I got my new transistors.I was brought into peoples homes.25Comprehending1 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

15、real father was Alan Turing, 3 However, people thought I was simple-minded until they discovered I had “artifical intelligence.”26Look 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:_

16、_: The first family of computers was connected to each other1970s:_Now:_The computer began as a calculating machine1822Alan Turing wrote a book to describe how 1960scomputers could be made to workComputers had new transistors and became smallerComputers were brought into peoples homes.Computers conn

17、ect people all over the world together27According to the timeline and the outline to 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

18、“universal machine “ to solve . With the development of ., in the 1960s, computers had new transistors 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.28The

19、 summary about the text The computer began only as a calculating machine in 1642, then in 1822, it was built as an 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 mathemat

20、ical problem. With the development of information technology, in the 1960s, computers had new transistors and became smaller 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 importa

21、nt tools to connect people all over the world together.29Read the text carefully, find out the difficult points.Homework 30 a calculating 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 peo

22、ples homes, in 1970s, communicate with by the Internet31 I was born in_in France. In_, I was built as an_,following instructions from cards with 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 w

23、ere 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 transistors. My memory became_ and_, but I got _and_, quicker and quicker. 16421822Analytical Machine1936buildinguniversalintelligence1960slarger

24、largercleverercleverer32I 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 billions of people. I am happy that I have truly been built to serve _ _since my birth.1970s humane race33Languge mon adj. 普通的，常見的；共有的，共用的在英國(guó)Smith是個(gè)很普通

25、的名字。Smith is a common name in England.他們對(duì)音樂都有著共同的強(qiáng)烈興趣。A great interest in music was common to them. in common (with) (和)一樣have sth. in common (with) (與)有共同之處他們雖是兄弟，但毫無共同之處。They are brothers, but they have nothing in common.和許多人一樣，他喜歡古典音樂，而不喜歡流行音樂。35In common with many people, he prefers classical mu

26、sic to pop music.In common with many other girls, Anne likes dancing.(1)They have a lot_ and became good friends very soon. A. in common B. in case C. in surprise D. in interest(2)Does this book have_ (共同之處)with that one?(3)We are_ (普通人), but we can do something well.(4)_ (和多數(shù)英國(guó)人一樣), he enjoys footb

27、all.Aanything in commoncommon peopleIn common with most Englishmen36(6)像許多年輕的夫婦一樣,他們不喜歡跟父母住在一起._ _ _ _ _ _, they do not like to live with their parents.(7)我們?cè)跇I(yè)余愛好方面有許多共同之處We _ _ _ _ _ _ each other in hobby.(8)這兩次地震有什么共同點(diǎn)嗎？Do the two earthquakes _ _ _ _?(9)這游泳池由附近的孩子們共同使用.The swimming pool _ _ _ _ by

28、 all the children in the neighbourhood.In common with many young coupleshave a lot in common withhave anything in is used in commoncommon37(10) _ he gets up at 6:30. But today he got up earlier than _.Commonly; usual B. Normally; usuallyC. Usually; usual D. Usually; common(11) Are Mary and Susan _ n

29、ames for girls in English-speaking countries?usual B. common C. ordinary D. normal(12)The twin sisters have _ with each other except that they look alike. a lot in common B. little in commonC. nothing in common D. no commonABB382. in ones opinion 依來看在我們看來，秋天是北京最好的季節(jié)In our opinion, autumn is the best

30、 season in Beijing. What s your opinion of this question? in ones view=in the view of sb.= in ones opinion= in the opinion of sb. 據(jù)的見解39be of the same opinion意見一致be of different opinions意見不一致have a good opinion of. 對(duì)評(píng)價(jià)高h(yuǎn)ave a poor opinion of . 對(duì)評(píng)價(jià)低(1)_that this one will meet our need. A. In my opini

31、on B. I believe C. I think in mind D. I seem(2)_ (依我來看), the price is not reasonable.BIn my opinion40(3)They are_(意見不一致).(4)People_(對(duì)他評(píng)價(jià)很低).of different opinionshave a poor opinion of him413.follow跟隨；沿著；聽懂；遵循；聽從follow ones instructions 執(zhí)行(某人的)指令Follow this road, and youll get there. Im sorry I dont

32、quite follow you.You should follow the rules of the lab when you are doing experiment.沿著這條路走，你就會(huì)到那兒。對(duì)不起，我不太明白你的意思。你們做實(shí)驗(yàn)時(shí)，就應(yīng)該遵守實(shí)驗(yàn)室的規(guī)則。42你先走，我隨后就到。如果你聽從我的勸告而努力學(xué)習(xí)，你考試就能及格。instructions意為“指示，命令” ;“說明”時(shí)，常用復(fù)數(shù)形式。他指示我們盡快完成這項(xiàng)任務(wù)。He gave us instructions to finish this task as soon as possible.You go first, then

33、 Ill follow you.If you follow my advice and study hard, you will pass the exam.瓶子上有說明。 The instructions are on the bottle.43村民們?nèi)匀蛔駨乃麄冏嫦鹊牧?xí)俗.The villagers still _ of their grandfathers.他走進(jìn)商店,他的妻子緊隨其后.He walked into the shop first and his wife _.順著這條大街走,你就能走到那所學(xué)校._ this street _ you get to the school.f

34、ollow the customsfollowedFollowuntil44他說得那么快,我都聽不清了.He spoke so fast _.老師命令學(xué)生及早到達(dá).The teacher gave the students _.服這藥之前你要看看瓶上的說明.Read the _ on the bottle _ you _ the medicine.有時(shí)她指導(dǎo)滑冰.She sometimes _ in skating.that I couldnt follow himinstructions toarrive earlyinstructionsbeforetakegives instructio

35、n45(8)There was a terrible noise_ the sudden burst of light.followed B. being followed C. to be followed D. following(9)You should take the medicine according to the_ on the bottle. A. instructions B. orders C. advices D. descriptionsDA46(10)I_(接受了老師的建議) and pay more attention to my spoken English.(

36、11) As a soldier, you must learn_(服從命令).(12)You should give_ (清楚的說明)for every exercise.(13)I_(跟著他進(jìn)了房子) to follow ordersfollow the teachers advicethe clear instructionsfollowed him into the house474.soundThe music sounds sweet. 音樂聽起夾很It sounds (like) a good idea. 這聽起來是個(gè)好主意。It sounds as if they can do

37、 nothing about it. 聽起來他們好像也沒有辦法。(1)What he has said_. A. sounds interesting B. sounds interested C. sounded like interesting D. is sounded interesting(2)The soup tasted_. A. good B. well C. badly D. terriblyAA48(3)The task_(看起來很容易) ,but it took us a week. (4)Cotton_(摸起來很軟). feels very softseems easy

38、495. simple 簡(jiǎn)單的；單純的；樸素的請(qǐng)用簡(jiǎn)單的英語寫一則故事。Please write a story in simple English. 他并不像看上去那樣單純。 He is not as simple as he looks. 她過著樸素的生活。She lives a simple life. 50 simple-minded: showing very little intelligence 湯姆很聰明，可是他有許多頭腦簡(jiǎn)單的朋友.Tom is smart but he has a lot of simple-minded friends. She wasnt as simp

39、le-minded as people thought.她不象人們想的那樣頭腦簡(jiǎn)單。adj.- n-ed = adj. 復(fù)合形容詞51absent-mindedopen-mindednarrow-mindedsingle-mindedstrong-mindedweak-minded心不在焉的虛心的，沒有偏見的心胸狹窄的一心一意的意志堅(jiān)強(qiáng)的低能的，愚蠢的52(1) Gibert _ electricity, but Edison_ light bulb.A. discovered; found B. discovered; invented C. invented; discovered D.

40、uncovered; invented(2)_(別心不在焉);listen to the teacher carefully.(3) Try_(做一名心胸寬闊的人). That will do you a lot of good.BDont be absent-mindedto be a broad-minded person53 6.thought常用來表示“本來以為(認(rèn)為)，后來證明與事實(shí)不符合的行為。I had thought he knew the time of the meeting.我本來以為這部電影很有趣，可實(shí)際上很無聊。她本來以為父親會(huì)很高興，但并沒有。 I had thou

41、ght this film was very interesting.She had thought her father would be very elligence n智力；聰明intelligent adj有智力的；聰明的；理解力強(qiáng)的He is a person of great intelligence. 他是個(gè)極聰明的人。海豚是有智力的動(dòng)物。A dolphin is an intelligent animal. 558. anyway =anyhow adv.無論怎樣, 無論如何I shall go and see him anyway. Im going

42、 to do it anyway. Anyway I must finish the work today. 9. be the size of 有大The house is half the size of that one.5610.as conj. 隨著，引導(dǎo)時(shí)間狀語從句。As time went on, Einsteins theory proved to be correct. 隨著時(shí)間的推移，愛因斯坦的理論證明是正確的。表示“隨著”時(shí)，也可以用with，但with是介詞，后面一般不接句子。With the passing of the years, they have become

43、 close friends. 幾年過去了，他們已成了親密朋友。5711. go by 經(jīng)過(某地)；(時(shí)間)過去；(機(jī)會(huì)等)失去；遵循，依據(jù)辦事 go by = pass 一輛汽車全速駛過。 A car went by at full speed. 一星期一星期慢慢地過去了。The weeks went slowly by. 不要錯(cuò)失這次機(jī)會(huì)。 Dont let this chance go by. 那是需要遵守的好規(guī)章。That is a good rule to go by.587.As the years have gone by, _隨著(1) As time went on / a

44、s we grow older(2) go by = pass Time went by slowly.(3)My pen is gone. (no longer living; dead)Gone with the wind ( 影片名)59(1)As time_, she became more and more anxious about her sons safety. A. passing B. going by C. passed D. goes by(2)With the time_, our anxiety grew.A. goes by B. going by C.has g

45、one by D.had gone by(3)Three months_ before we knew it. A. passed by B. went C. went by D. past(4)As the wealth of the country increases, more and more waste will be produced. _the wealth of the countrys_, more and more waste will be produced.DBCWithdevelopment60(5) A taxi_ (剛剛過去)。Youll have to wait

46、 a few more minutes.has just gone by(6)Things will get easier as time goes by.(7)The weeks went by slowly.(8)He was in when I went by yesterday. 6112.There are/were times when有段時(shí)期；有時(shí)常會(huì)There was a time when . 曾經(jīng)一度;有一段時(shí)間There are times when I dont know what to do.There was a time when the star was pop

47、ular with the young people.曾經(jīng)有段時(shí)間這個(gè)明星很受年輕人歡迎。62at one time過去曾經(jīng)，一度”，用于一般過去時(shí)態(tài)at a time “一次，每次”或“在某個(gè)時(shí)候”at times “有時(shí)，不時(shí)”，相當(dāng)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.

48、at a timeAt one timeat timesAt one time6313.totally adv. = completely14. so + 形容詞(副詞)+ that. such + 名詞 + that.(1)sothat引導(dǎo)結(jié)果狀語從句，其結(jié)構(gòu)是：so+ adjadv.+that-c1auseso+ adj+a(n)+單數(shù)可數(shù)名詞+that-clauseso+ manyfew+可數(shù)名詞復(fù)數(shù)+that-clauseso+ muchlittle+不可數(shù)名詞+that-clause(2)suchthat也可引導(dǎo)結(jié)果狀語從句，其結(jié)構(gòu)是：such-+ a(n)+ adj+單數(shù)可數(shù)名詞+

49、that-clausesuch+ (adj.)+不可數(shù)名詞+that-clausesuch+ (adj.)+可數(shù)名詞復(fù)數(shù)+that-clause64The 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, 結(jié)果He got up late, so t

50、hat he didnt get to work on time.65so + 形容詞(副詞)+ that.結(jié)構(gòu)中so + 形容詞(副詞)在句首時(shí),句子用倒裝結(jié)構(gòu)He works so hard that he seldom goes home. So hard does he work that he seldom goes home.66(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

51、. such; such C. so; such D. such; so(2) 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 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 t

52、hat D. such good memory thatAAC67(4) So large_ that I couldnt 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.Ais so interesting6815.deal with處理，對(duì)

53、付；和打交道，對(duì)待；論述，涉及 How -deal with / What - do withHow shall we deal with 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. 我們將如何處理這個(gè)問題呢?這種人不好對(duì)付。以其人之道，還治其人之身。我們同那家公司打了十年的交道了。

54、這本書論述污染問題。69 deal with 1)處理,解決,安排2)對(duì)待,對(duì)付,賓語是人3)談?wù)摚婕皐e must deal with this problem as soon as possible.Deal with a man as he deals with you The book deals with the questions of maths.70(1)How are you going to_ such problems? A. do with B. deal with C. deal D. do up(2) _ pollution is a serious proble

55、m to the human race. A. What to deal with B. How to do with C. What to do with D. What to do(3) I have_(很多信件要處理).(4)It is very difficult_(對(duì)付那些吵鬧的孩子).(5)This book_(論述古希臘).(6)Teachers should_(公平對(duì)待所有的學(xué)生).BCa lot of letters to deal withto deal with those noisy childrendeals with Ancient Greecedeal fairl

56、y with all of the students7116.serve服務(wù);服役我們應(yīng)該全心全意地為人民服務(wù)。We should serve the people heart and soul.There was no one in the shop to serve him. 店里沒人接待他?，F(xiàn)在午飯準(zhǔn)備好了。Lunch is served now.他在部隊(duì)服役五年。He served in the army for five years. 72(1)The shop assistant_(在接待) a customer.(2) Be sure_(上) coffee hot.(3) He

57、_(在部隊(duì)服役) since 1979.has served in an armyto serveis serving7317.at birth/ by birth/ of . birth/ give birth toat birth在出生時(shí)by birth在血統(tǒng)上；生來of . birth 的出身give birth to生產(chǎn)；生下(1)The baby weighed 7 pounds_.(2)He is British_though he was born in France.(3)The dog_ a couple of lovely little dogs.(4) She is_ g

58、ood_.(5) Her sister_ twins last night.at birthby birthgave birth toofbirthgave birth to74Difficult sentencesThen in 1822 I was built as an Analytical Machine by Charles Babbage.2. I followed instructions from cards with holes.3. My real father was Alan Turing, who in 1936 wrote a book to describe ho

59、w computers could be made to work, and built .problem.4. As the years have gone by, I have been made smaller and smaller.755. No one could recognize me after I got my new transistors in the 1960s.6. I love being used to connect people who arent close enough to speak to each other.There were times wh

60、en 有一段時(shí)間76follow an orderfollow ones advicefollow a customfollow sb.s example 服從命令聽從勸告遵循一種習(xí)俗向某人學(xué)習(xí)eg: As a soldier, you must learn to follow orders.He is willing to follow others advice.77Vocabulary78Snow is _(常見的) in cold countries.Can you _(估計(jì)) the cost of this journey?The _(分析) of the samples on t