人教版高中英語(yǔ)必修二 Unit 3《Computers》[綜合課件下載]

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,,,Welcome,,Unit 3 Computer,課時(shí)分配,Warming up,The development of computer P17 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 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 personal 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.,You are asked to use the following expression in your discussion. I think that … In my opinion… I believe that… Why do you think so? What’s your reason?,Discussion,,I 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 are being used widely and conveniently in the world.,Soft disc (floppy disc),CD-ROM,printer,scanner,mp3,U S B,Some Information about the computers and the internet,Hardware Software Host Output Programs Memory Drives Desk-top computer Business computer Digital 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,Chat rooms ,net bar, chat bar On-line friends Be on-line, on the internet Down-load files Send and receive e-mail Web fans Internet sites E-mail box Electronic mail Local Area Network Log in Log out netizen,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,Floppy disc,chips,monitor,modem,CD-ROM,scanner,Key-board,printer,Using words and expressions Fill in the blanks with the proper words in the box,Complete 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 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 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 … What’s your reason? Why do you think so?,I use the computer or Internet to:,type my homework draw pictures play games communicate with my friends. gather related information for my lessons buy the things I like, eg books and clothes. listen to music watch 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 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:,,Calculating 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 you 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 people’s 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 discovered I had “artifical intelligence.”,Look at the timeline below.Fill in the blanks with in-formation from the reading above. Timeline 1642:_________________________________ ____: The Analytical Machine was made by Charles Babbage 1936:___________________________________ ____________________________________ 1960s:___________________________________ _____: The first family of computers was connected to each other 1970s:_________________________________________ Now:__________________________________________,The computer began 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 people’s homes.,Computers connect people all over the world together,According 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 “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.,The 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 mathematical 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 important tools to connect people all over the world together.,,,Read the text carefully, find out the difficult points.,Homework,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 people’s homes, in 1970s, communicate with by the Internet,,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 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 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 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，常見的；共有的，共用的 ①在英國(guó)Smith是個(gè)很普通的名字。 Smith is a common name in England. ②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 ③他們雖是兄弟，但毫無共同之處。 They are brothers, but they have nothing in common. ④和許多人一樣，他喜歡古典音樂，而不喜歡流行音樂。,,In common with many people, he prefers classical music to pop music. ⑤In 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 football.,A,anything in common,common people,In common with most Englishmen,(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 all the children in the neighbourhood.,In common with many young couples,have a lot in common with,have anything in,is used in common,common,,(10) ______ he gets up at 6:30. But today he got up earlier than ______. Commonly; usual B. Normally; usually C. Usually; usual D. Usually; common (11) Are Mary and Susan ______ names 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 common C. nothing in common D. no common,A,B,B,2. in one’s opinion 依……來看 在我們看來，秋天是北京最好的季節(jié) ①In our opinion, autumn is the best season in Beijing. ② What’ s your opinion of this question? in one's view =in the view of sb. = in one's opinion = in the opinion of sb. 據(jù)……的見解,be 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 have a poor opinion of . 對(duì)……評(píng)價(jià)低 (1)_________that this one will meet our need. A. In my opinion B. I believe C. I think in mind D. I seem (2)_________ (依我來看), the price is not reasonable.,B,In my opinion,(3)They are___________________(意見不一致). (4)People_________________________(對(duì)他評(píng)價(jià)很低).,of different opinions,have a poor opinion of him,3.follow跟隨；沿著；聽懂；遵循；聽從 follow one’s instructions 執(zhí)行(某人的)指令 ①Follow this road, and you'll get there. ②I'm sorry I don't quite follow you. ③You 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。,④你先走，我隨后就到。 ⑤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。 ⑥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 I’ll 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.,①村民們?nèi)匀蛔駨乃麄冏嫦鹊牧?xí)俗. The villagers still _________________ of their grandfathers. ②他走進(jìn)商店,他的妻子緊隨其后. He walked into the shop first and his wife _________. ③順著這條大街走,你就能走到那所學(xué)校. ______ this street ______ you get to the school.,follow the customs,followed,Follow,until,④他說得那么快,我都聽不清了. He spoke so fast __________________________. ⑤老師命令學(xué)生及早到達(dá). The teacher gave the students _______________ ____________. ⑥服這藥之前你要看看瓶上的說明. Read the ___________ on the bottle ______ you ____ the medicine. ⑦有時(shí)她指導(dǎo)滑冰. She sometimes _________________ in skating.,that I couldn’t follow him,instructions to,arrive early,instructions,before,take,gives instruction,,(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. descriptions,D,A,(10)I__________________________(接受了老師的建議) and pay more attention to my spoken English. (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 orders,follow the teacher’s advice,the clear instructions,followed him into the house,4.sound The 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 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. terribly,A,A,(3)The task_______________(看起來很容易) ,but it took us a week. (4)Cotton_______________________(摸起來很軟).,feels very soft,seems easy,5. simple 簡(jiǎn)單的；單純的；樸素的 ①請(qǐng)用簡(jiǎn)單的英語(yǔ)寫一則故事。 Please write a story in simple English. ②他并不像看上去那樣單純。 He is not as simple as he looks. ③她過著樸素的生活。 She lives a simple life.,simple-minded: showing very little intelligence,①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.,② She wasn’t as simple-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,absent-minded open-minded narrow-minded single-minded strong-minded weak-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,(1) Gibert ______ electricity, but Edison______ light bulb. A. discovered; found B. discovered; invented C. invented; discovered D. 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.,B,Don’t be absent-minded,to be a broad-minded person,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。 ①I had thought he knew the time of the meeting. ②我本來以為這部電影很有趣，可實(shí)際上很無聊。 ③她本來以為父親會(huì)很高興，但并沒有。,I had thought this film was very interesting.,She had thought her father would be very happy.,7.intelligence n．智力；聰明 intelligent adj．有智力的；聰明的；理解力強(qiáng)的 ①He is a person of great intelligence. 他是個(gè)極聰明的人。 ②海豚是有智力的動(dòng)物。 A dolphin is an intelligent animal.,8. anyway =anyhow adv. 無論怎樣, 無論如何 ①I shall go and see him anyway. ② I’m going to do it anyway. ③ Anyway I must finish the work today.,,,,9. be the size of … 有…大 The house is half the size of that one.,10.as conj. 隨著……，引導(dǎo)時(shí)間狀語(yǔ)從句。 As time went on, Einstein's 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 close friends. 幾年過去了，他們已成了親密朋友。,11. 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 ①一輛汽車全速駛過。 A car went by at full speed. ②一星期一星期慢慢地過去了。 The weeks went slowly by. ③不要錯(cuò)失這次機(jī)會(huì)。 Don't let this chance go by. ④那是需要遵守的好規(guī)章。 That is a good rule to go by.,7.As the years have gone by, …,___ 隨著,(1) As time went on / as 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),①②③④⑤⑥,(1)As time________, she became more and more anxious about her son's 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 gone 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 country’s____________, more and more waste will be produced.,D,B,C,With,development,(5) A taxi_______________ (剛剛過去)。 You’ll have to wait 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.,12.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…… ①There are times when I don't know what to do. ②There was a time when the star was popular with the young people. 曾經(jīng)有段時(shí)間這個(gè)明星很受年輕人歡迎。,at 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sometimes at 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,At one time,at times,,At one time,,13.totally adv. = completely 14. so + 形容詞(副詞)+ that…. such + 名詞 + that…. (1)so…that引導(dǎo)結(jié)果狀語(yǔ)從句，其結(jié)構(gòu)是： so+ adj／adv.+that-c1ause so+ adj．+a(n)+單數(shù)可數(shù)名詞+that-clause so+ many／few+可數(shù)名詞復(fù)數(shù)+that-clause so+ much／little+不可數(shù)名詞+that-clause (2)such…that也可引導(dǎo)結(jié)果狀語(yǔ)從句，其結(jié)構(gòu)是： such-+ a(n)+ adj．+單數(shù)可數(shù)名詞+that-clause such+ (adj.)+不可數(shù)名詞+that-clause such+ (adj.)+可數(shù)名詞復(fù)數(shù)+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 couldn’t catch up with him.,so that --- 因此, 結(jié)果,He got up late, so that he didn’t get to work on time.,so + 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.,(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______ 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 couldn't 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處理，對(duì)付；和……打交道，對(duì)待；論述，涉及 How ----deal with / What ---- do with ①How shall we deal with the problem? ②Such people are difficult to deal with. ③Deal with a man as he deals with you. ④We have dealt with the company for 10 years. ⑤ 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。,這本書論述污染問題。,deal with 1)處理,解決,安排 2)對(duì)待,對(duì)付,賓語(yǔ)是人 3)談?wù)摚婕?we 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.,(1)How are you going to________ such problems? A. do with B. deal with C. deal D. do up (2) _________ pollution is a serious problem 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).,B,C,a lot of letters to deal with,to deal with those noisy children,deals with Ancient Greece,deal fairly with all of the students,16.serve服務(wù);服役 ①我們應(yīng)該全心全意地為人民服務(wù)。 We should serve the people heart and soul. ②There was no one in the shop to serve him. 店里沒人接待他。 ③現(xiàn)在午飯準(zhǔn)備好了。 Lunch is served now. ④他在部隊(duì)服役五年。 He served in the army for five years.,(1)The shop assistant_______________(在接待) a customer. (2) Be sure__________________(上) coffee hot. (3) He ____________________(在部隊(duì)服役) since 1979.,has served in an army,to serve,is serving,17.at birth/ by birth/ of . birth/ give birth to at 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_________ 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 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 connect people who aren’t close enough to speak to each other.,There were times when… 有一段時(shí)間,,follow an order follow one’s advice follow a custom follow 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 other’s advice.,Vocabulary,Snow is __________(常見的) in cold countries. Can you __________(估計(jì)) the cost of this journey? The __________(分析) of the samples on the murder