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1、Unit 3 ComputersUseful phrasescalculating machineAnalytical machinecard with holestechnological revolutionuniversal machineartificial intelligencego byby internethuman race計(jì)算器計(jì)算器分析機(jī)分析機(jī)穿孔卡穿孔卡技術(shù)革命技術(shù)革命萬能機(jī)萬能機(jī),通用機(jī)器通用機(jī)器人工智能人工智能走過,過去走過,過去通過網(wǎng)絡(luò)通過網(wǎng)絡(luò)人類人類Guess! A toy?A handbag? I am very old now. I was born in
2、China. Many people used me for calculating in the past, but now I am a bit lonely because they dont like me now. Do you know who I am?Do you know who I am?abacusGuess more: I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems. Do you k
3、now who I am?Do you know who I am?calculator I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because Im small enough for you to take me with you.notebook computerDo you know who I am?Do you kn
4、ow who I am?A huge computerA PCPalmtop(掌上型電腦掌上型電腦)ReadingWho am I ?1. Who am I?2.Who was the first person to make the earliest computer?A. AlAn TuringAlAn Turing B. ChArles BABBAgeChArles BABBAge C. Charles Turing3.When was the “universal machine” built?A. In 1822 B. In 1642 C.1936computer(B)(C)Skim
5、 the passage and answer the questions as quickly as possible:4. In which order is the text organized? 1642 The Analytical Machine was made by Charles Babbage. 19361940s The first family of computers was connected to each other.1970sTimelineThe computer began as a calculating machine1822Alan Turing w
6、rote a book to describe how computers could be made to workComputers had grown as large as a room.1960s Computers connect people all over the world together.Scanning: Para. 1 Topic sentence: Supporting details: Over time I have changed quite a lot.calculating machineanalytical machineuniversal machi
7、nePClaptopa huge computerPara. 2 Topic sentence: Supporting details: tubes These changes only became possible as my memory improved.transistorschipsnetworkWorld Wide Webintelligent but lonelyPara. 3 Topic sentence: Supporting details: communications finance Since the 1970s many new applications have
8、 been found for me.traderobotsmobile phonesmedical operationsspace rockets providing a life of high quality134567821 1、You can choose the number you like. You can choose the number you like. 2 2、Being familiar with the detailed Being familiar with the detailed information is a must. information is a
9、 must. 3 3、The winner is the one who gets the The winner is the one who gets the highest score.highest score.No 1.(0) You are unlucky. You cant get the point .Choose the best answers1) Whats the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the compute
10、r. C. The computer becomes popular around the world. D. The history of the computer.No.2(4)No.3(3) You are lucky.You can get 5 points without answering any question !2) What can you infer(推斷推斷) from the text? A. The computer has artificial intelligence. B. The computer changes a lot over the years.
11、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.Choose the best answersNo.4(6)Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes. Questions and Answers
12、 No.5(6) True or False (correct the false part) People began to realize that the computer got cleverer and quicker with time passing.TNo.6(4)1243561. monitor 2. screen 3. CD-ROM4. mouse 5. keyboard 6. hard diskLabel each partNo.7(8)No.8(10)Q2. What can the computer be used for with the help of the i
13、nternet? (at least five applications/usages)Questions and answersComputersend emailsplay gamescommunicate with my friends.gather information for my lessonslisten to musicwatch moviesdo shopping onlineThe beautiful sentences that you should remember.L9: At that time it was considered a technological
14、revolution and the start of my “artificial intelligence” L14:By the 1940s I had grown as large as a room, and I wondered if I would grow any larger.L16: As time went by, I was made smaller.L18: These changes only became possible as my memory improved.L25 Since the 1970s many new applications have be
15、en found for me. I have become very important in communication, finance and trade. L20. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.Advantages and disadvantages of the computers. Discussion Discussion advantages communicate with friends
16、listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things Disadvantagesteenagers abandon (沉迷于沉迷于) themselves to the computer games chat on the Internet. As a result, they have little time to study .Some people use the computer wrongly 假如你是李華,最近你對(duì)本班的60名同學(xué)進(jìn)行了上網(wǎng)目的的
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