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1、Unit 3Unit 3ComputersComputerscalculateuniversalsimplifysumoperatorlogicallogicallyvt. 计算计算adj. 普遍的；宇宙的普遍的；宇宙的vt. 简化简化n. 总数；算术题；金额总数；算术题；金额n.（电脑）操作员；（电脑）操作员； 接线员接线员adj. 合逻辑的；合情理的合逻辑的；合情理的adv. 逻辑上；合逻辑地；逻辑上；合逻辑地； 有条理地有条理地Words previewtechnologytechnologicalrevolutionartificialintelligenceintelligentso
2、lverealityn. 工艺；科技；技术工艺；科技；技术adj. 科技的科技的n. 革命革命adj. 人造的；假的人造的；假的n. 智力；聪明；智能智力；聪明；智能adj. 智能的；聪明的智能的；聪明的vt. 解决；解答解决；解答n. 真实；事实；现实真实；事实；现实Words previewpersonalpersonallytubetotaltotallynetworkwebadj. 私人的；个人的；私人的；个人的； 亲自的亲自的adv. 就个人而言；亲自就个人而言；亲自n. 管；管子；电子管管；管子；电子管adj. 总的；整个的总的；整个的n. 总数；合计总数；合计adv. 完全地；整
3、个地完全地；整个地n. 网络；网状物网络；网状物n. 网网Words previewapplication financemobilerocketexploreanyhowgoal happinesshuman racen. 应用；用途；申请应用；用途；申请n. 金融；财经金融；财经n. 可移动的；机动的可移动的；机动的n. 火箭火箭vt. & vi. 探索；探测；探究探索；探测；探究adv. 无论如何；即使如此；无论如何；即使如此；n. 目标；目的；球门目标；目的；球门n. 幸福；快乐幸福；快乐人类人类Words previewfromonas a resultsothat从从时起时起结果结
4、果如此如此以致于以致于 Expressions previewWHO AM I?ReadingSkimming to get general ideas1. Who is the speaker in this story? 2. 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 being
5、s.A computer.SkimmingReading Comprehension I Look at these inventions. Can you put them in an order according to the time when they appeared? ( ) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine 123456SkimmingReading Comprehension IICareful reading to solv
6、e difficult points1. intelligence n. 智力；聪明智力；聪明intelligence quotient 智商智商an intelligence test 智力测验智力测验an intelligence agent 情报员情报员; 谍报员谍报员intelligent adj. 智能的；聪明的智能的；聪明的an intelligent reader 理解力强的读者理解力强的读者intelligent reply 巧妙的答复巧妙的答复He is an intelligent person.他是一位有才智的人。他是一位有才智的人。2. solve vt. 解决；解答解
7、决；解答(1) I cant solve the problem. 我解答不了这个难题。我解答不了这个难题。 (2) Help me to solve my financial troubles.请帮我解决经济困难。请帮我解决经济困难。 (3) The greatest scholar cannot solve this difficult problem. 再伟大的学者也没有再伟大的学者也没有办法解答这个难题。办法解答这个难题。 3. as a result 结果结果 He was caught in the traffic jam. As a result, he was late for
8、 work. 由于交通阻塞，他上班迟到了。由于交通阻塞，他上班迟到了。as a result of 作为作为.的结果的结果 He was late as a result of the snow. 由于大雪他迟到了。由于大雪他迟到了。 4. explore vt. & vi. 探索；探测；探究探索；探测；探究(1) He had an itch to get away and explore. 他等不及要动身去探险。他等不及要动身去探险。 (2) Can you explore the market possibility for us? 您能为我们考察一下市场前景吗？您能为我们考察一下市场前
9、景吗？ exploration n. 勘察；考察勘察；考察 These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Over time I have been changed quite a lot.Para 1:Para 2:Para 3:Match the main ideas and the paragraphs.Scanning to get detail information1. My real fath
10、er was Charles Babbage, who wrote a book and built me in 1936.2. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker.3. I was brought into peoples homes in the 1970s.4. Since my birth I have been built to take the place of the human race.True or FalseScanningReadin
11、g Comprehension III5. I began as a calculating machine in Japan in 1642. 6. In 1936, I grew rapidly both in size and in brainpower.7. As time went by, I was made bigger.8. Since the 1970s many new applications have been found for me.Scanning1. Who was the first person to make the earliest computer?
12、A. Alan Turing. B. Charles Babbage. C. Charles Turing. D. Alan Babbage.2. When was the “universal machine” built? A. In 1822. B. In 1642. C. In 1936. D. In 1970. ScanningReading Comprehension IV3. When was the computer the biggest? A. In 1642. B. In 1936. C. In the 1940s. D. In the 1970s.4. How old
13、is the computer? A. About 170 years old. B. About 270 years old. C. About 370 years old D. About 470 years old.Scanning5. Which of the following is in the right order of time?a. The computer was connected with other computers.b. Alan Turing wrote a book about the computer.c. The computer has been se
14、nt to explore the Moon and Mars.d. The computer began to simplify difficult sums. A. a. b. c. d. B. b. c. a. d. C. d. a. c. b. D. d. b. a. c.Scanning16421822The analytical machine was made by Charles Babbage.The computer began as a calculating machine1936The computer grew rapidly both in size and in
15、 brainpower.Finish the timeline below.ScanningReading Comprehension V1940sThe first family of computers was connected to each other.1970s Now1960sComputers were used in offices and homes.Computers connect people all over the world together.The computer had grown as large as a room. The history of co
16、mputersthe second generation (1956-1963)the third generation (1964-1971)the fourthgeneration(1971- )the first generation (1945-1956)Complete the chart below. Para-graph 1Para-graph 2Para-graph 3Topic sentenceSupporting detailstubescommunica-tions financeScanningReading Comprehension VIParagraph 1Top
17、ic sentenceOver time I have been changed quite a lot.Supporting details1 calculating machine2 analytical machine3 universal machine4 PC5 laptopParagraph 2Topic sentenceThese changes only became possible as my memory improved.Supporting details1 tubes2 transistors3 chips4 network5 World Wide WebParag
18、raph 3Topic sentenceSince the 1970s many new applications have been found for me.Supporting details1 communications 2 finance 3 trade4 robots 5 mobile phones6 medical operations7 space rockets8 providing a life of high qualityBrainstorm a list of things that you, your school and your familyuse compu
19、ters for.Think about what you wouldhave to do if you could not usecomputers any more.DiscussionDiscussion List of use of computersWhat people did before computersemailwrite lettersword processingwrite by hand or typewritersearch for informationlook in encyclopedia, library, etcwatch DVDsgo to the ci
20、nemastore informationwrite everything down and out into files and folderspalmtop smaller desktop convenient laptop What are todays smaller computers like?virtual keyboards 虚拟键盘虚拟键盘nose-topkeyboard-vest1. What can we do by computer in the future?2. What can the future computer be like?You are given a
21、 chance to design a computer for yourself. Draw a picture about it and describe (描述描述) what functions it has. You will be asked to introduce (介绍介绍) your computer. (appearance &functions)DebateDebateWhat are advantages and disadvantages of computers?1. Each side has four students (debaters).2. The fi
22、rst student states your viewpoint.3. Then move onto the free talk part.4. The last student concludes your opinion with some sentences.Rules for debating QuizQuiz Retell the text by filling the following blanks.I began as a _ _ in 1642 in France. In 1822 I was built as an_ _. Then in 1936 Alan Turing
23、 wrote a book and built a _ _. As the years have gone by, I have been made _ and _ but I became _ and _.Quiz IIn the _ they gave me a family connected by a _. Now people call it the _. I have been used in _ and _ since the 1970s. So I became PC. Since my _ I have truly been built to serve the _ _. I
24、 began as a _ _ in 1642 in France. In 1822 I was built as an_ _. Then in 1936 Alan Turing wrote a book and built a _ _. As the years have gone by, I have been made _ and _ but I became _ and _. calculating machineanalytical machinemachineAnswer:universalsmallersmallerclevererquickerIn the _ they gav
25、e me a family connected by a _. Now people call it the _. I have been used in _ and _ since the 1970s. So I became PC. Since my _ I have truly been built to serve the _ _. network1960sInternethumanraceofficeshomesbirthTranslationTranslationQuiz II 1. 他不用功他不用功, 结果考试不及格。结果考试不及格。2. 专家们正在勘查这个岛的各个部分。专家们正
26、在勘查这个岛的各个部分。3. 这种新型的电脑是专为老师和学生设计的。这种新型的电脑是专为老师和学生设计的。 He didnt work hard, as a result he failedhis exam.The experts are exploring every part of the island.This new type of computer has been specially designed for teachers and students. 1. I got caught in the rain and my suit_. (2007 北京卷北京卷) A. has r
27、uined B. had ruined C. has been ruined D. had been ruinedQuiz III2. I have got a headache. No wonder. You in front of that computer too long. (2007 江西卷江西卷) A. work B. are working C. have been working D. worked3. In recent years many football clubs _ as business to make a profit. (2008 上海卷上海卷) A. hav
28、e run B. have been run C. had been run D. will run4. I like these English songs and they _many times on the radio. (2008 安徽卷安徽卷) A. taught B. have taught C. are taught D. have been taughtHomework1. Read the text after class and look for more information about the development of the computer and its applications.2. Retell the passage.