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Unit 3 Computers

Unit 3 Computers. has a closed connection with computers, which is widely used nowadays to explore the outer space for human race. a destructive computer virus. a calculating machine used in ancient China to deal with simple mathematical problems.

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Unit 3 Computers

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  1. Unit 3 Computers

  2. has a closed connection with computers, which is widely used nowadays to explore the outer space for human race. a destructive computer virus a calculating machine used in ancient China to deal with simple mathematical problems. a figure coded(编码) in binary system (二进制), which inspired (启示)the inventor to apply this system to the modern computer.

  3. Analyzethe following things and do logicalthinking. Can we find something in common among them? abacus Panda virus Bagua Space rocket COMPUTER calculating machine universal machine ?

  4. Before the computer was built, people used abacuses. In 1642, the first c__1__ machine was born to s__2___ difficult sums in France. 200 years later, it was built as a machine which could analyze information. Then an o__3__ made it “think” logically, but it was __4__ big that it could be used at home. As a r__5__ of technological revolution, the age of the computer’s artificial i__6__ started. From then on, it was made smaller known as a p___7___ computer and then a laptop. They have been used in offices and homes since the 1970s. At present, with the help of the n__8__, it can share knowledge with many other computers and has already been __9__ to many fields. In a way, the computer, human’s devoted friend, helps us __10__ various types of problems and offer us a life of high quality.

  5. Over timeI have been changed quite a lot. I began asa calculating machine in France in 1642. 1. calculate vt. work out sth. by using numbers 计算 e.g. calculate the cost of sth. calculate that/ wh- + clause calculator n. 计算器 calculation n. 计算 calculating adj. 精明的,会计算的 We haven’t really calculated the cost of the vacation yet.

  6. 2. simplify difficult sums simple----simply---simplify : a simple heart: 一颗纯真的心 *** analytical adj. 分析的, 解析的 analyze vt. 分析；研究 analysis n. 分析；研究 analyst n. 分析家 1) The _________of the samples on the murder spot showed some valuable clues to the police. 2) Can you _________ the following sentences? 3) Last week our company bought an “_________ Machine”. analysis analyze analytical

  7. 4. And my memory becameso large that I couldn’t believe it! so…..that…. 如此….以至于…. so + 形容词(副词)+ that…. such + 名词 + that…. He is so clever that we like him very much. He is such a clever boy that we like him very much. so… that 与 too…to… 句型的相互转换 so...that...结构的so+形容词/副词位于句首时，句子用倒装结构。 So hard does he work that he seldom goes home.

  8. B The room is ________ it can hold at least fifty people. A. such large as B. so large that C. such small as D. so small that This is such a large room that it can hold at least fifty people.(改为同义句) so that This is ____ large a room _____ it can hold at least fifty people.

  9. 5. as a result 结果 & as a result of sth. 1) He didn’t work hard, as a result he failed his exam. 他不用功, 结果考试不及格。 2) Five hundred jobs were axed as a result of government spending cuts. 由于政府缩减经费的缘故，有五百人被突然解雇了。 3) He was late as a result of the snow. 由于大雪他迟到了。

  10. technique (n.) technologist (person) technical (adj.) technological (adj.) ***. technology 1) This company is in great need of many ____________. 2) To build this machine, you must have ________ability. 3) Do you know the knowledge of agricultural _________. technologists technical technique • 选词填空: technique technology • They admired the pianist’s perfect__________. • Because of modern _____________, we have a much higher standard o living.

  11. They launched rockets to e_______ space. • P________, I think he is dishonest, but many people believe in him. • He knew that he was t_____ wrong on this question. • The computer was made to s____ any mathematics problem. • He is an i________ boy, but he is a little lazy. • It may rain, but a______ I shall go out, I don’t mind the rain. • You'd better set a g___ before you study.  • She has a very a__________ mind. • The development of the information t_________ is the greatest technological advance of the 20th century. • 10. Robots are thought to have a_______ intelligence. xplore ersonally otally olve ntelligent nyhow oal nalytical echnology rtificial

  12. ***. artificial adj. 人造的，假的 artificial flowers/limbs/pearls 假花/假肢/假珍珠 artificial intelligence 人工智能 6. intelligence n. E.g. Human intelligence; intelligence test a person of high/ low intelligence intelligent adj. an intelligent student

  13. 10. solve vt. 解决；解答 1) I can’t solve the problem. 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. 3) The greatest scholar cannot solve this difficult problem. 再伟大的学者也没有办法解答这个难题吧。 from…on 从……时起 From then on, the prince and princess lived happily. 从那時起，王子与公主就幸福地生活在一起。

  14. Anyhow, my goal is to provide humans with a life of high quality. 不定式短语做表语,同时还可以做主语! ***. anyhow=anyway adv. 无论如何；即使如此；至少 1) I couldn’t think of the name of that man anyhow. 我怎么也想不出那人的名字来了。 2) Anyhow, you can try. 至少你可以试试。 3) Anyhow I must tell the truth. 　无论如何，我必须说出真相。

  15. ***. go by 经过（ pass ） 1) 当你高兴的时候，你会觉得日子过得很快。 When you are happy, you feel the days go by really quickly. 2) 我相信事情会随着时间的推移变得容易起来。 I’m sure the things will get easier as time goes by. Go的词组 1.通过，浏览，经历 2.复习，检查 3.全力以赴 4.追求，争取 5.从事，爱好，参加考试、比赛 6.返回，追溯到 7.熄灭 8.前进，请吧，好吧

  16. 9. apply v.申请，应用 application n. 1. whoever wants to join the art club needs to fill in an _______ form first. 2.Since the 1970s many new _______ have been found for the computer. 3. If you’d like to go abroad, you have to ____ ___ the passport office _____ a visa. 4. We should _____ theory ____ practice.

  17. In my opinion, computers are built to serve the human race. 1. 依我的观点，电脑是用来为人类服务的。 2. 无论如何，还是要谢谢你。 3. 随着时光流逝，人们已经变得越来越富裕。 4. 二十世纪八十年代，人们的生活完全改变了。 Thanks anyway. As time has gone by, people have become richer and richer. In the 1980s, people’s lives were totally changed.

  18. 5. 我的腿是如此的冷以至于我以为他们是冰冻。 6. 我们可以通过因特网与别人交流信息。 7. 人们用电脑来处理信息和相互交流。 8. 我弟弟和我一样高，实际上，他长得也向我。 My legs are so cold that I think they are ice. We can share information with others by the Internet. People use computers to deal with information and communicate with each other. My brother is as tall as I. In fact, he looks like me too.

  19. 短文改错 I have a computer, born in America in 1946. From then on I am growing smaller and smaller. Looking at my appearance, you will find I am made up of the following parts: the screen like my eyes, the keyboard like my legs and the mouse like my hands. With time goes by, the Internet arose. More functions have added to me. Now I am good at dealing with a wide range of information, such as news from all fields, sports entertainment and weather forecast and so on. Under the help of the Internet, just a click, human being will be well-informed of that is happening around the world every day. As a result of I am a perfect assistant of human race on a way.I am such well equipped now that I hope I can be accessible to more people and serve people as a devoting friend. am was As ^been With what \ in so devoted

  20. 选词填空 Online shopping has made its way for 10 years in China. In 1999, the first shopping website—8848.com was set up. 1.______, more and more websites 2.____ including E-bay. In 2003 the Stars struck China. 3.____ people changed their way of shopping. This year also saw the birth of Taobao. With time 4._____, Taobao is 5.___ well develped ____ it becomes the top shopping website in China, especially after it invented alipay(支付宝)—a new and secure payment. Ma Yun, the CEO of Taobao has become the soul(灵魂人物) of the company 6. ________ go by, in a way, so… that, as a result, from then on, arise

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