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1、Unit 3 Computers 自主学习指导： 课前预习When you give up, you never know how close the success is. So in no case should you give up. 当你放弃时，你不知道成功离你多近，因此你永远不能放弃。 Learning aims:1. To find the words and expressions in the text and recite them.2. To translate the important sentences and get familiar with the sente
2、nce pattern. .I. Find out the useful words and expressions ,and try to recite them.calculating _ analytical _technological _ revolution_go by _ universal_mathematical _ artificial _intelligence _ anyway _transistor _ totally_network _ deal with _truly _ human race_与.有共同之处 技术革命 从（时间）起 结果 与 分享 也，又，还 I
3、I. Translate the following sentences.1. .it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 2. I wonder if I would grow any longer. 3. As time went by, I was made smaller. 4. Over time my memory has developed so much that, like an elephant, I never forge
4、t anything I have been told. 5. Anyhow, my goal is to provide humans with a life of high quality. Unit 3 Computers 自主学习指导： 课内探究You have to believe in yourself. Thats the secret of success. 你必须相信自己，这是成功的关键.Learning aims:1. To develop the students ability to get correct information from the text.2. To
5、 understand the development of computers.3. To master some reading skills.I. Lead-in: 1. Some pictures about computers. 2. The history of computers.II. Fast-reading: Scan the text and then answer the following questions: 1. Who is the speaker? 2. Whats the main idea of the text?It tells us the _.III
6、. Second-reading: 1. True or False questions: Alan Turing built an Analytical Machine to solve any mathematical problems. People began to realize that the computer got cleverer and quicker with time passing. The computer began to serve the human race since it was brought into peoples homes. Since th
7、e 1970s, the computer was used by people around the world through the Internet. The larger the computer is, the more memory it has.2. Finish the timeline below.Name : computer Born : (time)_ (place) _My real father: _My size: _( in the past) _(modern)My history: 1642 _machine 1822_machine 1936 _mach
8、ine 1940s _ 1970s _ and _My memory: _ _ _ My applications: _; _; _; _; _; _; _. IV. Third-reading:Find out the topic sentence of each paragraph and give the supporting details.Paragraph1: Supporting details: calculating machine ; ; ; ; laptop Paragraph2: Supporting details: tubes; ; ; ; Paragraph3:
9、Supporting details: ; finance ; ; ; ; ; ; V. Group work : Computers are playing an important part in our daily life. List things that you, your school and your family use computers for._.VI. Homework :课后延伸学案 Unit 3 Computers 自主学习指导： 课后延伸We can do anything we want to do if we stick to it long enough.
10、只要坚持得足够长久，我们都可以心想事成。1. 课文复习： 在历史发展长河中，我变了很多。在1642年我是一台计算机器。二百年后，把我制成了一部分析机。到20世纪40年代，我已经变得和一间房子一样大。我想知道我是否会变得更大。然而这个现实也使我的设计者很担心，所以随着时间的推移，我就被制作得更小了。因此，我完全改变了形状。不管怎样，我的目标是给人类提供高质量的生活。_.2. 完形填空: Over time I _1_quite a lot. Young _2_I was in 1642, I could _3_difficult sum. It took two hundred years _4
11、_ I was built as an analytical machine. It was only after I was programmed by an operator _5_ used cards with holes _6_ I was considered as a technological revolution and the start of my “artificial intelligence”. _7_ as large as a room, I wondered if I would grow any longer. However, this reality a
12、lso _8_ my designer. My memory was first stored in tubes, then on transistors and _9_ on very small chips. As a result I _10_changed my shape. As I grow older I also grow_11_. But I _12_ always so lonely standing there by myself, until in 1960 they gave me a family _13_by a network. _14_I was able t
13、o _15_my knowledge with others through the World Wide Web.I have also been put into robots and used to _16_mobile phones as well as _17_ with medical operations. Anyhow, my goal is _18_ humans with a life of high _19_. I am now truly filled with happiness that I am a _20_friend and helper of the hum
14、an race!1. A. have been changed B. have changed C. changed D. was changed2. A. although B. for C. as D. even3. A. simplify B. add up C. before D. respond4. A. when B. until C. before D. since5. A. whose B. which C. who D. whom6. A. that B. which C. when D. after7. A. Growing B. Having grown C. Grown
15、 D. Having been grown8. A. pleased B. worried C. shocked D. puzzled9. A. even B. still C. latter D. finally10 A. finally B. entirely C. eventually D. slightly11 A. smaller B. bigger C. stronger D. happier12. A. have been B. was C. am D. feels13. A. connect B. connecting C. connected D. to connect14.
16、 A. Thus B. In a way C. In some way D. By which15. A. send B. share C. communicate D. match16. A. make B. to be made C. to making D. to be made17. A. helping B. helped C. help D. to helping18. A. to provide B. to find C. providing D. finding19. A. quality B. quantity C. criteria D. expense20. A. devoting B. devoted C. relative D. usual 6