Unit 3 Computers Reading

2. 高一人教新课标版必修二 Unit 3 Computers Reading

3. Pre-reading What do you know about computer? Can you name some parts of computer? • monitor • mouse • keyboard

4. A huge computer A PC The history of the computer Palmtop

5. In the past, if we wanted to do reading, we had to carry a lot of heavy book. But now we needn’t do it, we only need to surf the Internet. Our life has changed easy! Our life has changed!

6. Can you put these inventions in an order according to the time when they appeared? ( ) Analytical machine(分析机) ( ) Laptop ( ) Calculating machine(计算机器) ( ) Robot／android ( ) PC ( ) Universal machine(通用机器) ?

7. Reading Who am I ?

8. It is a computer. Skimming:Go over the story to find out who the speaker is. Write down 3 sentences to support your idea. ●I was built as an Analytical Machine by Charles Babbage.” ●“My real father was Alan Turing ...” ● I was able to share my knowledge with others through the World Wide Web.

9. Fast reading 1. Who am I ? 2. Who built the first analytical machine? 3. Who was the next important person to design computers? I am a computer. Charles Babbage built the first analytical machine. Alan Turing was the next important person to design computers.

10. Fast-reading What’s 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 B

11. How did computers develop? Analytical machine Calculating machine Universal machine (in1936) (In1822) (In1642) Artificialintelligence Internet network (Inthe1970s) (In the 1960s)

12. Careful- reading Read and finish the timeline below. The computer began as a calculating machine． The computer grew rapidly both in size and in brainpower.

13. The computers had grown as large as a room. 1960s Computers were used in offices and homes. Computers connect people all over the world together.

14. Read and Complete the chart. Over time I have been changed quite a lot. • calculating machine • analytical machine • universal machine • PC • laptop

15. These changes only became possible as my memory improved • tubes • transistors • chips • network • World Wide Web

16. Since the 1970s many new applications have been found for me. • communications; finance; trade; robots; mobile phones • medical operations • space rockets • providing a life of high quality

17. calculating analytical universal mathematical problems

18. Memory Transistors Communication Applications Trade Medicaloperations

19. Answerthequestions 1. How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.

20. 2. Why did people think the computer was simple-minded? Because the computer was made as a calculating machine and was used to solve mathematical problems.

21. 3. In how many ways do we say the computer • changed? What are they? • Size: • Intelligence: • Speed: • Function: • People’s opinion: smaller cleverer quicker calculating---dealing with…, communicating with… clever & useful

22. Summary I, the c_________, was a calculating machine in 1642 in F_______. In 1936, I became a “u________ machine” to s_____ any mathematical problem. Since the 1970s I have been used first as a P___ and then as a l______ in office and h______. omputer rance niversal olve C aptop omes

23. Many changes have happened to my s____, so my s______ totally changed. I have been widely used in many fields, I have also been put into robots to e_______ the Moon and Mars. ize hape xplore

24. Discussion Should high school students surf the internet(上网)? I think high school students should surf the internet because…(first, secondly, thirdly) I think high school students should not surf the internet because…(first, secondly, thirdly…)

25. Advantages We can communicate with friends Listen to the music See films & watch news Play games Do shopping Save a lot of time Do a lot of useful things

26. Disadvantages Some people especially the teenagers abandon (沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study . Some people use the computer wrongly. If you spend too much time on it, it will do harm to our health.

27. Conclusion There is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But don’t lose yourself in playing computers. Just remember: Keep fit, study well and work hard.

28. 1. What is IT? Information Technology. 考 考 你 2. What is W.W.W? Worldwideweb. 3. 科学技术 Scienceandtechnology. 4. 人工智能 Artificialintelligence. 5.笔记本电脑 Notebookcomputer.

29. convenientlaptop smallerdesktop What are today's smaller computers like? palmtop

30. Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer. Sample questions: Role-play … … • What do you like to eat? • What are your hobbies? • What is your newest function(功能)? • Can you say something about your future plan? etc.

31. New words and expressions card with holes universal machine memory network World Wide Web 穿孔卡 通用机器 内存 网络 万维网

32. Calculating machine计算机器 AnalyticalMachine分析机 Artificialintelligence人工智能 Technologicalrevolution技术革命 Mathematicalproblem数学问题 Transistor晶体管

33. Match the words with their meanings. 1 A monitor is 2 The screen is 3 A keyboard is 4 A mouse is 5 A CD-ROM is 6 A hard disk is • the part of a computer • that stores information. • (b)the part of the computer • that you type on. • (c)the part of the computer • that looks like a television • (d)something you use to • click on things (files, etc.). • (e)the part of the monitor • that you look at. • (f)a separate disk that • contains lots of • information.

34. Language Points 1. Over time I have been changed quite a lot. 1) over time随着时间的推移 eg. Can we talk about this over dinner ? She gradually got better over the summer. ____ the next few days, they got to know the town well. A. With B. Over C. For D. At 2) have been changed 现在完成时的被动语态 B

35. 2. calculate v. 1) 计算; 核算 We haven’t really calculated the cost of the vacation yet. 我们还没有确切地计算出度假要花多少钱。 2) 推测; 估计 It is important to calculate what influence he had on her life. 现在无法估计他对她的生活产生多大影响。

36. calculating adj. 斤斤计较个人得失的; 自私的 calculation n.计算 calculatorn. 计算器 calculate on:depend on 指望 We are calculating on having fine weather for the sports meeting. 我们指望着运动会有好天气。 be calculated to被计划成, 打算 eg.The ad. is calculated to attract children.

37. 2. analytical adj.分析的, 解析的 analyse vt.分析; 研究 analogy n.相似; 类似 analysis n.分析; 研究 analyst n.分析家 analytic adj.分析的; 分解的

38. 3. universal adj.通用的, 普遍的, 世界性的 English serves as the universal language in the world . It’s the universal usage of this kind of machine.

39. 5. Although I was young, I can _________ difficult sums. simplify vt. 简化 adj. simple 简单的, 朴素的 头脑简单的 simple-minded sum n. 总数, 算术题, 金额 insum 总之 大量, 许多(不可数名词) a large sum of 总之, 这个计划失败了 他给了我很多食物。 Insum, the plan failed. He gave me a large sum of food.

40. 6. beforeconj.在不同的语境中有不同的含义: (1)多久之后才 (2)在...以前 (3)以免, 不然 (4)还没...就...(常和can 和could连用) eg.(1)It was a long time before I went to sleep last night. (2)I would like to talk to you before you go. (3)Do it before you forget. (4)She hung up the phone before I could answer it. 比较: not….until 直到……才…… I didn’t complete the work until one year later.

41. 7. artificial adj.人工的, 人造的 artificial flowers/limbs/pearls 假花/假肢/假珍珠 artificial intelligence 人工智能 8. intelligence n．智力; 聪明 intelligent adj.有智力的; 聪明的;理解力强的 ①He is a person of great intelligence. 他是个极聪明的人。 ②A dolphin is an intelligent animal. 海豚是有智力的动物。

42. 9. As time went by…=With time going by 1) as conj.随着……, 引导时间状语从句。 As time went on, Einstein's theory proved to be correct. 随着时间的推移,爱因斯坦的 理论证明是正确的。 表示“随着……”时, 也可以用with， 但with是介词, 后面一般不接句子。 With the passing of the years, they have become close friends. 几年过去了, 他们已成了亲密朋友。

43. 2) go by(时间)过去, 逝去; 从…经过; 遵循, 以…来判断 ①一辆汽车全速驶过。 A car went by at full speed. ②一星期一星期慢慢地过去了。 The weeks went slowly by. ③不要错失这次机会。 Don't let this chance go by. ④那是需要遵守的好规章。 That is a good rule to go by.

44. (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)Three months ________ before we knew it. A. passed by B. went C. went by D. past (3)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 C With development

45. (4)With the time________, our anxiety grew. • goes by B. going by • C. has gone by D. had gone by • (5) A taxi_______________ (刚刚过去). • You’ll have to wait a few more minutes. • (6)Things will get easier as time goes by. • (7)The weeks went by slowly. • (8)He was in when I went by yesterday. B has just gone by

46. 10. As a result结果; 终于; 因此 My friend Martin was very sick with a strange fever; ___, he could neither eat nor sleep. (江西2005) A. as a result B. after all C. any way D. otherwise [点拨] 考查短语辨析。as a result结果; after all 毕竟; any way 不管怎样; otherwise 否则。由句意可知要选as a result。 A

47. as a result(=therefore ) As a result of(=because of) 结果, 因此 因为… 思维拓展 without result 毫无结果, 徒劳的 result in 导致, 结果为 result from 因为, 源自 The fight resulted _____ a bitter(激烈的) argument. A bitter argument resulted ______ the fight. from in

48. 11. totally adv.整个地;完全地 totally blind 全盲 totaladj.完全的; 整个的 total silence 寂静无声 in total总共

49. 12. And my memory becameso large that even I couldn’t believe it! so + adj / adv + N + that 如此…. 以致于 such + n. (名词)+ that so that + 句子 为了….

50. (1) He is _____ good a student _______we all like him. A. such; that B. so; who C. such; as D. so; that (2) He is _____ a good student ______we all like him. A. such; that B. so; who C. such; as D. so; that (3) He got up early this morning ______ he could catch the first bus. A. so as to B. so hat C. in order to D. so as D A B