2. Unit3 Computers

3. Warming up

4. Heavy! Difficult! Hard! Tired!

5. 1. Easy! 2. Fast! 3. Free!

6. CD / DVD-ROM CRT monitor LCD monitor CPUhard disc chips /motherboard

7. keyboard mouse modem scanner printer speaker

8. floppy discUSB flash disc CD/DVD/VCDMP3 player

9. 1 2 4 3 5 6 1. monitor 2. screen 3. CD-ROM 4. mouse 5. keyboard 6. hard disk Label each part

10. 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 (a) 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) The main device that a computer uses to store information. Match the words with their meanings.

11. Look at these pictures. Discuss what they have in common. Predict what it is going to be about.

12. What’s next?

13. (What do they have in common?)  I think that…  In my opinion…  I believe that…  What’s your reason?  Why do you think so? 1.They can be used for calculating. 2.They can deal with maths problems. 3.They are our friends. 4.They are useful and helpful. Discussion

14. How useful computers are! school work games emails music and films chat information photos shopping Internet

15. Ask and answer questions in pairs. 1. use computer for school workYouYour partner 2. play games on the computer 3. send emails to friends 4. surf the Web for fun 5. download music and films 6. chat online 7. search for information 8. look at photographs 9. do shopping online How do you use computers and the Internet?

16. Write out all the words you know about computers. computer monitor click software search update download Internet keyboard

17. Reading Who Am I?

18. Predict what it is going to be about. Warming up

19. Pre-reading questions 1. What have computers changed our life? 2. What changes will they bring to us in the future?

20. Task 1 Skimming 1. Who is the speaker in this story? A computer. 2. Write down three sentences from the story to support your idea. 1) I was built as an Analytical machine by Charles Babbage.

21. 2) My real father, Alan Turing, … 3) I was always lonely standing there by myself, until in early 1960s they gave me a family connected by a network.

22. Task 2 Fast reading 1. Where were you in 1642? In France. 2. What happened to you after nearly two hundred years? I was built as an Analytical Machine by Babbage. 3. What were you called in 1936? A universal machine. 4. What happened to you in the 1970s? I have been used in offices and homes.

23. 1642 1822The analytical machine was made by Charles Babbage. 1936 The computer began as a calculating machine ． The computer grew rapidly both in size and in brainpower. Task 3 Careful reading

24. 1940 s The first family of computers was connected to each other. 1970 s now Computers had grown as large as a room. 1960s Computers were used in offices and homes. Computers connect people all over the world together.

25. 1completely 2complete change 3to make things easier 4to find the answer using numbers 5can be moved easily from place to place 6to work out the answer to a problem totally revolution simplify calculate mobile solve Task 4 Fill in the blanks.

26. 7to travel around an area to find out about it 8completely 9anyway 1010 activity of managing money explore totally anyhow finance

27. The history of computers

28. the second generation (1956-1963) the second generation (1956-1963) the third generation (1964-1971) the fourth generation (1971- ) The first generation (1945-1956) The first generation (1945-1956)

30. 1.What is PC? Speak the name on the whole. It means: personal computer. 2. What is IT? Information Technology. 3. What is CD-ROM? Compact disc read-only memory. 4. What is PDA? Personal digital assistant.

31. 5. What is W.W.W? World wide web. 6. 科学技术。 Science and technology. 7. 人工智能。 Artificial intelligence. 8. 笔记本电脑。 Notebook computer.

32. 9. Who was the first person to devise the first computer? Charles Babbage invented an Analytical machine in 1822. 10. Who was the computers’ real father? Alan Turing.

33. Read the passage and then fill in the chart. Reading task on Page 58

34. RECORD CARDHUA FEI Ability Performance in 78th Olympics Prize won Performance in 79th Olympics Reason for failure Treatment Expert at high flying exercises: Olympic standard Wonderful turns, dives, circles and dances Silver medal for high flying exercises Began very well but failed through no fault of his own Parachute failed to open. Two new legs and a new bigger head

35. 1. in common: for or by all of a group 共同的；共有的；共用的 the land owned in common by the residents 居民共有的土地 in common 常常同 have 连用，如： have nothing in common 无共同之处 have little in common 几乎无共同之处 Language points

36. have something in common 有一些共同之处 have a lot in common 有许多共同之处 以下是从英国国家语料库中选出来的几个例句 : 1) You know, Dorothy, you and I have one thing in common ． 2) We just had nothing in common and I couldn't communicate with his dull business friends ． 3) I suddenly felt we had a lot in common.

37. 2. calculate v. work (sth.) out by using numbers e.g. calculate the cost of sth. calculator n. 让我们一起回忆一下以 or 结尾的词吧： visitor, survivor, competitor

38. 3. 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

39. 4. 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

40. 5. totally adv. 整个地 ; 完全地 totally blind 全盲 total adj. 完全的 ; 整个的 total silence 寂静无声 in total 总共

41. 6. And my memory became so large that even I couldn’t believe it! 句型： so… that… 如此 …… 以致于 …… 与 too…to… 句型的相互转换 And my memory became too large for me to believe it. eg He is so old that he can’t carry the box. He is too old to carry the box.

42. 此结构中的 that 从句表示结果。 The stone is so heavy that no one can lift it. 比较 : so that 既可以表结果, 也可以表目的。 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.

43. 7. I have also been put into robots and used to make mobile phones as well as help with medical operations. 1) help (sb) with sth 协助 ( 某人 ) 做某事 e.g. A man is helping the police with their enquiries. 有一男子在协助警方进行调查。

44. 2) as well as 也，还，而且 e.g. He grows flowers as well as vegetables. She is a talented musician as well as being a photographer. 3) 这个句子是现在完成时被动语态，其机 构是 (have/has +been + 过去分词） e.g. The radio has been repaired when we phoned the shop.

45. 8. anyhow 无论如何 Anyhow, you can try. 无论如何你可以试试。 I don’t care what you say; I’m going to do it anyhow. 比较 : somehow 意为 “ 以某种方式 ; 不知怎么地 ”

46. 1.Finish the Ex1 and Ex2 in Learning about Language on page20. 2. Preview the Reading at Page 18, find out Language points and difficulties. 3. Do Section One. Homework

47. Look up the words below: in common, as a result, anyhow, so...that, in a way, watch over. Homework