Who am I ?

1. Who am I ?

2. memory race

3. 3

4. 2

5. 1

7. 1. How many pictures have you seen? 2.Can you remember what they are?

8. the history of the computer huge computer abacus calculator PC What do they havein common? laptop PDA

9. What do they havein common? I think that… In my opinion… I believe that… Discussion 1.They can be used for calculating. 2.They can deal with maths problems. 3.They are useful and helpful.

10. prediction huge computer abacus calculator PC What’s next? laptop PDA

11. What’s next? 仿真机器人

12. carry things work in wars (战斗)

13. work for us in Mars(火星) 25

14. Who am I ?

15. Task 1: skimming Personification(拟人）—simple, vivid(生动的), interesting 1.Who am I ? I am a ________. computer 2.Get the main idea of the passage. development applications The ___________ and__________ of computers 3.Find out topic sentences of each paragraph. • Over time I have changed quite a lot. • These changes only became possible as my memory improved. • Since the 1970s many new applications have been found for me.

16. Task 2 Scanning Read Para. 1 in 3 mins and find out the development of computers. I’ll give you some clue(线索). The machine is introducing itself mainly according to _______? A. function B. time C. size

17. 1642 (1822) 1940s Later 1936 a calculating machine an analytical machine Charles Babbage a universal machine Alan Turing a huge computer, as large as a room, a personal computer and a laptop, and used in offices and homes since the 1970s… Over time I have changed quite a lot. 30

18. Para. 2

19. technical words chip（芯片） transistor（晶体管） tube(电子管）

20. the World Wide Web （万维网） network（网络）

21. Task QUESTION-ANSWER COMPETITION

22. Para. 2 Read it in 2 mins and use another minute to put forward a question for your classmates. 35

23. Para.3 Find some supporting details for the topic sentence in 1 minute. Since the 1970s many new applications have been found for me.

24. Since the 1970s many new applications have been found for me. • communications • finance • trade • robots • mobile phones • medical operations • space rockets • exploring the Moon and Mars my goal is to provide humans witha life of good quality.

25. A summary Task 3 Who am I？ Name : computer Born : (time)_______ (place) __________ My real father: _______________ My size: 1._______________( in the past) 2.____________________(modern) My history: 1. 1642 ___________machine 2. 1822__________machine 3. 1936 __________machine 4. 1940s ______________ 5. 1970s _______ and ______ My memory: _____ ______________ _____ My applications: _______________; ________; _______________; ________; _______________; ______________; _______________... 1642 France Alan Turing huge smaller and smaller calculating analytical universal huge computer laptop PC tubes transistors chips finance communication trade robot Retell it with the first person mobile phone medical operation space rocket 38

26. Time order (logic) What’s the type of the passage? • Find out the time phrases words or sentences used in the text. A. Argumentation议论 B. Narrative记叙 C. Exposition说明 Over time, It took …..before….. After…. At that time, From then on, By the 1940s, As time went by, First, then as my memory improved, As I grew older, Until in the early 1960s, Since the 1970s

27. Our life has changed a lot!

28. We can use the computer to do a lot of things. Watch movies listen to music search for … do shopping communicate with…

29. Discussion (in groups) What are the advantages anddisadvantages of the computers?

30. advantages disadvantages: • waste too much time in playing computer games. • may be cheated (欺骗) on line. • bad for our eyes and health if we spend long time on it. school work games emails music and films chat information photos shopping

31. Advanced words and phrases • Obviously/admittedly • be beneficial to sb • It is convenient for sb to do sth • A source of information • A popular trend • Be addicted to sth be harmful to a waste of time • Prevent people from communicating with each other face to face • The two-edged sword • ,which makes/enables/helps….. • It is how to strike a balance between a and dis that counts • It is essential that….. • Only when we adopt an appropriate attitude towards ….can it serves us well

32. summary(小结) What have you learned?

33. Homework 某英文报“读者来信”专栏正在就高三学生家长是否应该为孩子购置电脑这一话题开展讨论。有赞同的，也有反对的。请你向该报编辑写一封英文信，发表你的观点。 要求：条理清楚、行文流畅 字数100左右

34. Goodbye! Thank you!

35. What is it in English?? Main board(主板)

36. What is it in English? CPU (central processing unit) 中央处理器

37. What is it in English? hard disc 硬盘

38. What is it in English? Keyboard (键盘)

39. What is it in English? Monitor显示器 Screen 屏幕

40. What is it in English? mouse 鼠标

41. What is it in English? DVD ROM 数字通用光盘