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 have in common?
laptop
PDA

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

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 1.Who am I ? I am a ________. computer
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. Over time I have changed quite a lot.
1642
(1822)
a calculating machine
an analytical machine Charles Babbage
1936
a universal machine Alan Turing
a huge computer, as large as a room,
1940s
a personal computer and a laptop, and used in offices and homes since the 1970s…
Later
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 with a life of good quality.

25. Task 3 A summary Who am I？ Name : computer
Born : (time)_______ (place) __________
My real father: _______________
My size: 1._______________( in the past)
2.____________________(modern)
My history: ___________machine
__________machine
__________machine
s ______________
s _______ and ______
My memory: _____ ______________ _____
My applications: _______________; ________;
_______________; ________;
_______________; ______________;
_______________...
1642
France
Alan Turing
huge
smaller and smaller
calculating
analytical
universal
huge computer PC
laptop
tubes
transistors
chips
communication
finance
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?
A. Argumentation议论 B. Narrative记叙 C. Exposition说明
Time order (logic)
Find out the time phrases words or sentences used in the text.
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 …
communicate with…
do shopping

29. Discussion (in groups)
What are the advantages
and disadvantages 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 s
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. CPU (central processing unit)
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