4. With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:

5. 1. With me you can watch different programmes just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes. TV set

6. 2. I am a machine which moves very fast on four wheels. You need a license ( 执照 ) and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me. car

7. 3. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I? washing machine

8. 4. A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number. Who am I? telephone

9. 5.It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information… Computer

10. it is a kind of computer which can be taken conveniently like a notebook. A notebook computer

11. Discussing: what they have in common?

12. what they have in common?

13. What English words do you know about computers?

14. What is it in English?? mouse 鼠标

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

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

17. What is it in English?? display

18. computer I nternet Search K eyboard C lick E-mail Blog BGBG ill ates E-pal

19. Components of a computer Scanner Printer Monitor Floppy Disk Mouse Speaker

20. What can computers be used to do?

21. How do you use computers and the Internet? 1.Help to do homework 2.Play computer games 3.Send e-mails 4.Listen to music 5.See movies 6.Chat ( 聊天 ) 7.Search for information 8.Do shopping 9.Learn computer skills YesNo I often use a computer to…, I sometimes use it to…, and I never use it to…

22. Computers have great power. They make our lives more colorful and more convenient. BUT Don’t just use computers for fun. Don’t spend too much time in playing computer games or chatting( 聊天 ) online. We should learn more computer skills which are very useful in our future work.

24. 1. 计算机器 2. 分析机 3. 穿孔卡 4. 技术革命 5. 通用机器 6. 数学问题 7. 人工智能 8. 晶体管 9. 存储容量 10. 网络 11. 万维网 calculating machine Analytical Machine card with holes technological revolution universal machine mathematical problems artificial intelligence transistor memory network World Wide Web

25. Listen to the text and fill in the blanks: I began as a _______ machine in 1642 in France. In 1822 I was built as an _______ machine. Then in 1936 Alan Turing wrote a book and built a ______ machine. As the years have___ ___, I have been made ______. There were times when my size ______ changed. And my memory became _____ large _____ I couldn’t believe it. In the 1960s they gave me a family_________ by a network. I was able to _________________with others through the World Wide Web. Since the 1970s many new applications ______________ for me. calculating Analytical universal gone by smaller totally that connected have been found share my knowledge so

26. 1. Where were you in 1642? 2. What happened to you in 1822? 3. What were you called in 1936? 4. What did you get in 1960s? 5. What happened to you in 1970s? Choose one student as Mr./Miss Computer, and the other students as reporters. The reporters may ask the following questions: Some other questions will be better.

27. Should high school students surf the internet( 上网 )? I think we high school students should surf the internet because…(first, second, third) I don’t agree with you. In my opinion, it is bad for students to… The reason is that… I agree with you. I think we can also… 辩论

28. Timeline The computer began as a calculating machine The computer grew rapidly both in size and in brainpower. The computer had grown as large as a room. 1960s Computers were used in offices and homes. Computers connect people all over the world together. 1642:_____________________________________ 1822:The Analytical Machine was made by Charles Babbage. 1936:_______________________________ ___________________________ 1940s:_________________________________ _____: The first family of computers was connected to each other. 1970s:_________________________________ Now:_____________________________________

29. Detailed-reading Paragraph 1Paragraph 2Paragraph 3 Topic sentence Supportin g details Over time I have been changed quite a lot. Calculating machine Analytical machine Universal machine PC laptop These changes only became possible as my memory improved Tubes Transistors Chips Network World wide web 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

30. True or False? 1.In 1642 I began as a calculating machine and could solve any mathematical problem. 2.My real father was Charles Babbage, who wrote a book and build me in 1936. 3.After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. 4.I was brought into people’s homes in the 1970s. 5.Since my birth I have been built to take the place of human race. F F T T F Main idea: This is a short history of the ______________ of computers. development calculating Alan Turing serve

31. orders Changes of Abilities( 功能, 能力 ) 1 2 3 4 5 6 7 Only c___________ Following instructions from c________________ Solving any m____________ problem Having artificial ____________ S______er and q_______er C___________ by a network. Discuss in pairs and work out the changes of the computer abilities. alculating ards with holes athematical intelligence mall uick pplications onnected Many new A___________.

32. Changes of the machine Calculatin g machine Analytic al machine Universal machine Machine with artificial intelligence Machine with new transistor A family connected by a network A family used by the Internet

33. Discussion Is it very important to learn computer skills for us? Why or why not? Use the following expression in your discussion. I think that …… In my opinion … I believe that … What’s your reason? Why do you think so?

34. How much do you know about a computer??? Give the English name of the following pictures of the computer components ( 组件 )

35. More knowledge Scanner Printer Monitor Floppy Disk Mouse Speaker

36. What is it in English?? RAM ( 随机存储器 ) (Random Access Memory )

37. What is it in English?? hard disc 硬盘

38. What is it in English?? Power supply ( 电源 )

39. display card 显卡

40. DVD ROM Digital Versatile Disc Read Only Memory 数字通用光盘

41. Bye-bye !