2. With the development of science and technology, many new things have appeared in our lives. Let’s guess what they are:

3. 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. Who am I? car guess-1

4. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I? washing machine guess-2

5. I am 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 guess-3

6. I am an old calculating machine used in China until now. Who am I? abacus guess-4

7. I am built to solve some mathematical problems. But I am too big. Who am I? huge computer guess-5

8. I am a small electronic machine which can solve a large number of mathematical problems. Who am I? calculator guess-6

9. I am 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… Who am I? computer guess-7

10. I am a kind of computer which can be taken conveniently like a notebook. Who am I? notebook computer (laptop) guess-8

11. Reading

12. Task1 Fast-reading Paragraph 1 Paragraph 2 Paragraph 3 Over time I have been changed quite a lot. These changes only became possible as my memory improved. Since the 1970s many new applications have been found for me. Find out the topic sentence of each paragragh

13. Task 2 Careful-reading (finish Exx.1.2 on page19) 1642:_____________________________________ 1822:The Analytical Machine was made by Charles Babbage. 1936:_______________________________ ___________________________ 1940s:_________________________________ _____: The first family of computers was connected to each other. 1970s:_________________________________ Now:_____________________________________

14. Paragraph 1 Over time I have been changed quite a lot. Paragraph 2 These changes only became possible as my memory improved. Paragraph 3 Since the 1970s many new applications have been found for me. Calculating machine Tubes Communications Finance

15. Task 2 Careful-reading (finish Exx.1.2 on page19) 1642:__________________________________ _______________ 1822:The Analytical Machine was made by Charles Babbage. 1936:_______________________________ ___________________________ 1940s:_________________________________ _______ 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.

16. Task 2 Careful-reading (finish Exx.1.2 on page19) _____: The first family of computers was connected to each other. 1970s:_________________________________ ______ Now:__________________________________ ___________________ Many new applications have been found for computer. 1960s Computers were used in offices and homes.

17. Calculating machine Paragraph 1 Over time I have been changed quite a lot. Analytical machine Universal machine PC laptop

18. Paragraph 2 These changes only became possible as my memory improved. Transistors Chips Network World Wide Web Tubes

19. Paragraph 3 Since the 1970s many new applications have been found for me. Finance Trade Robots Mobile phones Communications Medical operations Space rockets

20. Task3 Star sentences Over time I have been changed quite a lot. 经过一段时间我已经被改变了很多。 Sentence 1 P1 L1

21. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发展缓慢，差不多过了两百年之后， 查尔斯. 巴比奇才把我制成了一台分析机。 Sentence 2 P1 L3

22. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! 随着时间的推移，我的记忆能力发展得 如此之快，就像一头大象一样，从来不 会忘记被告知的任何事情！ Sentence 3 P2 L20

23. I have also been put into robots and used to make mobile phones as well as help with medical operations. 我还被放在机器人里面，被用来帮 助做医疗手术，并且用来制作移动 电话。 Sentence 4 P3 L20

24. 我现在真的非常高兴我能够成为人类 忠诚的朋友和帮手 ! I am now truly filled with happiness that I am a devoted friend and helper of the human that I am a devoted friend and helper of the human race! Sentence 5 P3 L33

25. ◆ 1.Over time I have been changed quite a lot. ◆ 2.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. ◆ 3.Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! ◆ 4.I have also been put into robots and used to make mobile phones as well as help with medical operations. ◆ 5. I am now truly filled with happiness that I am a devoted friend and helper of the human race!

26. 1.Find out the sentences that you don’t understand in the text. 2.Finish Exx.1.2 on page 20