2. computer can be used as….. typewriter projector drawing board video game player

3. internet How does we use the internet?

4. watch camera telephone calendar cell phone can be used as…..

5. 1.What is the “information age”? A time of new discoveries and great changes. New technology always used in old ways

6. 1.What’s the meaning of the title? 2.Why are scientific metaphors like “memory" and “paste”useful?How may they limit our thinking? Fast-reading:

7. Language points Pragraph1:It is certainly true that… We are said to be living in the “Information Age", a time of new discoveries and great changes…(p62) Sb said to do sth/be said to be doing/to have done sth e.g He is said to be a good basketball player when he was young. It is said that…

8. a time of new discoveries and great changes 是同 位语 …Has our life changed that much?...(P63) that=so 在口语中程度副词可以由 so, very 来代替 Pragraph2:…A computer’s “memory" is similar to human memory, but it is also very different. (pragraph2,line6) A be similar to B e.g. His new bike is similar to mine.

9. ....After all, What makes a new invention such a wonderful thing is that it allow us to do sth we could not do before.(pragraph2 line10) allow 允许, 许可 …. 进入 allow + 名 /doing I will never allow such behavior. 我决不允许这样的 行为 Smoking is not allowed here. 此地禁止吸烟 allow+sb +to do Are we allowed to play catch here? 我们可以在这里练习投球吗 ?

10. Pragraph3: Now that we are developing new technology at such a high pace, the …(pragraph3,line2) now that 既然 =since…(since that…) e.g Now that you have grown up, you must stop this childish behavior. Practical computer English( 计算机术语 ) out of data, out of memory, overflow, copy, complete file, delete, lock, enter, return, store, cut, paste

11. Computer History Year/Enter Computer History Inventors/Invent ions Computer History Description of Event 1946 John Presper Eckert & John W. Mauchly ENIAC 1 Computer 20,000 vacuum tubes later... 1954 John Backus & IBM FORTRAN Computer Programming Language The first successful high level programming language. 1958 Jack Kilby & Robert Noyce The Integrated Circuit Otherwise known as 'The Chip'

12. 1962 Steve Russell & MIT Spacewar Computer Game The first computer game invented. 1969ARPAnet The original Internet. 1971 Faggin, Hoff & Mazor Intel 4004 Computer Microprocessor The first microprocessor. 1979 Seymour Rubenstein & Rob Barnaby WordStar Software Word Processors.

13. Pre –writing The history of computer Eniac an electric calculating machine was built in 1946 as large as a house the starting of modern computer ( Electronic Numerical Integrator Analyzer and Computer)

14. desktop computer laptop computer palmtop computer modern computer

15. Choose one of the questions below and write a brief essay. ☻ What will computer look like in the future? How will we use them? ☻ Imagine that you had to describe a computer to someone who lived in nineteenth century.How would you explain it? What would you compare it to ?

16. writing Before we start writing, we should list ideas and information and think about the organization of our articles. Step1.Computer is part of our life Step2.The development of computer Step 3 The way we use computers will change

17. Sample description : Have you ever seen a computer? Let me tell you something about it. A computer is an electric calculating machine that can store and recall information and make calculations at a very high speed. It is a wonderful machine and can do most of the things people can do, but it work millions of times faster. The first large, modern computer was built in 1946,and people needed a large house to put it in.In the last few years there have been great changes in computers. Today they can be used in many fields. People even use it to pay bills or order what they want. it is said that in the future computers would arrange everything for people, and do almost all kinds of work.that would be a real computer society.

18. Homework: 1Review words and expressions we have learnt in this unit 2Finish writing