Computers and their Impact: Doubt, Tiny, Cancel, Connect

1. 仁爱版9年级上 Unit4 Topic 1 Section C

2. Teaching aims and demands 1. Master some new words and phrases: doubt, no doubt, tiny, cancel, connect, 2. Go on learning the usage of object complement: 1) At the same time, they have made the workplace safer and letter. 2) Computers have made the world smaller, like a “village”. 3. Improve the students’ reading skill. 4. Discuss the uses of the computers.

3. Review (1) How long did Yang Liwei stay in space? (2) How many circles did Yang Liwei go around the earth? (3) Was the air fresh in the spaceship? (4) Is a spaceship controlled by computers? (5) Is it important to master the computer technology? (6) What can computers do during a space trip?

4. Do the computers play an important • role during the space flight? • (2) What can computers and the Internet • do in our daily life? • (3) Can we work on computers too long? • Why? Yes, they do. They can do many things for us. No, we can’t. Because we may get headache or sore eyes.

5. Presentation doubt n. no doubt tiny adj. cancel v. connect v. 怀疑，疑惑 无疑地 极小的 取消 连接 保持心跳正常 毫无疑问地…… 例如

6. Listen to the tape and then read after the tape.

7. Consolidation • Please read the passage and find out the key sentences of each paragraph Paragraph 1 Computers have become very important in many areas of work and leisure. Paragraph 2: There is no doubt that computers are very useful in technology and business.

8. Paragraph 3: Since the Internet came into being, people’s lives at home have changed, too. Paragraph 4: Computers have improved our lives, but they have brought problems, too.

9. Fill in out the table. They can help astronauts and pilots control the speed and directions of a spaceship’s flight. Doctors can find diseases easily and solve other problems. Theyare used to place and cancel orders. Robotscontrolled by computers can do work that is dangerous to humans. Peopleuse them to play games and watch movies.

10. Knowledge points 1.there is no doubt 毫无疑问/无疑地 e.g. There is no doubt that we did the right thing. 毫无疑问,计算机是非常重要的。 2. instance (同example)例子,实例; for instance=for example 例如. e.g. Let me give you some instances. 我们来给你举几个例子。

11. 3.come into being 出现, 产生, 如: e.g. SARS came into being in 2003. 4. instead 代替,替代 e.g. If you can’t go there, I will go instead. 5.place/cancel an order 订购/取消订单 e.g. Is it too late to cancel my order? 我现在取消订单是不是太迟了？

12. Practice The object complement (1) We made her the monitor. (名词作宾补) (2) He doesn’t believe the story true. (形容词作宾补) (3) The doctor advised her to stay in bed. (不定式作宾补)

13. Sentences with object complement in 1a. • 1. They keep their hearts beating normally. • 2. Computers have made the workplace safer and better.（形容词） • 3. The Internet has made the world smaller, like a “village”. （形容词，介词短语）

14. Used as object complement (4) They saw her walking into the bookstore. (分词短语作宾补) (5) The child saw the kite up and up. (副词作宾补) (6) You should put your books in order. (介词短语作宾补)

15. Project Look at the pictures and tell me whether it is good habit, why?

19. Thank you!