Teaching Goals:

2. Teaching Goals: • 1.Talk about science and technology. • 2.Describe things and how they work. • 3.Give advice and make suggestions. • 4.Use the Present Continuous Passive Voice. • 5.Present a project.

3. Warming up 链接视频：军事科技

4. DVD player Internet laptop space station cloning robot rocket walkman

5. hi fi cell phone satellite aircraft carrier automobile fighter airliner digital camera

6. Discussion : What do you think the following drawing is like?

7. How creative are you ? Are you good at solving problems and thinking in newways? 用新的/独特的方式 adj.创造性的

8. Toothpicks

9. What can you do with toothpicks? A toothpick can be used to get food out of the space between teeth. can be used when we eat something smaller; can be used to pin （钉住） something; Can make a small hole in something soft

10. socks

11. Uses of socks

12. How many new uses can you think of socks?

13. A plastic bag is usually used to put something in to carry it home.

14. New uses of plastic bags

15. Other uses of plastic bags • To cover the seat of a bike when it is raining. • Cover our hair when we dyeing it. • As a glove when we pickup something oily or dirty.

16. Talk box How many words can you make by moving the sides of the box? You can move any side as many steps as you wish. S I D R C O A T A T O E P R E M Example:STOP

17. S I D R C O A T A TO E P R E M S I D R C O A T A T O E P R E M S I D R C O A T A TO E P R E M S I D R C O A T A T O E P R E M

18. S C D A I A P O O R T E T R E M S I D R C O A T A TO E P R E M S R C T A I D E P O A M T O R E S I D R C O A T A T O E P R E M

19. R T S I D E C O A M A T O P R E R S I T C O D E A T A M P R O E S I D R C O A T A T O E P R E M

20. True or False • The world “boat” can be spelled using four of the letters from the word “automobile”. • 11minutes past 5 o’clock is 48 minutes before 6 o’clock. • If you turn a left-handed glove inside out, it will fit on a right hand. T F T

21. 哈姆雷特 To buy or not to buy, that is the question!

22. Speaking • Jane wants to buy a cellphone. Before she buy one, she asks her Parents and her best friend what they think.

23. TO BUY OR NOT TO BUY ? disagree disagree agree

24. Agreement • Absolutely. • That’s exactly what I was thinking. • That’s a good a point. • That’s just how I see it. • That’s worth thinking about.

25. Disagreement • I disagree. • I’m afraid I don’t agree. • Well, it depends. • Well, I don’t know. • Well, I’m not so sure about that.

26. 1. You are Jane. You want to buy a ellphone. You think that a cellphone is very useful because: • I can use a cellphone to call • my parents if I am late. • 2. I can use a cellphone to call • for help. • 3. I can use a cellphone to stay • in touch with my friends.

27. 2. You are Jane’s best friend. You don’t think Jane should buy a cellphone because: 1. We don’t usually need cellphones. 2. We are not allowed to use cellphones in school. 3. It is better to use the money for something more important.

28. 3. You are Jane’s mother. You do not think Jane should buy a cellphone because: • Cellphones are too expensive. • Jane should not spend too • much time on the phone. • 3. Jane is too young to have • a cellphone.

29. 4. You are Jane’s father. You think that Jane should buy a cellphone because: • If Jane has a cellphone, I can • always find out where she is. • 2. A cellphone will help Jane • feel safe. • Jane can use a cellphone to • send messages to her friends.

30. Conclusion Every coin(硬币) has two sides. Cellphones are everywhere and have positive and negative effects on our life. So we should take a critical(批判的) view of the cellphone culture.

31. In my opinion, you’d better not buy a cellpnone. • First, it’s not safe. Cellphones are valuable things. Taking cellphones with you may cause trouble. You may be robbed of your cellphones. And what’s worse, you may be hurt by the robbers. Besides, you may have the short messages with lots of sex (性)in it. They do great harm to you.

32. Second, they may have bad effects on your study, which is your main task. You may waste your time in sending messages and talking with your friends about nothing with your study. • Third, it’s too expensive for you and not necessary. You can use the telephone cards, which are much cheaper.

33. On the other hand, even if you have a cellphone, use it in the right way. Never overuse it . Care much about your mobile manners. A person with good mobile manners is the one who thinks of others before he dials and always keeps it in mind that the people he’s with should always be more important than a phone call.

34. homework • Review the expressions about agreement and disagreement • Talk about this topic: should students use cellphones at school?

35. Goodbye 链接背景音乐：memory