英语教学课件系列

1. 英语教学课件系列 九年级 it! for Go

2. Unit 13 We are trying to save the earth. Section A 1a-3b

3. Language Goal Talk about pollution and envirnmental protection

4. Objectives To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. To learn the new words: advantage, scientific

5. the earth song by Michael Jackson !!! serious pollution air pollution soil pollution water pollution 伤害 We are harming our planet in so many ways.

6. Factories pour dangerous gases into the air.

7. Cars also pour dangerous gases into the air. tail gas

8. air pollution! The weather is always foggy. We can’t see the blue sky. We can’t breathe the fresh air. Do you know why?

9. Factories produce too much dangerous smoke. • The traffic produces too many fumes. • Some people smoke in public places.

10. Dad, what’s the acid rain?

11. Natural resources are disappearing at a dangerous rate. 以危险的速度

12. Group One Group Three Group Two

13. desert

14. extinct 灭绝

15. Help save the earth We must think of better way to treat our planet in future.

16. What do you usually do ? Are you a friend of the Earth? Take this quiz. START

17. You drink a can of cola. What do you do? I throw away cans. I recycle cans.

18. You throw away the cans. That’s bad for the Earth.

19. You recycle the cans. That’s good for the Earth.

20. There are a lot of old newspapers at your home. What do you do? I throw the old newspapers away. I recycle the old newspapers.

21. You throw old newspapers away. You waste paper. That’s bad for the Earth.

22. You recycle old newspapers. You save paper. That’s good for the Earth.

23. You go shopping. What do you do? I use a lot of new plastic bags. I use my own bag.

24. You use a lot of new plastic bags. That’s bad for the Earth.

25. You use your own bag. That’s good for the Earth.

26. When you write on a piece of paper, what do you do? I write on one side only. I write on both sides.

27. You use paper on one side only. That’s bad for the Earth.

28. You use paper on both sides. That’s good for the Earth.

29. solutions • close down the factories; • help to clean up the river; • take the bus or subway; • ride a bike; • bring a bag to go shopping,throw rubbish in the cans; • turn off the lights when you leave a room; • use paper or resusable bags; • recycle books and paper; • turn off the shower when you wash your hair; • don't use napkins; • rethink,reuse, recycle ... ...

30. Words and expressions industry harmful cost wooden plastic affort n. 工业 adj. 有害的 v. 花费 adj. 木制的 adj. 塑料的 v. 支付的起

31. Words and expressions make a difference take part in turn off pay for cut down lead to 起作用；有影响 参加 关掉 付费；付出代价 减少 导致

32. Sentences • We’re trying to save the earth. • 我们在努力拯救地球。 • The rive used to be so clean. • 这河流过去是如此的清澈。 • The air is badly polluted. • 空气被严重污染。 • The method is not only cruel, but also harmful to the environment. • 这种方法不仅残酷，而且对环境也有害。

33. 基础预习 写出下面单词的意思 litter________ bottom________ fisherman_________ ugly__________ cost________ plastic________ coal_______ advantage_______ wooden_______

34. 把下面的短语与汉语意思连起来。 make a diffenence cut down lead to be full of play a part in 导致 起作用 减少 参与 充满

35. Here are some words related to different kinds ofpollution. Write them in the box below. Then addmore words. 1a

36. water pollution air pollution noise pullotion

37. 1b Listen and complete the sentences. really dirty rubbish fish

38. litter waste government close down clean up

39. Watch and read

40. Mark: The river was dirty. Even thebottom of the river was full ofrubbish. Tony: But it used to be so clean! Mark: Yes, but people are littering in the river. Tony: Everyone in this town should play a part in cleaning it up! 1c Role-play the conversation. Then make your own conversations aboutthe kinds of pollution in 1a.

41. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution

42. 2b Listen again and complete the sentences. 1. The air is badly polluted because there are ________on the roadthese days. 2. Factories that burn coal also ______ the air with a lot of blacksmoke. 3. There is also too much rubbish and waste. People ___________________things away every day. 4. People are also littering in____________ like parks. Th is turnsbeautiful parks into ugly places. more car pollute are throwing away public places

43. Jason: The air has become really polluted around here.I’m really getting worried. Susan: Yes, I used to be able to see stars in the sky. Jason: The problem is that ... 2c Use the information in 2a and 2b to role-play conversations betweenJason and Susan.

44. Role-play the conversation. 2d Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subwayinstead of driving. Susan: Yeah, or ride a bike. Other advantages of bike riding are that it’sgood for health and it doesn’t cost anything!

45. Interviewer: Great ideas! What about waste pollution? Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home.

46. Susan: And remember to throw rubbish in the cans and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make adifference and lead to a better future!

47. Watch and read

48. 辨析： turn, get与become (1) become 多指身份，职位等的变化， 它强调变化过程已经完成，后面可以接名词 或者形容词。 He becomes a teacher. (2) get多用于口语，表示一种变化过程， 强调的是“渐渐变化”后常接形容词的比较级形式。 Language Points

49. In winter the days get shorter. 冬天白天渐渐变短。 (3) turn 指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。 leaves turned brown in the mountains. 山里的树叶已经变成了棕色。 ： • Her mother ______ angry when she heard the news. • It's _____ darker and darker outside. • The milk has ______bad. 练习 became getting turned

50. cut down, 意为"减少"； 是“动词+副词”结构的短语，后面所带的宾语为名词时，宾语可以位于down的前面或后面；为代词时只能位于down前面。 You'd better cut the article down to about 2000 words. cut 后接off, into,up, in 的不同： 拓展