2. litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin v. 乱扔 n. 底部；最下部 n. 渔民；钓鱼的人 n. 煤；煤块 adj. 丑陋的；难看的 n. 优点；有利条件 v. 花费 adj. 木制的；木头的 n. 塑料；塑胶 n. 外卖食物 n. 垃圾桶 Words Review

3. Language Goal Talk about pollution and environmental protection

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

5. Save the Earth!

6. coal plastic ugly wooden bottom fisherman bin cost takeaway advantage litter

7. Endangered animals Desertification Natural disasters Pollution

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

9. Saving endangered animals is one thing we can do for our world. What else can we do to help save the planet?

10. try to use the public transportation recycle books and paper turn off the light when you leave a room turn off the shower while you are washing your hair

11. The earth is polluted.

12. Because of pollution, our sky isn’t blue any more.

13. Because of pollution, the water isn’t clean any more.

14. Because of pollution, more and more people suffer from cancer.

15. Because of pollution, many animals were killed. Because of pollution, more and more animals don’t have places to live in.

16. There are more and more disasters （灾难） on the earth because of pollution

17. air pollution The factories that burn coal pollute the air with a lot of black smoke. n. 煤炭 Can you think of the different kinds of pollution?

18. Factories put waste into the river. water pollution

19. noise pollution There are more cars on the road.

20. litter v. 乱扔 n. 垃圾 Rubbish ， waste 垃圾，废弃物 People should throw away litter in the bin. n. 垃圾箱 land pollution

21. 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones

22. noise pollution ____________ cars air pollution ___________ water pollution ____________ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses

23. 1b Listen and complete the sentences. What was the problem? The river was _____________. Even the bottom ( 底部 ) of the river was full of _________. There were no more ______ for fishermen ( 渔民 ) to catch. really dirty rubbish fish

24. What caused the problem? People are throwing _______ into the river. Factories are putting ______ into the river. How should the problem be solved? We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river. litter waste government close down clean up

25. Mark: The river was dirty. Even the bottom of the river was full of rubbish. 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! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 1c

26. 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

27. 1. The air is badly polluted because there are ________on the road these days. 2. Factories that burn coal also ______ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People ___________________things every day. 4. People are also littering in____________ like parks. This turns beautiful parks into ugly places. more cars pollute are throwing away public places 2b Listen again and complete the sentences.

28. 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... Use the information in 2a and 2b to role-play conversations between Jason and Susan. 2c

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

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

31. After you drink a can of cola. What do you do? I throw away cans. I throw away cans. I recycle cans. I recycle cans.

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

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

34. 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.

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

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

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

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

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

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

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

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

43. What should we do to save the earth?

44. stop riding in cars

45. stop using paper towels or napkins （餐巾，餐巾纸） [ ˈ ta ʊ əl]

46. recycle books and paper 回收利用

47. 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......

48. Read the conversation and complete the chart. ProblemsSolving problems air pollution waste pollution wooden ( 木头 的 ) chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping. use chopsticks or forks at home. throw rubbish in the bins.

49. 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 subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost anything! 2d2d Role-play the conversation.

50. 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.

51. 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 a difference and lead to a better future!

52. 1.This is turning beautiful places into ugly ones. turn… into… 把 …… 变成 …… e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。

53. 2. It’s good for health and it doesn’t cost anything! cost v. 花费；使付出 指花费金钱，主语通常是物。 cost 的过 去式和过去分词均为 cost 。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了 200 元买了新衬衫。 How much does the new computer cost? 新电脑花了多少钱？

54. take, spend, pay & cost take ， spend ， pay 和 cost 都可以表示 “ 花 费 ” ，但它们的用法各有不同。 1) take 多表示花费时间，常用于 It takes sb. some time to do sth. 这一句型中，其 中 it 作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner.

55. 2) spend 多表示花费时间和金钱，主语通 常是人，常用于 sb. spend(s) some time / money on sth. 和 sb. spend(s) some time / money (in) doing sth. 两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.

56. 3) pay 多表示花费金钱，主语通常是人， 常用于 sb. pay(s) some money for sth. 句 型。 e.g. Tommy paid 20 yuan for his breakfast yesterday. 4) cost 多表示花费金钱，主语通常是物， 常用于 sth. cost(s) (sb.) some money. 句 型。 e.g. The new dress cost Linda 88 yuan.

57. 根据句意用 take, spend, pay 或 cost 的适当 形式填空。 1. That new car ________ them lots of money. 2. Mona __________ 50 yuan on the books just now. 3. It usually _______ me an hour to do my homework. cost spent takes

58. 4. You should __________ some time practising your pronunciation. 5. My brother _______ 6, 000 yuan for the new computer yesterday. spend paid

59. 3. So together, our actions can make a difference and lead to a better future! make a difference (to…) 表示 ( 对 ……) 产生影响或作用 e.g. Do you think his words would make any difference to the final decision? 你认为他的话会对最后的决定产生影 响吗？

60. The new teacher always encourages little Tom. This has made a big difference to him. 新来的老师总是鼓励小汤姆，这对他影 响很大。

61. Jason and Susan, what are your ideas for solving these problems?

62. Jason and Susan are talking about how to solve pollution. To cut down air pollution, we should _______________________________ _______________. Bike riding ___________ ______ and it doesn’t _____________. As for waste pollution, Susan thinks simple things like ___________________________ can help. Jason never ____________________________ _____________ when he buys takeaway food. Susan suggests that we should ____________ in the bins and keep pubic places clean. ride a bike, take the bus or subway instead of drivingis good for health cost anything bringing a bag to go shopping takes wooden chopsticks or plastic forks throw rubbish

63. 1.We’re trying to save the earth! 我们正在竭尽全力拯救地球 ! try to do =try one’s best to do 努力去做某事 Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努 力学习。

64. 2. Here are some words related to different kinds of pollution. be related to 与 … 有关 I am not related to him in any way. 我和他无任何关系。

65. 3. Everyone in this town should play a part in cleaning it up! play a part in 在 …… 方面起作用 A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非 常大的作用。

66. 4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river. litter 和 rubbish : “ 垃圾 ” ，不可数名词 rubbish 指 “ 没用的东西 ( 被扔或将要丢弃 的无用的东西 )” 不可回收 litter 指 “( 室内或公共场所 ) 乱扔的废物 ( 纸 屑、不要的包装纸、废瓶等 )” 还可回收 Throw the rubbish out. Pick up your litter after a picnic.

67. Points on P97 1.try to do =try one’s best to do 努力去做某事 2.be related to… 与 …… 有关 3.mobile phones 手机 4.rubbish, litter,waste 垃圾, 废物 5.the bottom of the river 河底 6.be full of 充满 …… 7.fisherman-fishermen 渔民 8.government 政府 9.throw litter into the river 把垃圾扔到河里 10.ask sb. to do 要求某人干某事 11.close down the factories 关闭工厂 12.clean up 打扫 13.used to be… 过去是 … 14.play a part in… 参与，在 …… 中扮演角色

68. Memory 1. 努力去做某事 2. 与 …… 有关 3. 手机 4. 垃圾, 废物 5. 河底 6. 充满 …… 7. 渔民 8. 政府 9. 把垃圾扔到河里 10. 要求某人干某事 11. 关闭工厂 12. 打扫 13. 过去是 … 14. 在 …… 中起作用，在 …… 中扮演角色

69. Points on P98 15.be badly polluted 受到严重污染 16.public places 公共场所 17.turn…into… 把 …… 变成 …… 18.cut down 减少 19.take the bus or subway instead of driving 乘坐 公交或地铁代替开车 20.ride a bike 骑自行车 21.advantages of bike riding 骑自行车的好处

70. Points on P58 22.be good for our health 对我们的健康有好处 23.cost ， spend ， take, pay 花费 24.wood-wooden 25.takeaway food 外卖食物 26.throw rubbish in the bins 把垃圾扔进垃圾箱 27.keep public places clean and beautiful 保持公共 场所干净漂亮 28.make a difference (to) ( 对 ……) 产生影响或作用 29.lead to… 导致，通向

71. 1. 被污染 2. 烧煤 3. 太多 4. 扔掉 5. 把...... 变成...... 6. 附近 7. 能够 8. 解决问题 9. 减少空气污染 10. 乘公共汽车或地铁 11. 代替、而不是...... 1.be polluted 2.burn coal 3.too much 4.throw away 5.turn...into... 6.around here 7.be able to 8.solve a/the problem 9.cut down air pollution 10.take the bus or subway 11.instead of

72. 1. 骑自行车 2. 骑自行车有别的好处。 3. 对...... 有益 4. 垃圾污染 5. 去购物 6. 开始做某事 7. 记得要把垃圾扔进垃圾桶 8. 保持公共场所的整洁和美丽 9. 对...... 有影响、有作用 10. 通向美好未来 1.ride the bike 2.There are other advantages of bike riding. 3.be good for 4.waste pollution 5.go shopping 6.start doing 7.remember to throw rubbish in the bins 8.keep public places clean and beatiful 9.make a difference to sb. 10.lead to a better future

73. 用动词的适当形式填空。 1. We’re trying _______ (save) the earth. 2. There used to _____ (be) clean and beautiful. 3. There are too many ____ for __________ to catch (fish). 4. It’s bad for environment to use _________ (wood) chopsticks. to save be fish wooden fishermen

74. 用方框中所给词的适当形式填空。 1. Don't throw _______( 垃圾 ) everywhere. 2. In winter, many people burn ______( 煤 ) to keep warm. 3. The police found a body at the ________( 底部 ) of the lake. 4. The ______( 花费 ) of living in big cities is very high. 5. He keeps a rabbit in a big _______( 木制的 ) box. cost wooden, coal, bottom, litter cost wooden coal bottom litter

75. 汉译英。 1. 你想要做什么？ 2. 他在工作中其重要作用。 3. 这些问题都是密切相关的。 1. What are you trying to do? 2. He plays an important part in the work. 3. These problems are closely related.

76. Thank you for your listening