1. Chapter 2 Protecting our environment (a) 布吉中学 许智雄

2. Reading Listening Speaking Writing Grammar

3. Reading (1) Presentation Words study

4. Warming-up ■ Answer the questions. 1. Where do we live? 2. What things can effect ( 影响 ) our health? Can you give some examples? 3. What’s the most important work we should do for our living( 生存 )?

5. The Earth is our homeland. We must protect our earth. However, our earth is in danger. Now please watch a short movie. Click here! Watch!

6. The environment pollution is a big problem in the world. It's attacking our health seriously. air pollution It’s hard for me to breathe! Help! Producing strong harmful gas

7. We know that fresh air is very important to human beings. However, many factories produce harmful gases into the air. It makes the air dirtier and dirtier. It's harmful to our health. What shall we do? Can you give some advice?

8. Water is also one of the most important resource ( 资源 ) to human beings. However, water pollution is everywhere. It becomes more and more seriously problem. Look at the following pictures. How do you feel? And What shall we do? Can you give some advice?

9. water pollution We are worrying … We are crying! Our hearts feel painful! Stop !!!

10. Yellow River is polluted Taihu is polluted fish is dead becomes dirty

11. We are very sad to see that our environment is polluted in many ways. rubbish pollution

12. food polution

13. Keep quiet, please! I can be asleep. Stop, noise! Noise pollution Bomb! Beep! too noisy

14. Pollution air pollution noise pollution water pollution What pollution do you often see in our daily life? Summary food pollution

15. What a beautiful estate it is! Everyone wants our homeland like this. Do you think so? But …

16. Howerver, we feel sad because many places ar polluted in many ways. The nature is getting worse and worse. The water becomes dirtier and dirtier and air is also getting more and more terrible. For examples, please look at these photos.

17. “Help me! I’m thirsty! Where are you, water? I can’t live without you!

18. The soil is washing away.

19. sand storms in the northwest areas The dust is covered many cities.

20. The environment become more more serious. There is much pollution around us. Our homeland is in danger. What should we do? Talk it over. Discussion

21. What should do to protect our homeland? ◆ Protect the water resource. ◆ Don’t throw rubbish into the rivers, lakes. ◆ Save water everyday

22. Do some cleaning To make our homeland clean.

23. They are having a survey on pollution.

24. ● To plant trees to protect our environment. ● to make the air clean ● to keep up the soil planting trees Why do they plant trees ?

25. Look at the picture (P15) and make dialogue in pairs. Sam: What are doing in the garden? Robert: I’m planting trees. Sam: What trees are you planting? Robert: I’m planting apple trees. Sam : Where are the trees? Robert: They are in the soil.

26. How do you know about…? 1. How long do they live on the earth? mice mimi 2 years 14 years

27. 1,200 years 25 years

28. 2. Pollution means the process( 过 程 ) of making things dirty and unhealthy. Which type of pollution do trees help fight? Trees can stop air pollution noise pollution water pollution

29. 3. Which of the following come from trees? trees fruit beans tea oil cotton rubber

30. 4. The best-known flowers in Shenzhen are azaleas. These sweet-smelling flowers are known as the flowers of Shenzhen city. Which picture shows azaleas( 勒杜鹃 )? Banana trees palm trees azaleas

31. C2. Find the words in Column A in the interview and match them with the meanings in Column B. The answers: Project --- ( ) 2. interview--- ( ) 3. Breathing --- ( ) 4. natural--- ( ) 5. Warn --- ( ) 6. a chemical--- ( ) 7. Cut down --- ( ) c b da g e f

32. Lean the new words by heart. 1. probably — perhaps 很可能 2. give out –sth comes out of 释放 3. harmful – dangerous, trouble 有害的, 麻烦的 ■ Smoking is harmful to our health.

33. 4. pass – give sth. to sb. by hand 传递, 递给 He passed the torch to another.

34. 4. fight (v.) 斗争，打架， fighter (n.)-- soldier 战士 5. collect – get sth. together 收集 ■ Do you like collecting stamps? 6. project 工程 ; a class project 课题 ■ We’re studying a class project on environment.

35. 7. interview – ask sb. questions for sth. 采访 ■ The news reporter is interviewing Gou Jingjing. 8. Doctor (Dr.) 博士， 医生

36. 9. be interested in sth. 对 … 感兴趣 = like (enjoy) doing sth. ; = be keen on sth. ■ What sport are you interested in, Judy? =What sport are you keen on, Judy? 10. end (n. v.) 末尾、结束 the end, 结束； in the end 在末尾； at the end of… 在 … 的末端；

37. 11. breathing fresh 呼吸新鲜空气 breathe (v.) /i:/, breath (n.)/e/ 呼吸, fresh 新鲜的， fresh fruit (vegetables, meat, milk, air…) ■ Let’s climb Wu Tong M. and breathe fresh air. 12. nature 自然； natural 自然的

38. ■ We try our best to keep the balance of nature. 我们要尽力保持 生态平衡。 natural air conditioner 天然空调， natural environment 13. cool (v.) = make sth. cool ，使 … 凉快 ■ It’s so hot now. Let’s get some ice-cream to cool our ourselves.

39. 13. insects 昆虫 ■ Butterfly is one of the insects. 14. Warn 警告、忠告 ■ The guide warned the tourists not to climb the mountain with fire. 15. produce (v.) 产生，生产 ， production 制造, product 产品

40. 16. chemical 化学物质 ■ This kind of insect can produce a chemical when others attack it. 17. join (v.) 加入、参加, 聚在一起 ■ They joined together last night. ■ He joined the army two years ago. 18. underground (n.) 地下，地铁

41. ■ Trees joined their roots together underground. 19. communicating with 交流 ■ Tree can communicating with each other. 20. be in danger 处以危险中 ■ They are in danger, please call 110 for help. 21. destroy (v.) 破坏

42. ■ In order to build factory, the villagers destroyed the nature. 22. cut down: cut sth. to make it fall down 砍下 ■ Why did they cut down the trees? 23. burn (v.) → burnt 燃烧，烧毁 The forest in Australia burned a lot.

43. 24. against (prep.) 反对，违反 ■ He turned against his promise. ■ We must destroy our best fighters against pollution. ■ Sometimes our teacher stand against the door.

44. More practice Matching ◆ nature ◆ interview ◆ insect ◆ produce ◆ burn ◆ warm ◆ collect ◆ chemical ◆ 警告 ◆ 产生 ◆ 燃烧 ◆ 收集 ◆ 化学物质 ◆ 昆虫 ◆ 自然 ◆ 采访

45. Matching breathe fresh air communicate with destroy nature a class project be in danger cut down harmful gas be interested in give out 破坏自然 有害气体 砍下 对 … 有兴趣 呼吸新鲜空气 一个课题 发出、释放 在危险中 与 … 交流

46. C2. Find the words in Column A in the interview and match them with the meanings in Column B. The answers: Project --- ( ) 2. interview--- ( ) 3. Breathing --- ( ) 4. natural--- ( ) 5. Warn --- ( ) 6. a chemical--- ( ) 7. Cut down --- ( ) c b da g e f

47. Fill in the blanks with correct words. 1.He _____ the letter after reading it. 2.Some people like __________ stamps from different countries. 3.I put some ice into the glass to _____ the water inside. 4.Mum _______ you not to go out. There is a storm coming soon. 5.Trees are ______ air conditioners. 6. Trees can p______ a c_______. burnt collecting cool warned natural roducehemical

48. More practice 1.Mr. Xu ______________( 在采访 ) a professor___________( 关于环境 ). 2. Do you like _________ ( 收集 ) stamps? 3. Mr. Liu ___________________ ( 对 … 感兴趣 ) insects( 昆虫 ). is interested in is interviewing collecting on pollution

49. 4.Some farmers use _________ ( 化 学物质 ) to kill _______( 昆虫 ) for the crops. 5. Trees can __________________ ( 与 … 交流 ) each other. 6. We must ___________ ( 尽力 ) to stop the _________( 污染 ) around us. chemical communicate with pollution insects try our best

50. 7. We should ____ ( 敬告 ) the children not to _____________( 玩火 ) in the forest. 8. All the ____________( 生物 ) will die without water. 9. If we don’t plant more trees, the soil will ___________ ( 流失 ), the air will be dirty. So we must take our action to _______ ( 保护 ) our earth. warn living things wash away protect play with fire

51. Translate the following words and expressions into Chinese. 1. collect some facts 2. interview sb. 3. a class project on pollution 4. be interested in sth. 5. living things 6. be useful for

52. 6. enjoy breathing fresh air 7. thank sb. for sth. 8. cool the air 9. natural air conditioners 10. know a lot about trees 11. insects attack a tree 12. warn sb. not to do sth.

53. 13. produce a chemical 14. make sb. do sth. 15. join their roots together underground 16. communicate with one another, 17. be in danger

54. 18. cut down lots of trees 19. burn a lot of trees 20. destroy 21. do against pollution 22. the best fighters of pollution

55. Homework 1. Learn the new words by heart. 2. Prepare the whole passage. 3. What’s the trees useful for? Think it over.