1. REVISION Unit 15 Environmental protection

2. Global warming What causes the global warming? What is it ？ What is happening to it?

3. Our earth is crying What will the global warming cause ? Low-lying nations could be flooded, rain and drought patterns across the world could change. Our earth is not suitable for man to live on.

4. Environmental protection

5. Since there is too much rubbish around us which always polluted our environment. Then what should we do to protect our environment ? Discuss Don’t throw rubbish about. Sort rubbish and recycle some rubbish.

6. 短语回顾 与 … 相连 开始意识到 污水 呼吸新鲜空气 适合 采取措施 除 … 之外 对 … 是威胁 充分意识到 有差异、有关系 占据（时间、空间） 除掉 灭绝 由于，因为 be related to come to realize polluted water breathe fresh air be suitable for take action /take measures/take steps with the exception of a threat to be fully aware of make a difference take up get rid of die out due to summary

7. 1 、 Can you list some things that are related to the word “pollution”. 2 、 The doctor came to realize that some diseases are caused by polluted water. 3 、 The doctor advised him to drink more water and breathe fresh air. 4 、 The house used to be suitable for us people to live in, but now it’s so dirty. 5 、 We must take action to slow global warming. 6 、 With the exception of anther world war or incurable plague, global warming may be the largest threat to our planet. 7 、 We must be fully aware that global warming is a huge problem. 8 、 Whether he will come or not makes no difference. 9 、 Putting the rubbish in landfills takes up too much space. 10 、 The best way to get rid of rubbish is recycling. back

8. due to: 因为 due to +n/doing 可作状语和 表语 一般不放句首 be due to do 预定做 … The accident is due to his careless driving. The game was put off due to rain. He is due to start this evening. 句首常用 owing to 或 because of Which of the following is wrong? A We can’t arrive in time due to the rain. B Owing to the Party’s leadership, we are living a happy life. C We have made much progress because of his help. D Due to the teacher’s help, I study English well. ( )D back

9. die/videad/death ★ d ie 不能与一段时间状语连用. He has __________ for ten years. been dead die out ：灭绝 die away （声音、风、光）渐落、渐息 die of （内因） disease /old age /sadness/hunger die from 外因 die for 为 … 而死 ★ ( ) With the development of modern society, some traditional customs are gradually ______. A dying of B dying out C dying away D dying from B D ( ) The storm ____ eight days later. A died of B died out C died from D died away back

10. Summary global warming Low-lying nations could be flooded. Rain and drought patterns could change. Hurricanes could become more frequent. El Ninos could become more intense. another world war incurable plague threats to our planet curb the use of fossil and fuels reduce the amount of emissions protect the forests plan carefully cause

11. mountains of rubbish landfill burn recycle glass cans paper America all the rubbish China

12. Fill in the blanks With the possible ________ of another world war or incurable plague, ____________ may be the threat to our ______. For decades, human ________ and ____ released billions of tons of___________ gases into the atmosphere. This led to global warming. What could be the results if we don’t curb the greenhouse gas ________? Low-lying nations could be _______, rain and drought patterns across the world could change, _________ could be more frequent, and ________ could become more intense. Action can be taken to slow global warming. We can ____ the use of fossil fuels, ______ the amount of emissions, and _______ the forests in the world. And also we can ____________. Every day people throw away ________ of rubbish. And most of it all goes in ______. Another way to get rid of rubbish is to _____ it. The third way is ________. In America, teens try to put rubbish into different _____: one for ______, one for ______ and one for _____. But in China, most people still put all rubbish into the same ______. We must think about how we can _____________________. If we all start to do, together we can achieve and. exceptionglobal warming planetfactoriescars greenhouse emissions flooded hurricanes El Ninos curb reduceprotect mountainslandfills burnrecycling boxespaper glasscans dustbin make a difference a littlea lotsave our planet plan carefully

13. Homework 1 、 Remember the useful phrases and expressions. 2 、 Think about how to protect our environment. 3 、 Do the exercises of Unit 15. 4 、 Write a composition “Saving Our Earth”.

14. Thanks for your coming! Good-bye!