Welcometotheunit1

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1、Lead inLead inQuestions:1.Have you ever seen such kind of pictures? 2.What problems do they reflect?3.Have you noticed changes of the environment around you? Give an example.Picture talkingPicture talking1.What kind of pollution does this picture show?2.If the factory is in your neighbourhood, how d

2、o you think the smoke will affect you?Picture talkingPicture talking1. Why do people chop down so many trees every year?2. What will happen if this continue?Picture talkingPicture talking1. What might be the reasons for the terrible forest fire in the picture?2. Do you think the forest plays an impo

3、rtant role in balancing nature?Picture talkingPicture talking1. Have you ever experienced any sandstorms or have you seen some on TV?2. What measures has our government taken to better our environment?Picture talkingPicture talking1. Do you prefer to live with a factory nearby? Why not?2. If you wer

4、e in charge of the factory, how would you deal with it?Picture talkingPicture talking1. How do you feel when you see piles of rubbish like this?2. Do you think it possible for us to recycle some of the rubbish?Discussion Discussion 1.Can you think of other natural disasters that damage the environme

5、nt?2.2.Can you think of other ways in which people 3. damage the environment?Extending Extending More examples of natural disasters:More examples of natural disasters:floodtyphoontsunamiMore problems caused by people:More problems caused by people:greenhouse effect ozone hole 1981-1999acid rainHomework:1.Try to protect the environment around you;2.Finish exercises on Page 102&103 in Workbook;3.Preview Reading.

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