新人教高二英语课件Unit 9 warming up.ppt

While-listening discussion Homework * Unit 9 warming up Water pollution Trash/Garbage Air Pollution Deforestation Desertification Starvation What do you think is the biggest problem ? What do you think causes the problem? What should we do to solve the problem? Causes: factory car Solution: use new technology, use less energy, try to use and recycle much water Causes: buy product using too much wrapping and then throw away too much garbage in the street or in nature. Solution: reduce garbage by buying products that use less packaging and never throw them or recycle them Causes: factory car Solution: using new technology, use less energy, try to use and recycle much water Causes: need for wood and fuel Solution: plant new trees, try to use less wood Causes: need for wood and fuel Solution: repair desert area protect the areas that are in danger of becoming desert Causes: uneven distribution of wealth, sometimes natural disasters Solution: providing education and technology, giving monetary aid to disaster-stricken areas A PROPOSAL 1. Don’t use one-off chopsticks , lunch-boxes and cups. 2. Don’t use paper tissue when you sneeze, use handkerchief instead. 3. Don’t send post-cards.Send electronic cards by e-mail. 4. Don’t throw rubbish at will. 5. Don’t make a lot of noise. 6. Don’t waste water 7. Don’t waste electricity. 8. Don’t destroy trees and grass. Questions: What problems are mentioned in the flash? Pre-listening: What will the speaker talk about in the speech? What does the speaker think the biggest problem is? how to protect water 1. Listen for the question Prediction : What will the speaker say about the problem next? 2.Listen for outline bad effects causes solutions importance √ √ 3.Listen for details problem causes solutions 1. waste… because … 2. pollute… by … 1. take better ca