人教九年级全一册Unit13SectionA1a-1c课件(1)

Unit 13 We are trying to save the earth. section A (1a－1c) The earth is polluted. 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 Key to the Points 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 air pollution The factories that burn coal pollute the air with a lot of black smoke. n. 煤炭 Factories put waste into the river. water pollution noise pollution There are more cars on the road. 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 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution ____________ ____________ ____________ ____________ cars air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones factories cars smoking ships factories littering rubbish building housesbuilding houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones Help save the earth We must think of better ways to treat our planet in future. • 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 reusable bags; • recycle books and paper; • turn off the shower when you wash your hair; • don't use napkins; • rethink,reuse, recycle ... ... 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 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 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 summarize:总结 To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. 1,People are throwing litter into river. 2,The river used to be clean. 3,Everyone should help clean the river.