(
课件网) 人教版 九年级全册同步课件 Unit 13 We are trying to save the earth! Section A 1a-2d To talk about air pollution, water pollution and noise pollution. To think about ways of protecting the environment. To learn to use the sentence patterns used to...but now should do sth. Objects: Lead in: What do you think of our earth Presentation: Will it be so beautiful in the future The earth is polluted. What kind of pollution can you see in the video pollution water pollution noise pollution air pollution land pollution Do you know the different kinds of pollution n. 炭煤 air pollution The factories burn coal , and the black smoke pollutes the air Factories put waste into the river. water pollution People pour rubbish into the river. noise pollution There are more cars in the neighborhood. air pollution Beijing is full of haze. 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 Because of pollution, the water isn’t clean any more. Because of pollution, our sky isn’t blue any more. Because of pollution, more and more people suffer from cancer. Because of pollution, more and more animals lose their lives and homes. Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. 1a noise pollution _____ _____ _____ _____ air pollution _____ _____ _____ _____ water pollution _____ _____ _____ _____ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones cars What kind of pollution are Tony and Mark talking about _____ Water pollution Listen and answer the question: Listen and complete the sentences. What was the problem The river was _____. Even the bottom of the river was full of _____. There were no more _____ for fishermen to catch. really dirty rubbish fish 1b 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 Listen again and answer the following questions. What does Tony want to do later this afternoon He wants to go swimming with Mark in the river later this afternoon. 2. Why doesn’t Mark want to go with Tony Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch. 3. How was the river in the past It used to be so clean. It has been the nicest river in this town. Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 1c The river was dirty. Even the bottom of the river was full of rubbish. But it used to be so clean! Yes, but people are littering in the rive ... ...
