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课件网) Unit 13 We’re trying to save the earth! Period(One) Section A(1a-2d) 版本:人教版八年级上册 Lead in Watch a video and say what you find. The _____ is polluted. earth _____ pollution _____ pollution air water _____ pollution noise Do you know any other kinds of pollution? Objectives To talk about pollution and environmental protection. 2. To learn to use the sentence patterns. used to...but now should do sth. 3. To master key words and phrases: litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, make a difference, lead to, instead of Warming up Do you like it? a clean city… the blue sky… The earth is polluted. But… 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 mobile phone pollution litter v. 乱扔 n. 垃圾(不可数) rubbish waste 垃圾，废弃物 People should throw away litter in the bin. n. 垃圾箱 noise pollution There are more cars on the road. Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones 1a noise pollution air pollution water pollution _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ loud music planes building houses mobile phones machines crowds vehicles cars factories smoking building houses burning power plants rubbish littering ships factories sewage 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 Tony: Hey, Mark, maybe we could go swimming in the river later this afternoon. Mark: I don’t think I want to go, Tony. Tony: Why not? Mark: I was there last weekend and 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. Tapescripts: Tony: No way! It used to be so clean. In fact, it has always been the nicest river in this town. Mark: Not anymore. I think people are throwing litter into the river. Factories are also putting waste into the river. Tony: That’s terrible! We should write to the government. They should close down the factories. Mark: Good idea! But I think everyone in this town should help to clean up the river, too. Everyone should play a part, not just the government. used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。 play a part in doing sth. “参与做某事; 在做某事上起作用”。 1c Role-play the conversation. T ... ...
