Unit 13 第1课时 Section A 1a-2d-（教学课件）2022春【鸿鹄志·名师测控】九年级下册初三英语（人教版）

人教版·九年级下册 英语 Unit 13　We're trying to save the earth! Section A 1a-2d 情景导入 What kinds of pollution do you know? water pollution noise pollution land pollution air pollution pollution air pollution water pollution noise pollution land pollution 单词展示 litter litter bin n. 垃圾；废弃物 n. 垃圾箱 v. 乱扔 = throw litter fisherman pl. fishermen n. 渔民；钓鱼的人 生成新知 1a 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 noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses cars 1b 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 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