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Unit13 We’re trying to save the earth! Section A 1a-2c Objectives By the end of the class, students should be able to: Talk about air pollution, water pollution , noise pollution and waste pollution. Think about ways of protecting the environment. learn to use the sentence patterns ...used to...but now should do sth. 2 water pollution land/waste/soil pollution noise pollution air pollution What kind of pollution are they talking about? 【教学目的】 1、通过音频结合图片,理解听力的主要内容。 【教学方法】 1、图片演示法-通过图片,演示几种污染类型,帮助学生在听力过程中选出正确答案。 【讲稿内容】 【1】Let’s listen to a conversation and find out what kind of pollution the speakers are talking about. 【2】What kind of pollution are the speakers talking about? 【3】You please. 【4】【学生可能回答】Water pollution. 【5】(点击动画)Yes. They are talking about water pollution. 3 Pre-listening Different kinds of pollution noise pollution air pollution water pollution waste pollution What caused these problems? 4 noise pollution Loud music planes building houses , , and caused the noise pollution. 5 air pollution Some factories are burning c and they are polluting the air with a lot of balck s . There are more and more cars on the road. They are putting w gas into the air. oal moke aste 6 1a.Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes cars 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 Listen and complete the sentences. 1b What was the problem? The river was . Even the bottom of the river was full of . There was no more for fishermen to catch. 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. fis