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课件网) Unit 8 We’re trying to save the earth Let’s see who does the best fisherman n.渔民 coal n. 煤 litter v.乱扔，n. 垃圾 bin n. 垃圾箱 takeaway n. 外卖食物 wooden adj. 木制的 plastic adj. 塑料的 n. 塑料 bottom n. 底部 Enjoy an MV water pollution pollution land pollution noise pollution air pollution How many kinds of pollution do these pictures show? Let’s learn! The river used to be clean. Now it is dirty. What caused the problem? People are throwing litter into the river. throw …… in to Let’s learn! What caused the problem? Factories are putting waste into the river. 废物 put waste into factories Let’s learn! The sky used to be blue. Now it is polluted. What caused the problem? Factories pollute the air with a lot of black smoke. pollute …with… 用...污染... Let’s learn! What caused the problem? There are more cars on the road. more cars Let’s learn! The street used to be quiet. Now it is noisy. What caused the problem? There are more and more cars on the road. We’re harming (伤害） the earth in many ways. But we only have one earth.So what should we do to help save the earth. close down We should close down the factories. What shoud we do? We should plant more trees. What shoud we do? We should help clean up the river. take the bus What shoud we do? We should take the bus or walk to school. walk to school 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 throwing litter in the river. Tony: Everyone in this town should play a part in cleaning it up! Let’s talk! Make your own conversations about the kinds of pollution.Then talk in pairs. 2d Listen 2d , and then answer the questions. 1.What are the advantages of bike riding? 2. When did Susan start bringing a bag to go shopping? Riding a bike can cut down air pollution ,it’s good for health and it doesn’t cost anything. One year ago. Task 1 Read 2d and complete the chart. Problems Solving problems air pollution waste pollution wooden (木头的) chopsticks or plastic forks rubbish take the bus, subway or ride a bike instead of driving. bring a bag to go shopping. use chopsticks or forks at home. throw rubbish in the bins. 2d Task 2 Interviewer:Excuse me,What are your ideas for solving pollution problems? StudentA: To cut down … pollution,we should…… Interviewer : Good ideas! How about ….. ? Student B: I think we should…… .It’s good for…… Interviewer: And you? Student C :……. Interviewer :So together, our actions can make a difference and lead to a better future./make the earth much better. Work in groups Suppose(假设) that one of the students in your group is the interviewer ,and the other three are the interviewees (被采访者）,role play the conversation using the phrases we learned . Task 3 1a loud music cars rubbish planes littering ships factories smoking building houses mobile phones Here are some words related to different ki ... ...
