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课件网) Unit 13 We're trying to save the earth! Section A 1a-1c try to do=try one's best to do Learning Objectives 话题：保护环境 protecting the environment Language Goal： To talk about pollution and environmental protection To listen for specific information To learn to use the sentence patterns used to...but now should do sth. View the pictures on P97, understand it and introduce what it is about by answering the following questions 1. What can you see in these pictures . 2. What happened to the environment was badly polluted air pollution noise pollution water pollution Lead-in 3. What kinds of pollution do these pictures show The factories that burn coal pollute the air with a lot of black smoke. There are more cars and buses on the road these days. u.n.煤，煤块 Look and say What caused air pollution,noise pollution, and water pollution People talk loudly in public. Building houses. There are more cars and buses on the road these days. Factories put waste into the river. People throw litter into the river.Even the bottom of the river is full of rubbish. u.n.垃圾，废弃物 u.n.垃圾，废料 n.底部，最下部 1a Here are some words related to different kinds of pollution. Write them in the box below. loud music cars rubbish planes littering ships factories smoking building houses mobile phones be related to 与……有关 e.g. This unit is related to save the earth.这个单元和拯救地球有关。 Add more words: machines机器 power plants发电厂 sewage污水 vehicles交通工具 nuclear waste leak核废料泄露 industrial waste water burning燃烧 工业废水 The general idea of the conversation is about A.health problems B.air pollution C.water pollution Pre-listening Predict：What kind of pollution is it？ Tip：Find out the key words in1b. Listen1b and check your prediction. really dirty rubbish fish litter waste government close down clean up 河底 Do you think the problem is very serious ？ Government While-listening Unity is power. factories everyone + + = 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”。 Read and underline what the river used to be like. in the past now How do you feel Tony wants to go _____ in the river with Mark this afternoon. But Mark doesn’t want to go, _____ he went there last weekend and the river was really _____. Even the _____of the river was full of _____, and there were no more fish for fishermen to _____. Tony thinks the river used to be so _____. It has always been the _____(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the _____ (政府）and hope that it could _____ (关闭）the factories. They also think that everyone should help to _____ (清理 )the river and play a _____ (发挥作用） in protecting the environment. swimming because dirty bottom rubbish catch clean nicest litter was ... ...
