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课件网) Unit 13 We’re trying to save the earth ! Section A (1a-1c) 人教版 九年级英语 下册 What does the video mainly talk about lead in Here are some pictures related to different kinds of pollution. be related to与...有关 1a ships factories smoking building houses mobile phones loud music cars rubbish planes littering Do you know these words related to different kinds of pollution 汽车 嘈杂的音乐 垃圾 飞机 乱扔垃圾 轮船 工厂 烟雾 建房子 手机 cars factories smoking building houses loud music cars planes building houses mobile phones rubbish littering ships factories noise pollution air pollution water pollution machines burning coal waste The main idea of the conversation is about( ) A. health problems B. air pollution c. water pollution listen and answer the question. 1b c What was the problem The river was _____. Even the bottom of the river was full of _____. There were 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. Listen again and complete the sentences. really dirty rubbish fish litter waste government close down clean up Listen for the third time and fill in the blanks. 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 _____ river in this town. swimming because dirty bottom rubbish catch clean nicest Mark tells Tony that people are throwing _____ into the river. Factories are also putting _____ into the river. They decide to write to the _____ and hope that it could _____ the factories. They also think that everyone should help to _____ the river and play a _____ in protecting the environment. litter waste government close down clean up part 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 littering in the river. Tony: Everyone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution . 1c So to help save the earth what should we do We should plant more trees. We should save the water. We shouldn’t waste food. We should turn off the lights when we leave a room. We should sort(分类) the rubbish. We should take the bus instead of driving. How to cut down the pollution close down some factories; help to clean up the river; take the bus or subway; ride a bike; throw rubbish in the bins; turn off the lights when you leave a room; use paper or reusable bags; recycle books and paper; summary Homework Individual(cho ... ...