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课件网) Unit 8 We’re trying to save the earth! Section A (1a—2d) 一、重点单词:litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic 二、重点短语:be full of, used to, play a part in, clean up, cut down, instead of, make a difference 三、重点句型: (1)We’re trying to save the earth. 我们在努力拯救地球。 (2)The river used to be so clean. 这条河流过去是如此的清澈。 (3)The air is badly polluted. 空气被严重污染。 Noise pollution Warming up. Look at the pictures and learn the pollution. Air pollution! The weather is always foggy. We can’t see the blue sky. We can’t breathe the fresh air. Do you know why Factories put waste into the river. Water pollution Land pollution loud music rubbish cars planes littering ships factories smoking building houses mobile phones 1a.Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. 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. dirty rubbish fish litter waste government close down clean up 1b. Listen and complete the sentences. play a part in doing .... 在……中起作用 1c. Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 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 into the river. Tony: Everyone in this town should play a part in cleaning it up! 2b. Listen again and complete the sentences. 1. The air is badly polluted because there are_____ on the road these days. 2. Factories that burn coal also_____ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People _____ things every day. 4. People are also littering in_____ like parks. This is turning beautiful places into ugly ones. A. land pollution B. air pollution C. noise pollution D. water pollution more cars pollute are throwing away public places 2a. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. Jason: The air has become really polluted around here. I’m getting very worried. Susan: Yes, I used to be able to see stars in the sky. Jason: The problem is that ... be able to 能;会 2c. Use the information in 2a and 2b to role-play conversations between Jason and Susan. 2d. Role-play the conversation. Interviewer: Jason and Susan, what are your ideas for solving these problems Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost ... ...