1、Unit 13 Were trying to save the earth. 人教版九年级英语 自主预习案 1.垃圾 2.底部 3.渔民 4.煤炭 5.丑陋的 一、四会单词 litter bottom fisherman coal ugly 自主预习案 6.优点 7.花费 8.木制的 9.塑料的 一、四会单词 advantage cost wooden plastic 自主预习案 1.打扫；清洁 2.过去 (经常 ) 3.减少；砍倒 4.（对 ）产生影响和作用 二、重点短语 clean up used to cut down make a difference (to) What kinds
2、of pollution do you think it is？ Ss: I think it is . noise pollution air pollution water pollution 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. cars factories smoking building houses loud music planes building houses mobile phones
3、rubbish littering ships factories 1b Listen and complete the sentences. really dirty 播放视频 清除视频 rubbish fish litter waste government close down clean up 1c Role-play the conversation. Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark:
4、Yes, but people are littering in the river. Tony: Everyone in this town should play a part in cleaning it up! 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution 2b Listen again and comple
5、te the sentences. more cars 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 away every day. 4. People are also littering in_ like parks. This turns beautiful parks into ugly ones. polluteare throwing away public places
