(课件网) Unit 13 We're trying to save the earth! Section A 1a-2d What leaves the deepest impression(印象)on you Why has our earth changed a lot What kind of pollution do you know Water pollution What causes water pollution What will happen if water is polluted put waste into the river throw litter into the river shipping What will happen if water is polluted Humans will get sick. Kill or do harm to animals. Air pollution What causes air pollution What will happen if the air is polluted burn coal cars on the road/ vehicle emissions Land pollution What causes land pollution landfill 填埋场 What will happen if our land is polluted Noise pollution What causes noise pollution What will happen if there is too much noise It's really important and extremely urgent to protect our earth! What should we do to reduce(减少）the pollution water pollution land pollution air pollution noise pollution Problems: 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. Let’s listen and fill in the blanks. 1b really dirty adj. n. rubbish n. fish n. litter n. waste n. government v. close down v. clean up Reasons: Solutions: Key phrases重点短语 1.扔垃圾到河里面 2.向河里排放废弃物 3.关闭工厂 4.清理河道 5.塑料袋 6.一次性筷子 7.塑料碗 7.公共公园 8.乱扔垃圾 9.烧煤 10.把......变成...... 11.全是垃圾 12.为......出力/扮演......角色 throw litter into the river put waste into the river close down factories clean up the river plastic bags wooden chopsticks plastic bowls public parks litter in/throw away rubbish burn coal turn ...into... be full of rubbish play a part/role in doing sth Listen and circle the pollutions they talk about. A. land pollution B. air pollution C. noise pollution D. water pollution 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. What things are people throwing away every day cars pollute are throwing public places What's the relationship between speakers A. teachers and students B. classmates C. interviewee and interviewer What are they going to talk about next Role-play the conversation. 2d advantage n.优点；有利条件 （反）disadvantage 缺点 减少，砍倒 How many solutions do they provide What are they make a difference to对...有作用或影响 外卖食物 All the small things can add up and become bigs things that would improve the environment! Let’s talk. How can we save the earth Alan waste pollution We should _____ W ... ...
