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Section A 1a-1c Unit 13 We’re trying to save the earth! Learning objectives 1. To listen for specific information. 2. To talk about pollution and environmental protection. 3. To learn to use the sentence patterns. used to...but now... should do sth. 自学指导一: Learn the new words. 3’ litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin v.乱扔 n. 垃圾 n. 底部 n. 渔民 n. 煤;煤块(不可数名词) adj. 丑陋的 n. 优点;有利条件 v. 花费 n. 花费;价钱 adj. 木制的 adj. 塑料的 n.塑料 n. 外卖食品 n. 垃圾箱 [ l t (r)] [ b t m] [ f m n] [k l] [ gli] [ d v :nt d ] [k st] [ w dn] [ pl st k] [ te k we ] [b n] disadvantage:缺点 fishermen cost -cost – cost high /low cost :高/低成本 living cost:生活消费 rubbish,garbage,trash dustbin 垃圾箱 自学检测一: Recite the new words. 2’ litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin v.乱扔 n. 垃圾 n. 底部 n. 渔民 n. 煤;煤块 adj. 丑陋的 n. 优点;有利条件 v. 花费 n. 花费;价钱 adj. 木制的 adj. 塑料的 n. 外卖食品 n. 垃圾箱 [ l t (r)] [ b t m] [ f m n] [k l] [ gli] [ d v :nt d ] [k st] [ w dn] [ pl st k] [ te k we ] [b n] take away:带走 take-away:adj.可带走的 What kind of pollution do you know? water pollution 水污染 air pollution 空气污染 light pollution 光污染 noise pollution 噪音污染 land pollution 土地污染 Lead-in: 2' What are the problems? What caused noise pollution? noise pollution Free talk How to solve these problems? can turn off the shower while we are washing hair. To save water, we should recycle books and paper. To save water, we should turn off the light when we leave a room. To save energy, we Practice loud music planes mobile phones building houses factories cars smoking building houses ships factories littering rubbish 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. (really) dirty rubbish fish litter waste g