人教版九年级英语unit13-sectiona.ppt

If you drink a can of cola. What do you do? I throw away cans. I recycle cans. You throw away the cans. That’s bad for the Earth. You recycle the cans. That’s good for the Earth. 第十六页，共43页。 There are a lot of old newspapers at your home. What do you do? I throw the old newspapers away. I recycle the old newspapers. You waste paper.That’s bad for the Earth. You save paper. That’s good for the Earth.. 第十七页，共43页。 You go shopping. What do you do? I use a lot of new plastic bags. I use my own bag. You use a lot of new plastic bags. That’s bad for the earth. You use your own bag. That’s good for the Earth. 第十八页，共43页。 When you write on a piece of paper, what do you do? I write on one side only. I write on both sides. You use paper on both sides. That’s good for the Earth. You use paper on one side only. That’s bad for the Earth. 第十九页，共43页。 Discussion 1. _________ the lights when you leave a room. 2.Take public transportation,such as ______ _____, _______________. 3.Stop using ________ _____or______ ___________ 4.____________books and paper. 5.___________________________. 6.____________________________. Turn off by bus shared-bike plastic bags disposable dishware Recycle Plant more trees. Save the water,don't waste any water. What should we do to save the earth? 第二十页，共43页。 2d Read 2d and complete the chart. Problems Solving problems air pollution waste pollution rubbish take the bus, subway or ride a bike instead of driving 1.bring a bag to go shopping, 2.never take wooden chopsticks or plastic forks throw rubbish in the bins 第二十一页，共43页。 1.解决 2.减少 3.代替+ing 4.好处 5.cost花费,主语是物 6.垃圾污染 7.开始做某事，事情已经(yǐ jing)开始做了. 8.外卖 9.记得做某事，动作未发生 10.产生影响或作用 11.引领 第二十二页，共43页。 第二十三页，共43页。 shark fin cruel harmful be harmful to at the top of chain the food chain ecosystem industry law scientific [?ɑ:rk] n.鲨鱼; 坑蒙拐骗的人 [f?n] n.鱼鳍 [?kru?l] adj.残酷的，残忍的 [?hɑ:rmfl] adj. 有害的; 对...有害的 在...顶部 [t?e?n] n.链子(liàn zi)，链条 食物链 [?i:k??s?st?m]n.生态系统 [??nd?s