Unit 13 Section A 1a-2b 课件2023-2024学年人教版九年级英语全册

Unit 13 We're trying to save the earth! Environmental protection Topic: Protecting the environment. Function: Talk about pollution and environmental protection. Target language： We are trying to save the earth. The river used to be so clean. The air is badly polluted. Environmentalpollution How many kinds of pollution do you know about? What are they? Unit 13 We're trying to save the earth! 1a-2b We are supposed to take action right now!. The sky used to be blue and clean. We used to be able to see the stars at night . But now , it is really dirty and ugly. air pollution The factories that burn coal polluted the air with a lot of black smoke. n. 煤炭 What caused …? Factories pour dangerous gases into the air. Smoking produces too much harmful smog. It is harmful for the people around you. air pollution What caused …? The air is badly polluted because there are more cars on the road these days. tail gas air pollution What caused …? The air is badly polluted. There are more cars on the road these days. People are throwing litter into the river. Factories are putting waste into the river immediately. water pollution What caused …? The river is badly polluted. Look, the river was dirty! Even the bottom of the river was full of rubbish.! I used to be so clean/ People are throwing litter into the river. The river is badly polluted. The river was dirty/badly polluted. Even the bottom (底部) of the river was full of rubbish. There were no more fish for fishermen (渔民) to catch. The river used to be clean. We used to see the fish in the river. But now , it is really dirty and ugly. The fisherman can hardly catch a fish. How should it be solved? Government should close down the factories that polluted the environment. We should write to the government ask them to close down. everyone should help to clean up the river. Factories throw away waste/rubbish/litter . litter n. 垃圾(不可数） v. 乱扔 rubbish 垃圾， waste 废弃物 People should throw litter into the bins.