Unit13（第1课时）.ppt

Section A 第一课时(1a -2d) Unit 13 We’re trying to save the earth. 人教版 九年级下册 To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. serious pollution We are harming our planet in so many ways. 伤害 air pollution soil pollution water pollution Factories pour dangerous gases into the air. Cars also pour dangerous gases into the air. tail gas air pollution! The weather is always foggy. We can’t see the blue sky. We can’t breathe the fresh air. Do you know why? Factories produce too much dangerous smoke. The traffic produces too many fumes.[fju:mz]烟 Some people smoke in public places. noise pullotion air pollution water pollution cars, factories, smoking, building houses(burning, power plants, nuclear waste disposal) Loud music, planes, building houses, mobile phones(machines, crowds, vihicles) rubbish, littering, ships, factories(sewage, industrial waste, pesticides) Listen and complete the sentences. 1b what was the problem? The river was _________. even the bottom of the river was full of ________. there were no more _____ for fishmen to catch. really dirty rubbish fish 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. litter waste government close down clean up Help save the earth We must think of better way to treat our planet in future. A. land pollution B. air pollution C. noise pollution D. water pollution 2a Listen to the interview. Circle the Kinds of pollution that Jason and Susan talk about. 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____