Unit 8 Section A(1a-1c)课件 2024-2025学年鲁教版(五四学制)（2012）九年级英语全册

Lead-in Section A(1a-1c) Unit 8 We're trying to save the earth! 教学重点、难点:培养学生观察、分析、总结的能力; 培养学生听说的能力。 The earth has been polluted. What kind of pollution do you know ? 1 What kind of pollution is this? 2 What caused the air pollution mainly? 4 How can we stop air pollution? Air pollution. Human activities. Factories are pouring smoke into the sky.There are too many cars.Farmers are burning straw. We should ask the government to close down the factories. We should try not to drive cars . We should take a bus or a subway instead. 3 What is the influence of air pollution? People will get ill easily. work in group: 1 What kind of pollution is this? Water pollution. 2 What caused the water pollution? Factories are pouring dirty water and people throw rubbish everywhere. 4 How can we stop it? We should ask the government to stop the factories pouring waste water.We should not throw rubbish everywhere. 3 What is the influence of water pollution? We don't have enough clean water for farming or drinking.There are no more fish to catch. work in group: water pollution air pollution noise pollution land pollution Listen and complete the sentences. really dirty rubbish fish litter waste government close down clean up 1b used to 1c Role-play the conversation. Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark: Yes, but people are littering in the river. Tony: Everyone in this town should play a part in cleaning it up! play a part in sth/doing sth 对...起作用、参与 你应该参与捡拾垃圾的活动。 You should play a part in picking up rubbish. pick up rubbish Summary: Water pollution the reason solutions the influence The factories are pouring dirty water. People are throwing rubbish everywhere. The river is polluted. There are no fish to catch. We don't have enough clean water for drinking or farming. We should ask the government to stop factories pouring waste water. We should ask people not to throw rubbish everywhere.If everyone plays a part in it ,our world would be better. What could we do to stop air pollution? Firstly , we should ask the government to close down these factories. Secondly, we should try not to drive. We should take a bus or a subway. If everyone plays a part in it , our world will become better and better. We only have one earth! Let's play a part in loving and saving it! Homework: 1 To make a conversation in pair. 2 To try to write a composition about different kinds of pollution. Lavf57.62.100 Multimedia Cloud Transcode (cloud.baidu.com) Content Adaptive Encoding 3.0 Multimedia Cloud Transcode (cloud.baidu.com) Content Adaptive Encoding 3.0 www.kjzhan.com , , track 1 2014 64886.777 $$