Unit13 Section A 1a-1c课件2023-2024学年人教版九年级英语全册

Section A 1a-1c Unit 13 We are trying to save the earth. 1.通过图片和师生问答，能够掌握并熟练运用跟污染相关的词汇与短语：air pollution, water pollution, throw litter into the river等。 2.通过小组合作及听力训练，能运用情态动词及现在进行时态谈论噪音污染，空气污染，水污染的产生因素及解决措施。 Learning goals Let’s enjoy a song. What’s wrong with our earth? Many trees are cut down so animals are losing their homes. Wild animals are killed. Our earth is more polluted. Earth Day On April 22. Lead in : What kind of pollution do you know ? water pollution 水污染 noise pollution air pollution land pollution What caused the problem? water pollution People throw litter/rubbish into the river . Some factories put the waste water into the river. What caused the problem? noise pollution Loud music and building houses cause the noise pollution. What caused the problem? air pollution The factories burn coal to pollute the air with black smoke. More and more cars put the waste into the air. 1a loud music cars rubbish planes littering ships factories smoking building houses mobile phones Self-study 1 1mins Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones building houses machines/ factories smoking cars burning ships rubbish littering industrial waste … Is the river clean? What can you see in the river? No, it is very dirty. I can see much rubbish in the river. 2. Do you think there are fish in the river? No, there aren’t. 3. What can we do to help solve the problem? We can help clean up the river. pre-listening 1b: Listen and complete the sentences. 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 th