Module 12 Save our world.Unit 1 If everyone starts to do something, the world will be saved.课件

课件34张PPT。Unit 1Save our worldModule 12 If everyone starts to do something, the world will be saved.课文呈现知识讲解…………Module 12 Unit 1课堂导入12课堂小结课堂练习课后作业…What can we see from the pictures?1listening and vocabulary Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you. factory　pollute?　recycle?　waste知识点1pollute/p?'lu?t/ vt.污染；弄脏；玷污； 败坏 (品德等)eg：The river has been polluted by waste products from the factory. 这条河已经被工厂排放的废料污染。 The violent films pollute the minds of the young people. 暴力电影毒害着年轻人的思想。典例我们应该采取措施治理污染。 We should take measures to deal with _____. pollution辨析：pollute, pollution与polluted考向 知识点2recycle/ri?'sa?kl/ v.回收利用，再使用(废品)考向前缀re-表示“重复，再”，常见带前缀re-的单词还有rewrite(重写)，repeat(重说)，rebuild(重建)等。eg：Denmark recycles nearly 85% of its paper. 丹麦的纸张回收率近85%。2Listen and complete the sentences.1．The factory is causing a lot of _____. 2．There should be some _____to stop the pollution. 3．We can _____ waste? products, such as_____ and paper in a recycling centre.pollutionrulesrecycleglassMr Jackson: Can anyone tell me what you can see in the first photo? Betty: There’s a factory, and it’s causing a lot of pollution. Mr Jackson: Correct. So what can we do about it? Tony: Well, there should be some rules to stop the pollution. Mr Jackson: What about the second photo?听力材料Daming: It’s a recycling centre. Waste products such as glass and paper can be recycled there. Mr Jackson: Good. Why do we need to do that? Lingling: To save energy, I guess. Mr Jackson: Great! 知识点3waste/we?st/ n. 废物；浪费waste作动词，多是及物动词，意为“浪费；滥用”，用于waste ...on ...或waste...(in) doing sth.。考向一 eg：They are working hard to turn waste into useful materials. 他们正努力工作把废物变成有用的材料。考向二 waste作形容词，意为“废弃的，荒芜的”。 eg：We should recycle waste paper. 我们应该回收利用废纸。eg：She always wastes her time (in) watching TV. 她总是把时间浪费在看电视上。考向三 waste作名词，意为“白费”。 eg：It's a waste of time to look for the plane. 寻找那架飞机是白费时间。拓展wasteful 形容词，“浪费的”的意思。 eg：Throwing away waste paper is wasteful. 扔掉废纸是浪费的。3Listen and read.Lingling: After our lesson on the environment, I'm worried about the future. Pollution is our great enemy, and we have to fight it. If the rivers are polluted, farmers can't use the water for their crops. Tony: And in some places, pollution from factories spreads over cities and villages. It makes people ill, and may even kill them. Pollution is a danger to our health. Betty: And there are so many cars on the roads. They use so much oil and cause pollution as well.Daming: But we're only students. We can't do anything about factories and cars. Betty: It's no use talking about things we can't do.? We've got to think of things we can do! Daming: Such as...? Lingling: Do you think we ... ...