外研版九年级英语上册课件：M12 Unit 1 If everyone starts to do something, the world will be saved.(共30张PPT).ppt

1、Words and expressionsPollutionPollution is our great enemy,and we have to fight it.Lets watch a video about pollution.Work in pairs.Look at the pictures and talk about them.Use the words in the box to help you.factory pollute recycle wasteListen and complete the sentences.1.The factory is causing a

2、lot of 2._.3.2.There should be some _ to stop 4.the pollution.5.3.We can _ waste products,such 6.as _ and paper in a recycling 7.centre.Listen and read.pollutionrulesrecycleglassfactoryn.制造厂;工厂pollute v.污染recyclev.回收利用,再使用(废品)waste n.废料;废弃物enemyn.敌人;仇人crop n.庄稼;作物killv.杀死;弄死oil n.石油Read the dialogue

3、 and complete the notes.Pollution problems1.If the rivers are polluted,_2._.3.2.In some places,pollution from factories _.farmers cant use them to water their cropsspreads over cities and villages3.The cars on the roads _ _.use so much oil and cause pollution What the students can do 4.Support a gre

4、en school:every class _ which can be _ _.Then the school _ to help students _.collects waste recycled or used againsells the wastein poor areas5.Students learn _ _.That means _.ways to save energy and recycle at homeless wasteIts no use Such as?Nice idea!1.Its no use talking about things we cant do.

5、Its no use doing sth.做某事没有用处e.g.Its no use complaining.抱怨没有用处。Listen,George,its no use living in the past.听着,乔治,活在过去是没有用的。2.Such as.?such as 这个短语常用来表示举例说明。e.g.There are lots of things you could do.有很多你们能做的事。Such as?比如说？3.That means less waste.lessadj.较小的;较少的n.较少数;较少量less 是 little 的比较级,指物体的体积或分量相对于别的

6、物体少。e.g.The firm has less money and fewer staff than last year.公司的资金和人员都比去年少了。4.Though pollution is heavy now,I dont think its hopeless.hopeless adj.无望的e.g.The doctor said the old mans condition was hopeless.医生说这位老人的病是没有希望的了。Complete the passage with the correct form of the words in the box.cause en

7、emy factory kill oil pollute spreadPollution is our great _.Pollution from _ is a danger to our health,and may even _ people.enemyfactorieskillFactories sometimes _ the rivers,and farmers cannot use the water for their crops.Pollution _ over cities and villages,and that _ even more danger.Cars use a

8、 lot of _ and cause pollution too.pollutespreadscausesoilListen and mark the words which the speaker links.1.After our lesson on the environment,2.Im worried about the future.3.2.Students at a green school also learn 4.ways to save energy and recycle at 5.home.Now listen again and repeat.List the pollution problems in your place.Choose one problem and say what should be done about it.The air pollution in our city is getting worse.What can we do to stop it?I think we can ride our bicycles to school more.Write a passage about how to control pollution and how save our earth.