高二英语下册_unit_9_对话课件.ppt

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1、Unit 9 Saving the earthLesson 33 DialogueQuestions:1.What makes the water of our rivers dirty?2.What makes the air dirty?damage,waste,pollutionAnswer the questions about the picture:1.What can you see in the picture?2.What do you think they discussed at the conference?A girl and a boy dirty air and

2、smokepipe,waste waterpollutionReading:1.What subjects does the conference deal with?2.Why was the conference called“Saving the earth”?3.What causes damage to the earth.Find in the text.4.What will happen if we do not pay attention to the problems of population and pollution?Pollution and populationI

3、t was all about the damage that is being caused to the worldpeoples habitsa.The world wont be fit for us to live in.b.Only standing room left for us next century.Language points1.If we go on polluting the world,it wont be fit for us to live in.a.go on doing sth.b.be fit(adj.)for/be fit to do sth.适合E

4、g.The manager is fit for his position.This kind of fish is not fit to eat.He is so weak and 不适合干这项工作./go on with sth.isnt fit for/to do the work.2.Weve got to do something about pollution.have got to do sth（口语）:have to do sth.你们在英语课上必须说英语吗？Have you got to say English in your English class?(Do you ha

5、ve to?)3.What else did you hear about at the meeting?a.疑问词/不定代词+else(adj.:另外的）(what,who,where/some(any,no)thing(body)Who else want to go with me?还有什么我可以帮你做的吗？-Is there anything else(that)I can do for you?谢谢。没什么了。-Nothing else.Thank you.b.hear about:听说 我听说了车祸，但没有亲眼看见。hear of/that4.If the population k

6、eeps growing so quickly,there will only be standing room left for us next century.a.keep doing sth.:go on doing sth./continue to do sth.如果这家工厂继续污染这条河，那么我们就不会有鱼吃了。If the factory keeps polluting the river,there will be no fish left for us to eat.b.room(U)n.空间,空余的地方 standing room 立足的地方There is only sta

7、nding room in the bus.(=The bus is crowded.)大厅里容不下这么多人。(There is for)I heard about the accident,but I didnt see it myself.Discussion:Talk about possible changes like this:If we go on polluting the world,it wont be fit for us to live in.Ifcatch all the small fishkill wild animalshave large familiescut down forestspollute the riversResultno fish left in the seasnone left for us to studynot much room leftturn the land into a desertkill all the fishHomework:Finish off Ex.2 on P.113.Practice:WB.Ex.3 on P.113.