Unit2theenvironment--Welcometotheunit课件(牛津模块必修5)

1、Unit 2 The environmentWelcome to the unit When we talk about the environment, what will come to your mind? The environmentCan you name some of the environmental problems you know? tsunami earthquake flood, volcano forest fire acid rain the greenhouse effect sandstorm water pollution air pollution no

2、ise pollution desertification overpopulation Environmental problemsDescription(example)CausesResultsMeasuresair pollutionchopping down treesforest firesandstormwater pollutionrubbishtsunamiDescription: Cause:Result:Measures:Have you ever seen a factory like this? How do you think the smoke will affe

3、ct you?Compared to the economic benefits a factory can bring to a neighborhood, how important is environmental protection? Why?Description: Cause:Result:Measures:What will happen if we continue chopping down so many trees?What can we do to prevent this form happening?Description: Cause:Result:Measur

4、es:All the fish in a fish pond are killed by the poisonous waste and polluted water poured from the factory nearby. What do you think of the phenomenon? If you were in charge of the factory, how would you deal with it?Description: Cause:Result:Measures:How do you feel when you see piles of rubbish l

5、ike this?In our daily life, how do people deal with everyday rubbish?Is possible for us to classify rubbish as recyclable or that cannot be recycled?Disaster strikes South-east AsiaDisaster strikes South-east Asiadrinking waterhospitalsthe biggest problem illnessName: tsunamiTime: Dec.26, 2004 Count

6、ries: 12Deaths: .200,000ThailandIndonesiaSri Lankainformationresultscausedfarmersfishermenhelp solutionsConclusionIt was human beings that Human beings should be _.It is education that can help peopledestroyed our environment.polluted the air and water.cut down lots of trees.went against nature.star

7、ted war.well educatedbuild a better society in harmony with nature.wipe out the poverty.develop the world without damaging the environment.put an end to the death and suffering caused by the big three.TopicsAs a citizen of the earth, what can we do to protect the environment in our daily life?2. Wux

8、i, our hometown, is developing fast. At the same time, we are faced with a lot of environmental problems. Can you think out some and how can we solve them?Homework1. Preview Reading. 2. Review words and expressions. 3. Prepare for the debate and the poster making. 4. Visit the following website: .au/scien