Unit 4 Global warming Reading 课件-高中英语人教新课标选修六.pptx

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1、GLOBAL WARMINGGLOBAL WARMINGMake a list of the things that consume energy in your home,school,or any other places you can think?Make a list of as many sources of energy as you can?Wind energy is used as power to produce electricity.The coal power station,where electricity is produced by burning coal

2、s.Make a list of as many sources of energy as you can?The Oil Refineries,in which oil is refined and made pure.A nuclear power plant,a facility designed to change nuclear energy into electricity.Make a list of as many sources of energy as you can?Solar panels,used to collect solar energy.The Hydro-e

3、lectric dams,used to keep back water and raise its level for irrigation or for producing electricity,etc.What are the renewable and non-renewable resources according to the textbook?Renewable resources:Non-renewable resources:Renewable resources are those whose supplies of them never run out.Non-ren

4、ewable resources are those whose supplies of them will run out one day.Pre-readingGREENHOUSEA greenhouse is made of glass and is used for growing plants,especially during cold weather.Pre-readingHOW DOES A GREENHOUSE WORK?Pre-readingGREENHOUSE GASES甲甲甲甲烷烷一氧化二氮一氧化二氮一氧化二氮一氧化二氮二氧化碳二氧化碳二氧化碳二氧化碳臭氧臭氧臭氧臭氧氟

5、利昂氟利昂氟利昂氟利昂一氧化碳一氧化碳一氧化碳一氧化碳二氧化硫二氧化硫二氧化硫二氧化硫Pre-readingGREENHOUSE EFFECTREADINGREADINGThe Earth Is Becoming Warmer But Does It Matter?Skim the article and answer these questions.Sophie Armstrong wrote the magazine article.The name of the magazine is“Earth care”.2.What are the names of the three scien

6、tists mentioned in the article?They are Dr.Janice Foster,Charles Keeling and George Hambley.1.Who wrote the magazine article?What is the name of the magazine?READINGREADING3.What do they think about global warming?Do they agree with one another?There are some very different attitudes among scientist

7、s towards this issue.Some think the effects will be terrible,while some others believe that we should not worry about it.READINGREADING4.What are the two graphs about?Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000.Graph 2 shows the carbon dioxide content in the

8、atmosphere from 1957 to 1997.Graph 1:Graph 2:READINGREADING1.The temperature last century didnt increase much.2.Everyone believes that global warming is caused by the activities of humans.3.Janice Foster believes that she can measure the future global rise in temperature.4.The rise in carbon dioxide

9、 is causing a steady increase in global warming.5.George Hambley believes that global warming will do good rather than harm to the earth.6.It is clear what the effects of global warming will be.Read the article carefully.Tell true or false.TTFTTFREADINGREADING1.Who found out the amount of carbon dio

10、xide in the atmosphere from 1957 to 1977?A.Dr.Janice Foster.B.Charles Keeling.C.George Hambley.D.Sophie Armstrong.2.But there are some very different attitudes among scientists towards this issue.”“issue here means the same as the one in_.A.I bought the new stamp the day of its issue.B.They are talk

11、ing about one of the key issues in the election campaign.C.The government is expected to issue a statement about the election.D.The magazine has 12 issues each year.3.The author probably agrees that _ A.actually global warming is good for man.B.we should do nothing about the global warming.C.catastr

12、ophes will happen if the globe keeps on warming.D.a lot remains to be found out about the effects of global warming.READINGREADINGQuestionnaires-I1.Does Sophie Armstrong support a clear opinion?2.Does George Hambley believe that we should worry much about the global warming?No.he doesnt state it cle

13、arly.No,he doesnt.READINGREADING3.How has the global warming come about?Human activity-burning of fossil fuels.Greenhouse effect-greenhouse gases-we need those gases.Huge quantities of extra carbon dioxide-from 1957 to 1997-from around 315 parts per million to around 370 parts per million.READINGREA

14、DING4.What are the effects of global warming?Encourage a greater range of animals.The sea level to rise.Severe storms,droughts,famines,the spread of diseases,and destruction of species.Make plants grow faster.Crops will produce more.READINGREADING main ideaPart1(para1)Introduce a debate over the iss

15、ue of global warmingPart 2(para2)Part 3(para3-8)Part 4(para9)Illustrate how global warming comes aboutList two different attitudes among scientists towards global warmingIts up to readers to think and decide whether people should do sth about global warming or not 4 partsREADINGREADING1.What is the

16、purpose of the paragraph that is in bold?To introduce the topic.To illustrate(阐述阐述)points by providing evidence.2.What are the diagrams for?Questionnaires-IIIt functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future.3.Wh

17、at is the purpose of the last paragraph of the article?READINGREADINGThe different ideas between Dr.Janice Foster&George Hambley Dr.Janice FosterGeorge HambleyCarbon dioxide has caused the global temperature to _.An increase of five degrees would be a _ and could be _.More carbon dioxide is a _ thing,which makes crops _ and will encourage _.go upgo upcatastrophecatastrophe very serious very seriouspositivepositiveproduceproducea greater range of animalsa greater range of animalsREADINGREADINGREADINGREADINGREADINGREADINGREADINGREADINGREADINGREADING