人教版高中英语选修六Unit-4--Reading (2).ppt

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1、人教版高中英语选修六Unit-4-Reading返回返回返回返回返回返回The earth is becoming warmer and warmer.返回返回Which of the following can cause global warming?ACDE 返回返回高二英语选修高二英语选修6 返回返回返回返回.Listen to the text and sum up the main idea of each paragraph.Para.1Athe cause of the earths becoming warmerPara.2 Bthe consequence of burni

2、ng fossil fuelsPara.3 Cthe increase of carbon dioxidePara.4 Dglobal warming will go onPara.5 Epuzzles about global warming Para.6 Fdifferent attitudes to global warmingPara.7 G.an introduction to the passage 返回返回The structure of the passage List two different attitudes List two different attitudes a

3、mong scientists towards global among scientists towards global warming.warming.1 Illustrate how global warming Illustrate how global warming comes es about.2-5Part 1(para.1)Part 1(para.1)Part 2(para.2-5)Part 2(para.2-5)Part 3(para.6)Part 3(para.6)Part 4(para.7)Part 4(para.7)An introduction of the pa

4、ssage An introduction of the passagePuzzles about global warming.Puzzles about global warming.返回返回返回返回Part 1:Para 11.Who wrote the magazine article?2.What is the name of the magazine?Earth Care.Sophie ArmstrongListen,read and think返回返回Part 2:Para 2-5Listen,read and think1.What is Graph 1 about?2.How

5、 has the global warming come about?Graph 1 shows the temperature _from _ to _.is increasing18602000It is _ _ that has caused this global warming.human activity返回返回3.Greenhouse gases include _ .A.water vapor B.natural gas C.carbon dioxide D.methane E.fossil fuels.A C DPart 2:Para 2-5Listen,read and t

6、hink返回返回 4.Read and fill in the blanks.heatsunwarmListen,read and thinkPart 2:Para2-5Greenhouse effect happens when gases trap _ from the _ and therefore _ the earth.返回返回Part 2:Para 2-5(1)The levels of CO have increased greatly over the past 150 years.(2)Graph 2 shows CO content in the atmasphere,19

7、57-1997.(3)Most scientists accept the data made by Charles Keeling.(4)The amount of warming could be as high as 1 degree.5.Do“T”or“F”exercise:100-150FFFTAll5 degrees22Listen,read and think返回返回Part 3:Para.6 The different ideas between Dr.Janice Foster&George Hambley.Dr.Janice FosterGeorge HambleyCarb

8、on 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 en-courage _.go upcatastrophevery seriouspositiveproducea greater range of animals返回返回The author probably agrees that_.A.actually gl

9、obal warming is good for human.B.catastrophes will happen eventually due to global warming.C.a lot remains to be found out about the effects of global warmingPart 4:Para 7Listen,read and think返回返回返回返回Fill in the blanks according to the text.Many scientists like Dr Janice foster believe that people h

10、ave caused the increase in the earths temperature by _(burn)fossil fuels like coal,natural gas and oil to produce energy whose byproducts _(call)“greenhouse”gas,the most important one being carbon dioxide.These gases trap heat _ the sun and therefore warm the earth,without _ the earth _(be)about thi

11、rty-three degree Celsius cooler than it is.burningare calledfromwhichwould be返回返回 But an increased amount of carbon dioxide _(mean)that more heat energy tends to be trapped in the atmosphere _(cause)the global temperature to go up.On _ other hand,scientists like George Hambly predict that any warmin

12、g will be mild with few bad _(environment)consequences.In fact,more carbon dioxide is _(actual)a positive thing.meanscausingtheenvironmentalactually返回返回 What should we do to What should we do to stop global warming?stop global warming?返回返回.Try to reduce the use of motor vehicles返回返回bikerunning返回返回Planting treesCleaning the Cleaning the rubbishrubbish返回返回Assignment1.Write an argumentation titled“Environment Protection”based on the viewpoints in the text and yours.2.Preview the language points in the text and find out your difficult points.返回返回Lets make this world a better place!谢谢