单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,高中英语课件,（金戈铁骑 整理制作）,高中英语课件（金戈铁骑 整理制作）,Unit 4,Sanya No.4 Middle School,Longzhu Xiao,Unit 4Sanya No.4 Middle Schoo,60,60,The Earth Is Becoming,Warmer,-But Does It Matter?,Reading,The Earth,Warmer,Global,Warming,The Earth Is Becoming WarmerRe,Scanning,Graph 1,Temperature _ from long-term average.,Dr Janice Foster,_:“There is a natural,go up”,_ that any,trend in which the,George Hambley,_,“More carbon,better.”,difference,explains,thinks,states,Phenomenon,Reasons,Attitudes,Conclusion,Global,warming,Scanning Graph 1Temperature _,Careful Reading,Phenomenon:,Read Para.1 and 2,rose about 1,1860-2000,the temperature of the earth,There is no doubt that,(see Graph 1)and,Q:What does Graph 1 tell?,Careful ReadingPhenomenon:Rea,Global warming,Phenomenon,Reasons?,warmer,Global warmingPhenomenonReason,The burning of,_,_,fossil,fuels,_,gases,greenhouse,Advantage,Dis-advantage,_ the greenhouse effect,the earth would be about,_ _than it is.,Without,33 cooler,More heat energy tends to be trapped in the atmosphere causing the global temperature to _.,go up,Huge quantities of CO,2,?,How much?,Reasons:,Read Para.3 5.,(result in),The burning offossil_,around 315 parts,How high?,could be as low as _.,could be as high as _.,1 to 1.5 degrees Celsius,5 degrees,1957-2000,carbon dioxide,around 370 parts,Charles Keeling,around 315 partsHow high?could,Global warming,Phenomenon,Reasons,warmer,burning,greenhouse effect,advantage,disadvantage,The rise of temperature:effect?,Attitudes?,scientists,Global warmingPhenomenonReason,Attitudes:,Read(Para.6),Who,Dr Janice,Foster,George,Hambley,Attitudes,Supporting details,a c_,/very serious,catastrophe,sea level to rise/severe storms/droughts/floods/famines/the spread of diseases/disappearance of species,_ with few bad environmental _,make plants grow quicker/crops will produce more/a greater range of animals/make life better,mild,consequences,On the one hand,On the other hand,Harmful,Positive,Attitudes:Read(Para.6)Who,Global warming,Phenomenon,Reasons,Attitudes,Conclusion,warmer,burning,greenhouse effect,advantage,disadvantage,harmful,positive,catastrophe,mild,better,authors opinion?,Your opinion?,Global warmingPhenomenonReason,Conclusion and discussion:,Read Para.7,S1:I,subscribe to,(agree with),Dr.Fosters point of view.,On the one,hand,.,On the other hand,.,S2:Im afraid I disagree with you.(Im afraid not./I dont think so.,/I doubt,),Q1:Whom do you agree with?Why?,Q2:Does that mean we should do nothing?,Even if,the climate is going to,keep on,warming,Conclusion and discussion:Rea,Work in groups,discuss and write a short passage about 50 words based on your discussion to tell:,1.Different attitudes towards global warming;,2.Your attitudes and your opinions of what we should do.,Writing,There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming._,_,Work in groups,discuss and wr,Summary,Global warming,phenomenon,reasons,attitudes,conclusion,warmer,burning,greenhouse effect,advantage,disadvantage,harmful,positive,catastrophe,mild,better,authors opinion,your own thinking,Summary Global warmingphenomen,Homework,1.Polish your writing.,2.Read the article recite the important words and,expressions of the unit.,For further information,please surf the internet.,http:/www.energyquest.ca.gov,http:/www.epa.gov/globalwarming/kids,http:/www.altenergy.org,http:/www.planetark.org,Homework1.Polish your writing,Thank You!,Love our home,Love life!,Thank You!Love our home,