高中英语unit4globalwarmingpartii学案无答案新人教版选修6

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1、Unit4GlobalWarmingPartII:Reading一、【学习目标】1.掌握文中重点词汇和重难点句。2.了解全球变暖和气候的关系，树立环保意识。二、【自主预习】Step1:Pre-readingAskthestudentstolookatthepictureinPre-readingandanswerthefollowingquestions:1.Whatdoyouseeinthepicture?2.Whatisitusedfor?3.Whataregreenhousegases?Whateffectsdoyouthinkgreenhousegaseshav

2、eontheearth?Step2:SkimmingDividethepassageinto4partsandmatchtheparagraphsandthemainideas.Part1para___topara____DifferentattitudesamongscientiststowardsglobalwarmingPart2para___topara___It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarming.Part3para___topara____H

3、owglobalwarmingcomesaboutPart4para___topara____AgeneralintroductiontoglobalwarmingB.Thepassagemainlyintroducesthe_____________ofglobalwarmingandscientists’different__________towardsit.C.Whereisthispassagetakenfrom?A.atravelguideB.amagazineabouttheenvironmentC.anewspaperaboutpoliticsD.ach

4、ildren’sbookD.Thewriterofthepassageis__________Step3:CarefulreadingA:Readpart1andanswerthefollowingquestions:非常感谢上级领导对我的信任，这次安排我向股份公司述职，既是对我履行职责的监督，也是对我个人的关心和爱护，更是对**百联东方商厦有限公司工作的高度重视和支持。1.Whatisthepurposeofthefirstparagraph?______________________________________2.Whatisthegraphfor?_____

5、_________________________________B:Readpart2andanswerthefollowingquestions:Whatisthecommonlyacceptedreasonfortheincreaseintheearth’stemperature?Whatis“greenhouseeffect”?Decidewhetherthesentencesaretrueornot.①Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()②JaniceFoster

6、believesthatshecanmeasurethefutureglobalincreaseintemperature.()③Theamountofcarbondioxideintheatmospherefrom1957to1997wasmeasuredaccurately.()④Greenhousegasesareharmfultohumanbeingsandweshouldtryourbesttoridtheworldofthem.()C:Readpart3andanswerthefollowingquestions:1.Whatarethedifferenta

7、ttitudestowardsglobalwarming?2.AccordingtosomescientistslikeGeorgeHambley,__________A.globalwarningisadisasterB.therewillbethedisappearanceofspeciesasaresultofhighlevelsofglobalwarming.C.Morecarbondioxidewilldoalotofgood.DHeisworriedabouthighlevelsofcarbondioxideStep4.Pos