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时间:2019-11-13
《2019-2020年高中英语Unit4GlobalwarmingPartII学案新人教版选修》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2019-2020年高中英语Unit4GlobalwarmingPartII学案新人教版选修一、【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?Whateffectsdoyout
2、hinkgreenhousegaseshaveontheearth?Step2:SkimmingDividethepassageinto4partsandmatchtheparagraphsandthemainideas.Part1para___topara____DifferentattitudesamongscientiststowardsglobalwarmingPart2para___topara___It’suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalw
3、arming.Part3para___topara____HowglobalwarmingesaboutPart4para___topara____AgeneralintroductiontoglobalwarmingB.Thepassagemainlyintroducesthe_____________ofglobalwarmingandscientists’different__________towardsit.C.Whereisthispassagetakenfrom?A.atravelguideB.amagazineabouttheenviro
4、nmentC.anewspaperaboutpoliticsD.achildren’sbookD.Thewriterofthepassageis__________Step3:CarefulreadingA:Readpart1andanswerthefollowingquestions:1.Whatisthepurposeofthefirstparagraph?______________________________________2.Whatisthegraphfor?______________________________________B:
5、Readpart2andanswerthefollowingquestions:Whatisthemonlyacceptedreasonfortheincreaseintheearth’stemperature?Whatis“greenhouseeffect”?Decidewhetherthesentencesaretrueornot.①Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()②JaniceFosterbelievesthatshecanmeasurethefu
6、tureglobalincreaseintemperature.()③Theamountofcarbondioxideintheatmospherefrom1957to1997wasmeasuredaccurately.()④Greenhousegasesareharmfultohumanbeingsandweshouldtryourbesttoridtheworldofthem.()C:Readpart3andanswerthefollowingquestions:1.Whatarethedifferentattitudestowardsglobalw
7、arming?2.AccordingtosomescientistslikeGeorgeHambley,__________A.globalwarningisadisasterB.therewillbethedisappearanceofspeciesasaresultofhighlevelsofglobalwarming.C.Morecarbondioxidewilldoalotofgood.DHeisworriedabouthighlevelsofcarbondioxideStep4.Post-reading1.Whataresomeofthewri
8、tingtechniquesareusedinthepassage?①givin
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