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2019-2020年高中英语
4.2Globalwarmingreading导学案1新人教版选修6学习目标
1、理解课文内容,了解气候变暖的原因和结果等
2、结合上下文语境,感知、体验、重点句子
3、让学生对全球气候变暖有更多的了解学法指导
1、自主学习课文,完成预习案中的练习2以课文为载体在阅读中充分利用各种阅读技巧以提高自己的阅读能力预习案
1、话题阅读ShortandlongtermeffectsofGlobalWarming全球变暖的短期及长期影响Climatechange:Effectsofglobalwarmingarecausingthetemperatureoftheearthtoslowlyrisecausingmassive大量的;大规模的)globalchangestoournaturalenvironment.Risingseelevel海平面)Effectsofglobalwarmingarerapidlymelting融化)glaciers冰川)aroundtheglobecausingarisingsealevelandpossiblycoastalflooding洪水)andotherweatherproblemsinthefuture.Ecosystem生态系统)changesEffectsofglobalwarmingarechangingcertainecosystemsthroughoutduetotemperaturechanges.Animalsandplantsarebeingforcedtoadaptto适应)thisandasaresultaredyingoffBreakdownoftheozonelayer臭氧层)Effectsofglobalwarmingarecreatingholesintheozonelayerprimarily首要地、起初地)fromhumanuseofproductsthatemit发出、放射)poisonouschemicals.TheozonelayerabsorbsUVradiation紫外线)fromthesun.Theholesarecausingamountspoisonouschemicalpresentinourbreathingairtoincreaseatarapidrate.Questions:Whataretheeffectsofglobalwarming______________________________________________探究案
一、Readthetextandthenmatchthemainideaofeachparagraph.Part1para.1A.TolisttwodifferentattitudesamongscientiststowardsglobalwarmingPart2para.2-5B.Tointroduceadebate辩论)overtheissueofglobalwarmingPart3para.6C.ToexplainhowglobalwarmingesaboutPart4para.7D.It`suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarming写作方式Part1para.1Givingexamplesusinggraphsexplanation.Part2para.2-5RaisingaquestionPart3para.6UsingaquestionleavingreaderstothinkovertheissuePart4para.7Givingexamplesmakingcontrast.二.Readthetextanddothefollowingexercises
1.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977A.DrJaniceFosterB.CharlesKeelingC.GeorgeHambleyD.SophieArmstrong
2.WhatmaybethebadeffectsofglobalwarmingaccordingtothepassageA.Theremaybeariseofseveralmetresinthesealevel.B.Theremaybeseverestormsfloodsdroughtsfaminesorthespreadofdiseases.C.Theremaybethedisappearanceofspecies.D.Alltheabove
3.Theauthorprobablyagreesthat__________.A.actuallyglobalwarmingisgoodforhumanbeings.B.weshoulddonothingabouttheglobalwarmingC.catastropheseillhappeniftheglobekeepsonwarmingD.alotremainstobefoundoutabouttheeffectsofglobalwarming
4.WhichofthestatementsistrueA.NaturalgasisgreenhousegasB.CarbondioxideisabyproductofburningfossilfuelsC.WearesureoftheeffectsofglobalwarmingnowD.DrJaniceFosterbelievesthatglobalwarmingwilldogoodratherthanharmtotheearth
5.Thisarticleisfrom_________.A.anenvironmentalmagazineB.adiaryC.anovelD.story三.Readthearticlecarefully.Arethesestatementstrueorfalse
1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.
2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.
3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.
4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.
5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.
6.Itisclearwhattheeffectsofglobalwarmingwillbe.训练案Answerthequestions.
1.WhowrotethemagazinearticleWhatisthenameofthemagazine
2.Whatarethenamesofthethreescientistsmentionedinthearticle3WhatdotheythinkaboutglobalwarmingDotheyagreewithoneanother
4.Whatarethegraphabout
5.Whatisthemaintopicofthearticle。