2019-2020年高中英语Unit4Period2导学案新人教版选修6.DOC

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1、2019-2020年高中英语《Unit4Period2》导学案新人教版选修6【学习目标】：1.学会用已学词汇表达自己观点，讨论环境方面问题，提高英语表达能力2.通过阅读篇章，了解全球变暖的原因和环境污染相关问题【自主学习】：Ⅰ.速读课文，回答下面的问题1.Whatismainlydiscussedinthetext?A.Carbondioxide.B.WatervapourC.Gasesintheatmosphere.D.Temperatureincrease2.Sumupthemainideaofeachpartandth

2、ewritingskillsthewriterusesinthetext.（精英）Part1(Para1):Skills:Part2(Para2-3):Skills:Part3(Para4-8):Skills:Part4(Para9):Skills:Ⅱ.精读课文，回答下列问题1.Accordingtothetext,whichofthefollowingstatementsisnottrue?A.Carbondioxideisabyproductoftheburningoffossilfuels.B.Allthescient

3、istsagreethattheburningofmoreandmorefossilfuelsleadstotheincreaseofcarbondioxide.C.Ifwestopaddingcarbondioxideandothergreenhousegasesfromnowon,thetemperaturewillstopgoingup.D.Itisstillnotclearwhattheeffectsofglobalwarmingwillbe.2.GeorgeHambleythinksthatmorecarbondi

4、oxide________.A.mayleadtoacatastrophe.B.Willdogoodratherthanharmtotheearth.C.Willcausethespreadofdisease.D.Willencourageagreaterrangeofanimals,thusthreateninghumanbeings.3.Byaskingthetwoquestionsattheendofthearticle,thewriterimpliesthat______A.wecandonothingaboutgl

5、obalwarming.B.globalwarmingiscausedbyhumanbeings.C.weshouldnotbetooworriedaboutglobalwarming.D.humanbeingsstillhavemoreworriesabouttheeffectsofglobalwarming.4．TrueorFalse1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingisc

6、ausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffects

7、ofglobalwarmingwillbe.【问题探究】DiscussionWhatwillhappenifwedonothingaboutglobalwarming?Youwillbedividedintotwogroups,andhaveadebate.第二课时：DPartone(para1)Introduceadebateovertheissueofglobalwarming.Skills:RaisingaquestionParttwo(para2-3)Illustrate(explain)howglobalwarmi

8、ngesabout.Skills:givingexamples,usinggraphs,explanationPartthree(para4-8)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Skills:givi