人教版高二英语选修6《unit4globalwarmingwarming》导学案

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1、Book6Unit4Globalwarming导学案(PeriodOne:Reading)课前案Skimthetextandfinishthefollowinginformation.1.What'sthemaintopicofthepassage?Themaintopicofthepassageisabout.2.Whowrotethemagazinearticle?Whatisthenameofthemagazine?wrotethemagazinearticle;thenameofthemagazineis3.Whatarethenamesofthethreescienti

2、stsmentionedinthearticle?Thenamesofthethreescientistsmentionedinthearticleare,,and■Dotheyagreewithoneanother?.4.Thepassagecanbedividedintothreesections,matchthemwiththemainideaofeachsection.Part1.(1)Part2.(2-5)Part3.(6)Part4.(7)A.HowglobalwarmingcomesaboutB.Listtwodifferentattitudestowardsglo

3、balwanningC.IntroductionofglobalwarmingD.Whetherpeopleshoulddosomethingaboutglobalwarming课中案学习目标:1.Tolearnsomeimportantwordsandphrasesaboutglobalwarming.2.Todevelopthereadingskillsbyskimmingandscanningthepassage.3.Tostrengthentheawarenessofenvironmentprotection.Step1FastreadingReadthetextquic

4、klyandchoosethebestanswers.1.Howmuchdidthetemperatureriseinthe1900s?A.OnedegreeFahrenheit・B•OneCelsius・C・Twodegrees.D-ThirtydegreesCelsius.2>Whatcausestheearth'stemperatureincreasing?A.CuttingtreesB.Wastingthefarmland.C.RunningoutoftheriverwaterD.Burningfossilfuels・3>WhichofthefollowingisDr.J

5、aniceFoster'sopinion?A.Theresultofthetemperatureincreasewillbeserious.B.Theamountofwarmingisnothingserious・C.Weneedn'tworryabouthighlevelsofcarbondioxide.A.Globalwarmingisanaturalphenomenon.4

6、.ThelevelsofCO2intheairwillbecomelowerinthefuture・D.Moreanimalswillmakegreenhousegasesdecrease・2.Wecaninferfromthetextthat.A.thedebateabouttheeffectsofglobalwarminghasnotbeensettled・B.thegreenhouseeffectistheresultofpeople'sactions.C.allscientiststhinkitisimportanttoreducetheamountofCO2inthea

7、tmosphere.D.reducinggreenhousegaseswillimmediatelydecreasetheearth'stemperature.Step2CarefulreadingReadPara.2toPara.6andfillintheblanks.(Para.2-Para.3)IgreenhousegasesThereasonsforglobalwarming(Para.4-Para.5)Thelevelsofcarbondioxidehaveincrea