最新人教版高中英语选修六Unit-4--Reading教学讲义PPT课件.ppt

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1、人教版高中英语选修六Unit-4--ReadingⅠ.Listentothetextandsumupthemainideaofeachparagraph.Para.1A．thecauseoftheearth’sbecomingwarmerPara.2B．theconsequenceofburningfossilfuelsPara.3C．theincreaseofcarbondioxidePara.4D．globalwarmingwillgoonPara.5E．puzzlesaboutglobalwarmingPara.6F．d

2、ifferentattitudestoglobalwarmingPara.7G.anintroductiontothepassageThestructureofthepassageListtwodifferentattitudesamongscientiststowardsglobalwarming..1Illustratehowglobalwarmingcomesabout..2-5Part1(para.1)Part2(para.2-5)Part3(para.6)Part4(para.7)Anintroductionofth

3、epassagePuzzlesaboutglobalwarming.Part1:Para11.Whowrotethemagazinearticle?2.Whatisthenameofthemagazine?→EarthCare.→SophieArmstrongListen,readandthinkPart2:Para2-5Listen,readandthink1.WhatisGraph1about?2.Howhastheglobalwarmingcomeabout?Graph1showsthetemperature______

4、from____to____.isincreasing18602000Itis____________thathascausedthisglobalwarming.humanactivity3.Greenhousegasesinclude___.watervaporB.naturalgasC.carbondioxideD.methaneE.fossilfuels.ACDPart2:Para2-5Listen,readandthink4.Readandfillintheblanks.heatsunwarmListen,reada

5、ndthinkPart2:Para2-5Greenhouseeffecthappenswhengasestrap___fromthe____andtherefore____theearth.Part2:Para2-5(1)ThelevelsofCOhaveincreasedgreatlyoverthepast150years.(2)Graph2showsCOcontentintheatmasphere,1957-1997.(3)MostscientistsacceptthedatamadebyCharlesKeeling.(4

6、)Theamountofwarmingcouldbeashighas1degree.5.Do“T”or“F”exercise:100-150FFFTAll5degrees22Listen,readandthinkPart3:Para.6ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambley.Dr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto_______.Anincreaseoffi

7、vedegreeswouldbea__________andcouldbe___________.Morecarbondioxideisa________thing,whichmakescrops________andwillen-courage______________________________.goupcatastropheveryseriouspositiveproduceagreaterrangeofanimalsTheauthorprobablyagreesthat___.actuallyglobalwarm

8、ingisgoodforhuman.catastropheswillhappeneventuallyduetoglobalwarming.alotremainstobefoundoutabouttheeffectsofglobalwarmingPart4:Para7Liste