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全球变暖GlobalWarmingLearningAimskeywords&difficultwordstoknowwhatis“greenhouseeffect”todevelopthesenseofenvironmentalprotection环保意识GlobalWarmingReviewKeyWordsandPhrases1.comeabout11.trendGlobalWarming2.random3.phenomenon4.subscribeto5.quantitiesof6.tend7.goup8.per9.data10.resultin12.flood13.beopposedto14.mild15.consequence16.state17.range18.evenif19.keeponDifficultWordsandPhrasesParagraph1：onedegreeFahrenheit1华氏度Paragraph2：Graph1图表1longtermaverage长期平均值Paragraph3：fossilfuel化石燃料byproduct副产品carbondioxide二氧化碳methane甲烷，沼气watervapour水蒸气greenhouseeffect温室效应thirty-threedegreeCelsius33摄氏度Paragraph6：catastrophe大灾难，浩劫drought旱灾，干旱famine饥荒GlobalWarmingNow,listenandfinishthefollowingtask1.Whatisthetextmainlyabout?2.Whowrotethemagazinearticle?Andwhatisthenameofthemagazine?GlobalWarmingGlobalwarmingSophieArmstrongEarthCareGlobalWarmingPart1(Para_)a.twodifferentattitudestoglobalwarmingPart2(Para_to_)b.whetherpeopleshoulddosth.aboutglobalwarmingPart3(Para_)c.anintroductionofglobalwarmingPart4(Para_)d.howglobalwarmingcomeaboutFastreading:Readthefirstsentenceofeachparagraphanddividethetextintofourparts.17652Carefulreading:readPara2andPara3carefullyandanswer:1.Whathascausedglobalwarming?2.Howdoes“greenhouseeffect”comeabout?Carefulreading:Para6:twodifferentattitudestoglobalwarmingBadeffectsGoodeffectsGlobalWarmingGlobalWarmingCarefulreading:readPara2andPara3carefullyandanswer:1.Whathascausedglobalwarming?2.Howdoes“greenhouseeffect”comeabout?Itcomesaboutwhensmallamountsofgasesintheatmosphere,likecarbondioxide,methaneandwatervapour,trapheatfromthesunandthereforewarmtheearth.HumanactivityCarefulreading:Para6:twodifferentattitudesBadeffectsGoodeffects1.theriseinthesealevel2.severestorms3.floods4.droughts5.famines6.thespreadofdiseases7.thedisappearanceofspecies1.makeplantsgrowfaster2.cropswillproducemore3.agreaterrangeofanimals4.makelifebetterGlobalWarmingWhatcanwedotoprotectourenvironment?GlobalWarmingitis/was+被强调的部分+that/who+其它itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenonItwasascientistcalledCharlesKeelingwhomadeaccuratemeasurementsoftheamountofcarbondioxide...itistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.Pra2Pra4Pra5强调句形式为:itis/was+被强调的部分+that/who+其它一般疑问句形式为：特殊疑问句形式为：not...until的强调句形式为：Is/Was+it+被强调的部分+that+其它特殊疑问词+is/was+it+被强调的部分+that+其它itis/wasnotuntil+被强调的部分+that+其它WasitMrs.Smiththat/whoteachesyourmath?ItisnotuntilIsawTomnextmorningthatIhelthappy.Whatisitthatyourdaughterismostinterestedin?WasitMrs.Smiththat/whoteachesyourmath?ItisnotuntilIsawTomnextmorningthatIhelthappy.Whatisitthatyourdaughterismostinterestedin?finishtheexerciseinnewspaper20theusageofithomework