高二英语必修六unit4 reading课件.ppt

Wordsstudy,Globalwarming,Unit4,Reading,TheEarthisBecomingWarmer-ButDoesitMatter?,Greenhouse,Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.,Greenhouseeffect,MoreinformationaboutGreenhouseeffect,Globalwarming参考网页SolcomhouseSiteMap.htmVideoaboutGreenhouseeffect,ThegreenhouseeffectisanaturallyoccurringprocessthataidsinheatingtheEarthssurfaceandatmosphere.Itresultsfromthefactthatcertainatmosphericgases,suchascarbondioxide,watervapor,andmethane,areabletochangetheenergybalanceoftheplanetbyabsorbinglongwaveradiationemittedfromtheEarthssurface.Withoutthegreenhouseeffectlifeonthisplanetwouldprobablynotexist.,graphrandomphenomenonsubscribefuelquantitytenddata,n.图表;坐标图adj.胡乱的;任意的n.现象vi.同意;捐赠;订阅vt.签署(文件);捐助n.燃料n.量;数量vi.趋向;易于vt.照顾n.资料;数据,Wordspreview,trendcatastrophefloodopposemildconsequencestaterange,n.趋势;倾向;走向n.大灾难;浩劫n.洪水;水灾vt.反对;反抗adj.温和的;淡的n.结果;后果;影响vt.陈述;说明n.种类;范围,Wordspreview,comeaboutsubscribetoquantityofgoupresultinbeopposedtoevenifkeepon,发生;造成同意;赞成;订购大量的上升;增长;升起导致反对即使继续,Expressionspreview,Youcanoftengetanideaofwhatamagazinearticleisaboutbyglancingatthetitle,thefirstparagraph,thediagrams,andtheenlargedquotes.,AUsefulSkill,Skimmingtogetanoverviewofthestructureofamagazinearticle,Whatsthetopicandhowsthetextorganized?,Itsaboutglobalwarming.Ithasatitle;afirstparagraph;themaintextin2columns;graphs,quotes.,skimming,2.Whatsthefirstgraphabout?,ItshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860and2000.,ReadingComprehensionI,skimming,3.Whatsthesecondgraphabout?,Itshowsthecarbondioxidecontentintheatmospherefrom1957to1997.,4.Whatsthepurposeofthelastparagraphofthearticle?,Itfunctionsasaconclusionbyaskingthereadertoreflectonthemajorthemeofthetextandtopredictwhatmighthappeninthefuture.,ReadingComprehensionI,1.Thepurposeofthefirstparagraphisto_.introducethewriterB.explainachangeC.introducethetopicD.raiseaquestion2.Thegraphsareusedto_.illustratepointsbyprovidingevidencetellthechangeoftemperaturetellthecontentofcarbondioxideintheairinterestthereaders,skimming,ReadingComprehensionII,Carefulreadingtosolvedifficultpoints,1.itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.,arandombutnatural修饰phenomenon，译为“随意的自然的现象”，but起一个语气转折的作用，可不译出。,ratherthan而不是Sheisacareerwomanratherthanahousewife.她是职业妇女而不是家庭主妇。ratherthan在更大程度上Thesearepoliticalratherthansocialmatters.与其说这些是社会问题，不如说是政治问题。,eabout,comeabout:takeplace;happen表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句,例:WhenMotherwokeup,shedidntknowwhathadcomeabout.Illneverunderstandhowitcameaboutthatyouwerelatethreetimesaweek.,3.resultin导致,造成=leadto,Theaccidentresultedinthreepeoplebeingkilled.这一事故导致他的死亡。,Theaccidentresultedinhisdeath.Actingbeforethinkingalwaysresultsinfailure.做事不先考虑总会导致失败。,Theaccidentresultedinthedeathoftwopeople.这场意外事故造成两人死亡。,Itisanillnessthatcanresult_totaldeafifleftuntreated.(A)of(B)from(C)in(D)to,4.consequence,inconsequence因此asaconsequence结果asaconsequenceof由于,5.buildup,BuildupthebusinessSediment(沉淀物)buildsupontheoceanfloor.Thisbuiltupmyhopeaftertheinterview.,develop扩大,发展,collect累积,收集,增加,支持,树立,6.evenif/though:usedtoemphasizethat,althoughsomethingmayhappenormaybetrue,itwillnotchangeasituationIwouldnttellyouevenifIknew.,Evenifshesurvives,shellneverfullyrecover.Eventhoughhes24now,hesstilllikealittlechild.Icanstillremember,eventhoughitwassolongago.,Readthepassagequicklytofindthemainideaofeachpart,(Paragraph11),(Paragraphs5-10),(Paragraphs2-4),(Paragraph1),(Paras2-4),(Para1),Introduceadebateovertheissueofglobalwarming.,Raisingaquestion,Illustratehowglobalwarmingcomesabout.,Givingexamples,usinggraphs,explanation,(Paras5-10),Listtwodifferentattitudesamongscientiststowardsglobalwarming.,Givingexamples,makingcontrast.,(Para11),Itsuptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.,Usingaquestion,leavingreaderstothinkovertheissue.,ScanningtogetDetailinformation,Trueorfalse?(P27),scanning,ReadingComprehensionIII,2,1.Thetemperatureinthelastcenturydidntseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesshecanmeasurethefutureglobalriseintemperature.4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.,1.Greenhousegasesreferto_.carbondioxideB.theburningoffossilfuelsC.byproductsoftheburningoffossilfuelsD.coal,naturalgasandoil2.Greenhouseeffect_.A.isanaturalphenomenonB.happenswhentherestoomuchcarbondioxideC.doesgreatharmtohumanbeingsD.makeslifeforhumanbeingsbetter,scanning,ReadingComprehensionIV,3._foundouttheamountofcarbondioxideintheatmospherefrom1957to1977.A.Dr.JaniceFosterB.CharlesKeelingC.GeorgeHambleyD.SophieArmstrong4.WhichofthefollowingstatementsisTrue?Burningfossilfuelscausestheglobalwarming.B.Wewillhavemorefoodwithglobalwarming.C.Globalwarmingmeansdisasterstohumans.D.Moregreenhousegaseswillgatherintheatmosphere.,ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambley,goup,catastrophe,veryserious,positive,producemore,agreaterrangeofanimals,Quiz,1.Haveyou_somenewideas?Yeah.Illtellyoulater.2007江苏A.comeaboutB.comeintoC.comeupwithD.comeoutwith2.Pleasetellmehowtheaccident_.Iamstillinthedark.(2005江西)A.camebyB.cameoutC.cametoD.cameabout3.Theaccident_thedeathoftwopassengers.A.resultedfromB.resultedinC.resultedofD.resultedwith,I.Choosetheproperanswer,4.Itistheprotectionforthetrees_reallymatters,ratherthanhowmanytreesareplanted.A.whatB.thatC./D.which5._thepeople,notthings,thatarethemostimportant.A.TheseareB.ThoseareC.ItisD.Itisnt,II.Translation,1._(是人类活动引起)thisglobalwarmingratherthanarandombutnaturalphenomenon.2._(是一位名叫CharlesKeeling的科学家)madeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom195