Unit3EnvironmentalProtectionReadingandThinking课件高中英语人教版选择性3

Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?Globalwarming全球变暖meltingglacier3.Whatwillhappenifglaciersaremeltingfasterthanbefore?CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONPrediction——Whatwillbetalkedaboutinthepassage?Whatisthegraphabout?Whatinformationcanyougetfromit?Whatmighthavehappenedtothepolarbearinthephoto?Thetemperatureoftheglobalsurfaceroseabout1.2℃

from1920to2016.Theearthisbecomingwarmerandwarmer.skinandbonesstarvedtodeathReadforstructurePart1:

problem/phenomenonevidence+caseacasePart2:causesPart3:effects/influences/resultsPart4:solutionsevidenceThestructureofthetext.problemcauseseffectssolutionsExpositorywritingWhatkindofpassageisit?Readreadforkeyinformationanddrawamindmapofthetextwithkeywords，basedonthequestions.Climatechangerequirestheworld’sattentionProblemCausesEffectsSolutionsWhatproblemisbeingdiscussed？Whatissomeevidenceofglobalwarming?HowwasthepolarbearinfluencedbyGW?Whatisrealcauseofglobalwarming？Whataretheeffectsofglobalwarming？Whatshouldwedotostoporslowdownglobalwarming？Readfordetails(para.1-2)Problem

what?climateisgettingwarmerandwarmer

awarmingocean&atmospheremeltingicerisingsealevelsadeadpolarbearevidence/casesHow?Howwasthepolarbearinflencedbyclimatechange？Climatechange

lowsea-icelevelsbearscouldnothunthadtotravelgreaterdistancestofindfoodstarvedtodeathitsdeadbodywasfoundTobetterillustratetheseriousness/impactofglobalwarmingbyarealcaseandpicture.Readfordetails(para.1-2)

Whydoestheauthorusethepolarbearcasehere?Readfordetails(para.3)ThecausesThegreenhouseeffecttypesthe“natural”onethe“man-made”onefunctioncausetheearth'ssurfacetemperaturetorisequicklykeeptheearth'sclimatewarmandhabitableresultsWhydidtheauthormentiontheclimatescientists’warning?Theriseintemperature

ledtoextremeweather/naturaldisasters

exampleresultseriousdamage,costinghumanlives,economiclossesextremerainstorms,heatwavesItisessentialthatwetakeactiontodealwiththeissue.Readfordetails(para.4)Seriousconsequences

Solution

Governments:1.___________________2.____________________________________________________________

*Individuals:

1.____________________________________________________________________________________2.__________________________________________________________________

MakepoliciesTakeappropriateactionsandmeasurestoreducegreenhousegasemissions.Reduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.Seizeeveryopportunitytoeducateeveryoneaboutglobalwarming.Readfordetails(para.5)ReadforthinkingWhatistheauthor’spurposeofwritingthistext?Thepurposeistoinformthereadersandinspirethemtodowhatevertheycantodealwiththisproblem.Earthprovidesenoughtosatisfyeveryman'sneeds,butnoteveryman'sgreed.------MohandasK.GandhiAConclusionGroupdiscussionDoyouthinkclimatechangeistheresultofman'sgreed?Asastudent,whatcanwedotoprotecttheenvironmentinourdailylife?Lesstissue,regainhandkerchiefforestprotectionTurnofflight,switch,pulltheplugifnotuse.buyrecycledproductswalkorcycletoworkHowtolivealow-carbonlifestyleUsebasketorenvironmentalbaginsteadofplasticbag......AproblemThecausesTheconsequencesThesolutionsAcaseclimate'sgettingwarmerandwarmeradeadpolarbearthenaturalgreenhouseeffecttheman-madeonenaturaldisasterextremeweatherindividualsgovernmentsThestructureofthetext.problemcauseseffectssolutionsExpositorywriting——Usessomegraphsanddiagramstoconvincethereaders.Usessomeexpressionslike“Accordingtothescientistswho...”,“Expertsclaimedthat...”,“Thereisstrongevidencethat...”toshowobjectivity.Whatkindofpassageisit?Howdoyouknow?（writingtechn