Unit+3+Environmental+Protection+Reading+and+Thinking阅读课课件-【知识精研+拓展提升】高中英语人教版（2019）选择性必修第三册+

ReadingandThinkingUnit03EnvironmentalProtection

新人教选择性必修三LearningObjectivesByreading,explaincausesandnegativeeffectsofglobalwarming;Beawareoftheimportanceofcuttinggreenhousegasesandtakeeffectiveactiontodoit;Byteamwork,presenthowtosolvetheproblemofglobalwarmingingroups.ⅠPre-readingWhat’shappeninginthevideo?Whereisit?What’shappeninginthevideo?Whereisit?ThevideoshowedusGlaciermelting,wecanseealargepieceoficebreakingoffalargeglacier.ItislikelytobeintheArcticorAntarcticaorsomewherenearby.Globalwarmingcausesit.TherisingtemperatureoftheEarthistheprimaryreasonglaciershavestartedtomeltmore,andthisclimatechangecanbedirectlytiedbacktohumanactivity.Whatcausesthisphenomenon?ⅡWhile-readingTask1:Findthekeysentenceofeachparagraphandsummarizethemainideaofeachpart:Para1Para2TheevidenceofdramaticclimatechangethathadanimpactonEarth’secology瘦骨嶙峋Para3ThecauseoftheincreaseintheglobalaveragesurfacetemperaturePara4Para5TheconsequencesoftheriseintemperatureThesolutionstoreducinggreenhousegasemissionsSummaryPartParagraphMainideaⅠ1-2Ⅱ3Ⅲ4Ⅳ5TheevidenceofdramaticclimatechangethathadanimpactonEarth’secologyThecauseoftheincreaseintheglobalaveragesurfacetemperatureTheconsequencesoftheriseintemperatureThesolutionstoreducinggreenhousegasemissionsTask2:ReadfordetailsReadPara1-2andanswerthequestions:Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteaboutit?Whatevidenceofclimatechangecanyoufindinthesetwoparagraphs?Findthecauseandeffectthatcanshowhowclimatechangehasinfluencedthepolarbear’slife?Task2:ReadfordetailsReadPara1-2andanswerthequestions:Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteaboutit?Thepolarbearinthephotodiedofstarvation.Thewriterwroteaboutitbecauseitshowedoneoftheeffectsofrisingtemperaturesduetoclimatechange.Task2:ReadfordetailsReadPara1-2andanswerthequestions:Whatevidenceofclimatechangecanyoufindinthesetwoparagraphs?Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.Task2:ReadfordetailsReadPara1-2andanswerthequestions:Findthecauseandeffectthatcanshowhowclimatechangehasinfluencedthepolarbear’slife?climatechangelowsea-icelevelsbearscouldnothunthadtotravelgreaterdistancestofindfoodstarvedtodeathitsdeadbodyfoundTask2:ReadfordetailsReadPara3andfindinformationabout“greenhouseeffect”.__________greenhouseeffect_________greenhouseeffectcausingEarth’ssurfacetemperature______________iftoomuchheatenergyis_______keepingEarth’sclimate_______and__________naturalman-madewarmhabitabletorisequicklytrappedTask2:ReadfordetailsReadPara4andsortoutthetextinformationrelationship.Theriseintemperatureextremeweather/naturaldisastersextremerainstorms,heatwavesseriousdamage,costinghumanlives,economiclossesleadstoexamplesresultsInPara4,whydidtheauthormentiontheclimatescientists’warning?Becauseitisessentialthatwetakeactionandsoitneedstobebroughttoeveryone’sattention.Task2:ReadfordetailsReadPara5andanswerthequestions:Howcanindividualsreduce“carbonfootprint”?Whatistheauthor’spurposeofwritingthistext?Weasindividualscanalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideourlifestylesproduce.Theauthor’spurposeistoinformthereadersandinspirethemtodowhatevertheycantodealwiththisproblem.Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.—MohandasK.GandhiSuchasshelter,air,food,waterandthemeanstodosomethingproductiveandmeaningful.Greedisadesirethatcanneverbesatisfied.NeedsmeanallbasiclivingthingsThequoteisusedheretosuggestthatconsumptionpoweredbygreedisaprimecauseofenvironmentaldegradation(环境恶化).Overlogging,pollutedwaterresources…Post-readingⅢAssignments2930AssignmentsTeachingActivitiesTexplainstherequirementsoftheassignments.PurposesTohelpstudentsconsolidatewhattheyhavelearnedintoday’slesson.Topromotethepersonalizeddevelopment