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

Unit3ReadingandThinkingEnvironmentalProtectionLeadinWatchavideoandanswerthequestions.Q1:

Whataretheextremeweatheranddisastersmentionedinthevideo?LeadinWatchavideoandanswerthequestions.GlobalWarmingQ2:

Whatcausessuchextremeweatheranddisasters?PredictionPredictthemainideafromthetitleandpicturesCLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONThetemperatureoftheglobalsurfaceroseabout1.2℃

from1920to2016.Theearthisbecomingwarmerandwarmer.Thepolarbear

starvedtodeathforlackingfood.Title

Globalwarminghascausedsomedisastersandwemustpayattentiontoit.MainideaPredictionWhatisthetexttype?Howdoyouknow?C.DescriptionA.NarrationB.ExpositionBecauseintheexpositorytext,theauthorssometimesusesomegraphsordiagramsintheiressaysinordertoconvincetheirreaders.Thesegraphsanddiagramsoftencomefromscientificresearchreportsandotherreliableresources.ReadingCLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONReadforthemainideaandthestructureTheopeningsentenceTheclosingsentenceStandoutsentenceSummarizebyyourselfHowtotofindoutthemainideaofeachparagraph?Findoutthetopicsentenceofeachparagraphandsummarize.CausesConsequencesSolutionevidenceofclimatechangeReadfordetailsclimatechangeEvidence1:_______________________________Evidence2:______________Evidence3:___________________aoceanandatmosphereicesealevelsWhatevidenceofclimatechangecanyoufind?meltingrisingwarmingPara2Para3Para4Para5Para1ReadfordetailsAnexampleofclimatechangeThefollowingreasonsaccountforthedeathofthepolarbear,withoneinfluencinganother.Readparagraph2andputtheminacorrectlogicalorder.climatechangestarvationlongerfood-seekingtravellackoffoodlow

sea-icelevel

Whatistherootcause?Para1Para3Para4Para5Para2Readparagraph3andcreateadiagram

describinghowthegreenhouseeffectworks.HeatreleasedbackintospaceHeatreflectedbacktoEarth’ssurfaceReflectedsunlightAtmosphereSunlightReadfordetailsPara1Para2Para4SupportersSayDefinitionHeatfromthesunentersthe__________andwarmsEarth’s__________as_________-waveradiation.habitableatmospheresurfaceshortextrafossilfuelsnaturalgreenhouseeffectPara3man-madegreenhouseeffectFunctionKeepingEarth’swarmand_____________DefinitionPeopleproducehugeamountsof_________greenhousegasesbyburning_____________.AbigproblemMore________energyistrappedintheatmosphereandcausesEarth’ssurfacetempreatureto________quickly.heatriseFindinformationabout“greenhouseeffect”Para5ReadfordetailsFindouttheconsequencesofdramaticclimatechange.1.________weather2.________disastersextremenaturalexamplesresults1.extreme__________2.________heatwaves1.seriousdamage2._______humanlives3._________lossescostingeconomicledtotheriseintemperaturePara1Para2Para5Para3Para4rainstormsWhydidtheauthormentiontheclimatescientists’warning?Becauseitisessentialthatwetakeactionanditneedstobebroughttoeveryone’sattention.ReadfordetailsFindoutthesolutionsmentionedGovernmentstakeappropriateactionsandmeasuresIndividualsToinspirereaderstodowhatevertheycantodealwiththisproblem.educateeveryoneaboutglobalwarming,alongwithitscausesandimpactsHowcantheworld’sattentionhelp?makepoliciesreducecarbonfootprintWhyisaquestionleftintheend?Para1Para2Para4Para3Para5SummaryClimateChangenaturalgreenhouseeffectman-madegreenhouseeffect1.awarmingoceanandatmosphere2.risingsealevels3.meltingice4.adeadpolarbearextremeweathernaturaldisasterspheno--menaconsequencescausessolutionsgovernmentsindividualsWhatarethewritingskillsusedinthisexposition?expositionusegraphsuseexamplesmakedefinitionsThenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Sowhatwillyoudotohelp?...the"greenhouseeffect",whichhastwocommonmeanings:...deadbear，meltingice,sealevel...askquestionsSummaryWhatis“carbonfootprint”?ThinkingThinkingWhatshouldwedoindailylifetoreduce“carbonfootprint”?ShareinclassTakethestairsinsteadofelevatorplantmoretreesDon'tlitterGotoschoolbybikeinsteadofbycar/busTurnoffthelightswhenleavingUsebasketorenvironmentalbasketbagThinkingWatchthevideoclipandlearnthe3Rprinciple.RecycleReduceReuse1.Becarefulhowlongyoutakeashower.→Takeshortershowers2.Turnoffthewaterwhenyouarebrushingyourteeth.3.Onlyusethenecessaryenergy.Turnoffthelightswhentheyarenotinuse.4.Takequickdrinks.5.Walktoschool.6.

Pulloutplugswhenyouarenotusingthem.1.Reusestuffwhenyouareoutandabout(外出活动).Ifyoucanuseitagain,don'tthrowitout!2.Reusebottles,bags,containersandrags(布料).3.Donatetoys,sosomeoneelsecanusethem.4.Donateclothes.1.Justthrowingawayisnotenough.Recyclesomethingstomakenewstuff!2.Likepaper,cans,plastic,glass,cardboard,games,CDsan