Unit3 Environmental Protection Reading and thinking(课件)-【知识精研】英语人教版(2019)选择性必修三同步课

Unit3EnvironmentalProtectionReadingandThinkingEarthprovidesenoughtosatisfyeveryman'sneeds,butnoteveryman'sgreed.---MohandasK.GandhiWhatisitabout?Whatinformationcanyougetfromit?Theearthisbecomingwarmerandwarmer.Why?Becauseoftheglobalwarming.Lead-in

Whatotherconsequencesmayglobalwarmingbringabout?unpredictablefutureofhumaneconomiclossescoastalcitiessubmergednaturaldisastersextremeweatheranimalsdyingariseinsealevellossofwildlifehabitatwildfiredroughtWhatmighthappeniftheglacierscontinuetomelt?1.What'sthetypeofthistext?

A.

Newsreport.

B.

Biography.

C.

Expositoryessay.

D.

Argumentation.2.Inwhichpartofanewspaperormagazinemaywefindthispassage?

A.EntertainmentB.EconomyC.EducationD.EnvironmentActivity1:Readingforthetexttype

0102030405Globalclimateischangingdramatically.

Analarmingcaseaboutabearstarvedtodeath.

Whatiscausingtheincreaseintheglobalaveragesurfacetemperature.Theeffectoftheriseintemperature.

Thesolutionstoreducinggreenhousegasemissions.Activity2:ReadingformainideaProblemCausesConsequencesSolutionActivity3:Readingforstructure1.Whichofthefollowingisnotaproofofadramaticchangeintheglobalclimate?A．Awarmingoceanandatmosphere.B．Meltingice.C．Risingsealevels.D．Alargepopulation.2．Whatdoesthecaseofthepolarbearshow?A．Foodshortagebecomesamajorthreattocreatures.B．Humanactivitiesaffectthesurvivalofpolarbears.C．TheincreaseintemperaturehasaneffectonEarth’secology.D．Thehuntingbehaviourofmankindleadstothesharpdecreaseofanimals.3.Whichofthefollowingcanreplacetheword“alarming”inparagraph2?A．Scary. B．Worrying.C．Awful. D．Troublesome.Activity3:Readingfordetailsclimatechangestarvationlongerfood-seekingtravellackoffoodlow

sea-icelevelThefollowingreasonsaccountforthedeathofthepolarbear.Puttheminacorrectlogicalorder.

Whatistherootcause?Activity3:ReadingfordetailsDefinition:HeatfromthesunenterstheatmosphereandwarmstheEarth’ssurface.Function:KeepingEarth’swarmandhabitable.Definition:Peopleproducehugeamountsofextragreenhousegases.Abigproblem:CausingEarth’ssurfacetemperaturetorisequickly.Naturalgreenhouseeffect

Man-madegreenhouseeffect

Whyearth’stemperatureisrising?Activity3:ReadingfordetailsAtmosphere

FindouthowthegreenhouseeffectworksWhataretheconsequencesoftheglobaltemperaturerise?Theriseintemperatureleadstoextremeweather/naturaldisastersextremerainstorms,heatwavesexamplesseriousdamage,costinghumanlives,economiclossesresultsActivity3:ReadingfordetailsWhatcanwedotohelpreducetheglobalwarming?solutionsmakepoliciestakeappropriateactionsandmeasuresreduceour"carbonfootprint"by…educateeveryoneaboutglobalwarmingActivity3:ReadingfordetailsWhatcanwedotoreduce“carbonfootprint”?Activity4:GroupworkSortthegarbageAbatetheuseofplasticbagsValueourownroleEndwastingresourcesEncourageotherstoparticipateinitAlterourlifestyleRideabikeorwalktoschoolTurnoffallelectricdeviceswhennotinuseHelpinformthosearoundthedangerofglobalwarming…Lucidwatersandlushmountainsarevaluableas"mountainsofgoldandsilver".青山绿水就是金山银山。Ifwedon'tsavewater,thelastdropofwaterwillbeourtear.如果我们不节约用水，那么最后一滴水将会是我们的眼泪。Whentheskybecomesblueagainandtheriversbecomeclean,we'llliveahealthierandhappierlife.

当天空再次变得湛蓝，河水变得清洁，我们会过上更健康、更快乐的生活。Homework

Compulsory：Summarizethewholepassageby

drawing

amindmapandfigureoutwhatwritingtechniquestheauthor

usesinthepassage.Optional:Makeaposterabouthowwecandotobalanceourneedsandsustainablenature.Thereislittledoubt1._________Earthisgettingwarmerandwarmer.In2013,alotofpeople2._______________(shock)byanewsphotoofadeadpolarbear3.___________appearedtohavestarvedanddied.This4.__________(alarm)caseshowedhowtheincreaseintemperaturehad5._______impactonEarth'secology.Thenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientiststhinktheclimateprocess"greenhouseeffect"makesitpossibleforEarth6.__________(sustain)life.However,the"man-made"greenhouseeffectmakesmoreheatenergy7.___________(trap)intheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.Theriseintemperaturehasledtoanincreaseinextremeweatherandnatural8.__________(disaster)worldwide.Newsreportsare9.__________(frequent)broadcastaboutextremerainstormsandheatwaves.Thisr