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".青山綠水就是金山銀山。Ifwedon'tsavewater,thelastdropofwaterwillbeourtear.如果我們不節約用水，那么最后一滴水將會是我們的眼淚。Whentheskybecomesblueagainandtheriversbecomeclean,we'llliveahealthierandhappierlife.

當天空再次變得湛藍，河水變得清潔，我們會過上更健康、更快樂的生活。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