Unit+3+Environmental+Protection+Reading+and+Thinking+導學案 高中英語人教版（2019）選擇性必修第三冊

Unit3EnvironmentalProtectionReadingandThinking學案Answerquestionsaccordingtothetext.1.Whatevidencecanshowthattheglobalclimatechangesdramatically?2.Whatcausedthepolarbear'sdeath?3.Whatdidthealarmingcaseshow?4.Finishthetable.ClimateprocessDefinitionFunction/Effectnaturalgreenhouseeffectman-madegreenhouseeffect5.Whatconsequencesdidtheriseintemperatureleadto?6.Whathavetheclimatescientistswarned?7.Whataregovernmentsandindividualssupposedtodotoreducegreenhousegasemissions?8.Whatistexttypeofthepassage?A.NarrationB.ExpositionC.Argumentation9.Whatisthewriter'spurposeofwritingthispassage?10.Summarizethemainideaofeachparagraph:Paragraph1:Paragraph2：Paragraph3:Paragraph4:

Paragraph5:11.Retellthetextaccordingthemainideaofeachparagraph:CLIMATECHANGEREQUIRESTHEWORLD'SATTENTIONWe_1____________(know)aboutclimatechangefordecades.（毫無疑問）Earthisgetting2（越來越暖）(seethegraph).Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.In2013,alotofpeople_3(震驚了）anewsphotoofadeadpolarbearthatwasfoundonNorway'sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthatremainedofthepolarbearwas"skinandbones".Anexpertwho_4_________(study)polarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedanddied.Experts5(稱，說）thatlowsea-icelevelscausedbyclimatechangemeantthebearcouldnothuntseals6（和以前一樣）,soithadtotravelgreaterdistancesinordertofindfood._7_____________(這一令人驚恐的案例）showedhowtheincreaseintemperature_8________（對……有影響）Earth'secology.Thenwhatiscausingtheincreaseinthe_9_____________(globe)averagesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocess_10_____________(call)the"greenhouseeffect",_11____________hastwocommonmeanings:the"natural"greenhouseeffectandthe"man-made"greenhouseeffect.The"natural"greenhouseeffect_12_________（提到，指的是）thetactthatheatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation.Theheat_13_____________(release)backintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth’sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnot_14_________（維持生命）.However,the"man-made’greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproduce_15_________（大量的）extragreenhousegasesbyburningfossilfuels,moreheatenergy_16_____________(被困在……）theatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.Thereisstrongandcomprehensiveevidence_17____________theriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalso_19___________（使人喪命）.Climatescientistshavewarnedthatifwedonot20____________（采取適當?shù)男袆樱?thiswarmingtrendwillprobablycontinueandtherewillbe_21___________(更大的代價)topay.Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsand_22___________(經(jīng)濟損失)._23____________(continue)greenhousegasemissionswill_24_____（導致）furtherwarmingand_25___________（持久的改變）totheglobalclimate.Thisrequirestheattentionofpeopleallovertheworld.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasures_26____________(reduce)greenhousegasemissions.Weasindividualscanalsoreduceour"_27___________"（碳足跡）byrestrictingtheamountofcarbondioxideourlifestylesproduce._28_______________________________(我們有責任抓住每個機會去教育)everyoneaboutglobalwarming,__29_________（和……一起）itscausesandimpacts,becausethisisthemostseriousissueaffectingallofusonthisplanet.Sowhatwillyoudotohelp?REDUCINGWATERPOLLUTIONINTHELIRIVERThebeautifulLiRiverandits_1________________(amaze)surroundingsceneryisoneofthemostwell-knowntourist_2________________(destination)inChina'sGuangxiZhuangAutonomousRegion.Itattractsmillionsofdomesticandforeignvisitorseachyear._3________________,itsreputationasatopdestinationhashadnegativeeffects_4________theriver'swaterquality.Thisreportlooksattheproblemofwaterpollutionandsomeactionsthat_5________________(take)todealwithit._6________________(previous),waterqualityintheLiRiverhadsufferedgreatlyfroman_7________________(increase)volumeoftourists,manyof_8____________frequentlythrewgarbageintotheriver.Manytourboatscontributed_9__________theproblemtoo.Kitchensonboardwereusinglotsofoil,whichwasoftenthrownintothewater.Thegrowthintourismalso_10________________(mean)thelocalpopulationroserapidly,aswellasthenumberofcommercialandindustrialenterprises.Waterpollutionlevelsincreased,withmorehouseholdandcommercialwaste_11________________(end)upintheriver.Inordertofeedmorepeople,morechemicalswereusedtoincreasecropproduction.Thesechemicalsledtoseverewaterqualityissues,_12________________(cause)adecreaseinthenumberoffishspecies.Localofficialswereconcernedthatthepollution_13________________(damage)thenaturalenvironmentandfeltthaturgentstepsshouldbetakentorestoretheriver'soriginalbeauty.Acomprehensiveinitiativewasstarted,withanumberofmeasuresthat_14________________(address)theissues.Theconstructionofwastewatertreatmentfacilitiesimprovedthewaterqualityandwaterconservation.Thecollectionandtransportofhouseholdwastewasalsoimproved._15________________(dozen)ofpollutingenterpriseswereclosedormoved.Thelocalgovernmentsetupstrictregulations_16________________(regard)furtherindustrialdevelopment.Newruleswerealsointroducedregardingtourboatroutesandgarbage_17________________(dispose)methods.Furthermore,thelocalauthoritiesbegantouseth