人教版（2019）选择性必修 第三册Unit 3 Environmental Protection Reading and Thinking同步练习.docx

Unit3Book3EnvironmentalProtection-ReadingandThinkingCLIMATECHANGEREQUIRESTHEVVORLD,SATTENTIONWe_1(know)aboutclimatechangefordecades.ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).Awarmingoceanandatmospherealongwith_2(melt)iceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.In2013,alotofpeoplewereshockedby_3newsphotoofadeadpolarbearthatwasfoundonNorway'sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthatremained_4thepolarbearwas"skinandbones".Anexpertwho_5(study)polarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappeared_6(starve)anddied.Expertsclaimedthatlowsea-icelevelscausedbyclimatechangemeantthebearcouldnothuntsealsasbefore,soithadtotravelgreaterdistancesinordertofindfood.This_7(alarm)caseshowedhowtheincreaseintemperaturehadanimpact_8Earth'secology.Thenwhatiscausingtheincreaseinthe_9(globe)averagesurfacetemperature?Climatescientistsoftenmentionakeyclimateprocess_10(call)the"greenhouseeffect",_11hastwocommonmeanings:the"natural"greenhouseeffectandthe"man-made"greenhouseeffect.The"natural"greenhouseeffectreferstothetactthatheatfromthesunenterstheatmosphereandwarmsEarth,ssurfaceasshort-waveradiation.Theheat_12(release)backintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,_13(keep)Earth,sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife._14,the"man-made,greenhouseeffecthasnowbecomeabigproblem.Whenpeopleproducehugeamountsofextragreenhousegasesbyburningfossilfuels,moreheatenergy_15(trap)intheatmosphereandcausesEarth'ssurfacetemperaturetorisequickly.Thereisstrongandcomprehensiveevidence_16theriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalsocostinghumanlives.Climatescientistshavewarnedthat_17wedonottakeappropriateactions,thiswarmingtrendwill_18(probable)continueandtherewillbeahigherpricetopay.Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsand_I9(economy)losses._20(continue)greenhousegasemissionswillresult_21furtherwarmingandlong-lastingchangestotheglobalclimate.Thisrequirestheattentionofpeopleallovertheworld.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasures_22(reduce)greenhousegasemissions.Weasindividualscanalsoreduceour"carbonfootprint"byrestrictingtheamountofcarbondioxideourlifestylesproduce.Itisourresponsibilitytoseizeeveryopportunity_23(educate)everyoneaboutglobalwarming,alongwithitscausesandimpacts,becausethisisthemostseriousissue_24(affect)allofUSonthisplanet._25whatwillyoudotohelp?REDUCINGWATERPOLLUTIONINTHELIRIVERThebeautifulLiRiverandits_1(amaze)surroundingsceneryisoneofthemostwell-knowntourist_2(destination)inChina,sGuangxiZhuangAutonomousRegion.Itattractsmillionsofdomesticandforeignvisitorseachyear._3,itsreputationasatopdestinationhashadnegativeeffects_4theriver'swaterquality.Thisreportlooksattheproblemofwaterpollutionandsomeactionsthat_5(take)todealwithit._6(previous),waterqualityintheLiRiverhadsufferedgreatlyfroman7(increase)volumeoftourists,manyof_8frequentlythrewgarbageintotheriver.Manylourboatscontributed_9theproblemtoo.Kitchensonboardwereusinglotsofoil,whichwasoftenthrownintothewater.Thegrowthintourismalso_IO(mean)thelocalpopulationroserapidly,aswellasthenumberofcommercialandindustrialenterprises.Waterpollutionlevelsincreased,withmorehouseholdandcommercialwaste_l1(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,thelocalauthoritiesbegantousethemediatospreadenvironmentalawarenessandencourage_18(great)useofcleanenergy.Atthesametime,theystartedtocarryoutinspectionsregularlyandfinetouristorganisations_19abuses.Withthesemeasures,itisbelievedthatthebeautyoftheLiRiver_20(preserve)forgenerationstocome.Inaddition,theambitious"WaterTenPlan"isalsonowtacklingwaterpollutionacrossthecountry.Otherinitiatives,suchasthe"RiverChiefSystem",holdseniorofficials_21(response)forreducingwaterpollution._22suchcampaignsineffect,China'swaterwaysareheadingtowardsacleanandsustainablefuture.