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1、Unit3Book3EnvironmentalProtection-ReadingandThinkingCLIMATECHANGEREQUIRESTHEWORLDSATTENTIONWe_1_(know)aboutclimatechangefordecades.ThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).Awarmingoceanandatmospherealongwith_2_(melt)iceandrisingsealevelsprovideevidenceofadramaticchangeinthegl
2、obalclimate.In2013,alotofpeoplewereshockedby_3_newsphotoofadeadpolarbearthatwasfoundonNorwaysArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthatremained_4_thepolarbearwasskinandbones.Anexpertwho_5_(study)polarbearsformanyyearssaidthatfromthepositionofitsdeadbody,thebearappeare
3、d_6_(starve)anddied.Expertsclaimedthatlowsea-icelevelscausedbyclimatechangemeantthebearcouldnothuntsealsasbefore,soithadtotravelgreaterdistancesinordertofindfood.This_7_(alarm)caseshowedhowtheincreaseintemperaturehadanimpact_8_Earthsecology.Thenwhatiscausingtheincreaseinthe_9_(globe)averagesurfacete
4、mperature?Climatescientistsoftenmentionakeyclimateprocess_10_(call)thegreenhouseeffect,_11_hastwocommonmeanings:thenaturalgreenhouseeffectandtheman-madegreenhouseeffect.ThenaturalgreenhouseeffectreferstothetactthatheatfromthesunenterstheatmosphereandwarmsEarthssurfaceasshort-waveradiation.Theheat_12
5、_(release)backintospaceatlongerwavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,_13_(keep)Earthsclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife._14_,theman-madegreenhouseeffecthasnowbecomeabigproblem.Whenpeopleproducehugeamountsofextragre
6、enhousegasesbyburningfossilfuels,moreheatenergy_15_(trap)inthe1/4atmosphereandcausesEarthssurfacetemperaturetorisequickly.Thereisstrongandcomprehensiveevidence_16_theriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,notonlycausingseriousdamage,butalsocostinghumanlives.C
7、limatescientistshavewarnedthat_17_wedonottakeappropriateactions,thiswarmingtrendwill_18_(probable)continueandtherewillbeahigherpricetopay.Infact,newsreportsarefrequentlybroadcastaboutextremerainstormsandheatwavescausingdeathsand_19_(economy)losses._20_(continue)greenhousegasemissionswillresult_21_fu
8、rtherwarmingandlong-lastingchangestotheglobalclimate.Thisrequirestheattentionofpeopleallovertheworld.Governmentsneedtoconsidermakingpoliciesandtakingappropriateactionsandmeasures_22_(reduce)greenhousegasemissions.Weasindividualscanalsoreduceourcarbonfootprintbyrestrictingtheamountofcarbondioxideourl
9、ifestylesproduce.Itisourresponsibilitytoseizeeveryopportunity_23_(educate)everyoneaboutglobalwarming,alongwithitscausesandimpacts,becausethisisthemostseriousissue_24_(affect)allofusonthisplanet._25_whatwillyoudotohelp?REDUCINGWATERPOLLUTIONINTHELIRIVERThebeautifulLiRiverandits_1_(amaze)surroundingsc
10、eneryisoneofthemostwell-knowntourist_2_(destination)inChinasGuangxiZhuangAutonomousRegion.Itattractsmillionsofdomesticandforeignvisitorseachyear._3_,itsreputationasatopdestinationhashadnegativeeffects_4_theriverswaterquality.Thisreportlooksattheproblemofwaterpollutionandsomeactionsthat_5_(take)todea
11、lwithit.2/4_6_(previous),waterqualityintheLiRiverhadsufferedgreatlyfroman_7_(increase)volumeoftourists,manyof_8_frequentlythrewgarbageintotheriver.Manytourboatscontributed_9_theproblemtoo.Kitchensonboardwereusinglotsofoil,whichwasoftenthrownintothewater.Thegrowthintourismalso_10_(mean)thelocalpopula
12、tionroserapidly,aswellasthenumberofcommercialandindustrialenterprises.Waterpollutionlevelsincreased,withmorehouseholdandcommercialwaste_11_(end)upintheriver.Inordertofeedmorepeople,morechemicalswereusedtoincreasecropproduction.Thesechemicalsledtoseverewaterqualityissues,_12_(cause)adecreaseinthenumb
13、eroffishspecies.Localofficialswereconcernedthatthepollution_13_(damage)thenaturalenvironmentandfeltthaturgentstepsshouldbetakentorestoretheriversoriginalbeauty.Acomprehensiveinitiativewasstarted,withanumberofmeasuresthat_14_(address)theissues.Theconstructionofwastewatertreatmentfacilitiesimprovedthe
14、waterqualityandwaterconservation.Thecollectionandtransportofhouseholdwastewasalsoimproved._15_(dozen)ofpollutingenterpriseswereclosedormoved.Thelocalgovernmentsetupstrictregulations_16_(regard)furtherindustrialdevelopment.Newruleswerealsointroducedregardingtourboatroutesandgarbage_17_(dispose)method
15、s.Furthermore,thelocalauthoritiesbegantousethemediatospreadenvironmentalawarenessandencourage_18_(great)useofcleanenergy.Atthesametime,theystartedtocarryoutinspectionsregularlyandfinetouristorganisations_19_abuses.Withthesemeasures,itisbelievedthatthebeautyoftheLiRiver_20_(preserve)forgenerationstocome.Inaddition,theambitiousWaterTenPlanisalsonowtacklingwaterpollutionacrossthecountry.Otherinitiatives,suchastheRiverChiefSystem,3/4holdseniorofficials_21_(response)forreducingwaterpollution._22_suchcampaignsineffect,Chinaswaterwaysareheadingtowardsacleanandsustainablefuture.4/4
Unit3ReadingandThinking課文挖空訓(xùn)練高中英語人教版選擇性必修第三冊
