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1、精品好文档，推荐学习交流Passage002Duringthelast15years,theEarth’ssurfacetemperatureroseatarateof0.04℃adecade,farslowerthanthe0.18℃increaseinthe1990s.Meanwhile,emissionsofcarbondioxiderose(1)________.Thispauseinwarminghasraised(2)________inthepublicmindaboutclimatechange.Af
2、ewskepticssaythatglobalwarminghasstopped.Othersarguescientists’understandingoftheclimateissoflawedthattheirjudgmentscannotbe(3)________withanyconfidence.Aconvincingexplanationofthepausetherefore(4)________bothtoaproperunderstandingoftheclimateandtothe(5)_______
3、_ofclimatescience.Asevidencepiledupthattemperatureswerenotrisingmuch,somescientists(6)________itasapause.Thetemperaturehadfallenformuchlongerperiodstwiceinthepastcenturyorso,(7)________thegeneraltrendwasup.Variabilityispartoftheclimatesystemanda15-year(8)______
4、__wasnotworthgettingexcitedabout.An(9)________wayoflookingatthepause’ssignificancewastosaytherehadbeenaslowdown.Mostrecordsdon’tincludemeasurementsfromtheArctic,whichhasbeenwarmingfasterthananywhereelse.Usingsatellitedatato(10)________themissingArcticnumbers,sc
5、ientistsputtheoverallrateofglobalwarmingat0.12℃adecade.AstudybyNASAputsthe‘Arctic(11)________’overthesameperiod(12)________lower,at0.07℃adecade,butthatisstillnot(13)________.Itisalsoworthrememberingthataveragewarmingisnottheonly(14)________ofclimatechange.Accor
6、dingtoastudy,thenumberofhotdays,thenumberofextremelyhotdaysandthe(15)________ofwarmperiodsall(16)________duringthepause.Amorestableaveragetemperaturehideswiderextremes.Still,attemptsto(17)________thatstableaveragehavenotbeenconvincing,partlybecauseoftheconflict
7、between(18)________temperaturesandrisingCO₂emissions,andpartlybecauseobservedtemperaturesarenowfalling(19)________therangeclimatemodelspredict.Themodelsembodythestateofclimateknowledge.Iftheyarewrong,theknowledgeisprobably(20)________,too.Hence,scientistsstilla
8、ttempthardtointerpretthepause.1.A.perpetuallyB.repeatedlyC.incidentallyD.continuously2.A.doubtsB.concernsC.expectationsD.fears3.A.exemplifiedB.acceptedC.identifiedD.correcte
