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1、第二部分：阅读判断（每题1分，共七分）阅读下面这篇短文，短文后列岀了七个句子，请根据短文的内容对每个句子作出判断。如果该句提供的是正确信息，请在答题卡上把A涂黑；如果该句提供的是错误信息，请在答题卡上把B涂黑；如果该句的信息文章中没有提及，请在答题卡上把C涂黑ElNino（丿也尔尼诺现象）WhilesomeforecastingmethodshadlimitedSUCCESSpredictingthe1997ElNinoafewmonthsinadvance,theColumbiaUniversityresearcherssa
2、ytheirmethodcallpredictlargeElNinoeventsuptotwoyearsinadvance.Thatwouldbegoodnewsforgovernments,farmersandothersseekingtoplanforthedroughtsandheavyrainfallthatElNinocanproduceinvariouspartsoftheworld・Usingacomputertheresearchersmatchedsea-surfacetemperaturestolaterE
3、lNinooccurrencesbetween1980and2000andwerethenabletoanticipateElNinoeventsdatingbacktol857,usingpriorsea-surfacetemperatures.TheresultswerereportedinthelatestissueofthejournalNature.Theresearcherssaytheirmethodisnotperfect,butBryanC.Weare.ameteorologistattheUniversit
4、yofCalifornia,Davis,whowasnotinvolvedinthework,saiditusuggests"ElNinoisindeedpredictable."“Thiswillprobablyconvinceotherstosearcharoundmoreforevenbettermethods.”saidWeare.HeaddedthatthenewmethodumakesitpossibletopredictElNinoatlongleadtimes.”Othermodelsalsousesea-su
5、rfacetemperatures,buttheyhavenotlookedasfarbackbecausetheyneedotherdata,whichisonlyavailableforrecentdecades,Wearesaid.TheabilitytopredictthewarmingandcoolingofthePaciticisofimmenseimportance'.The1997ElNino,forexample,causedanestimated$20billionindamageworldwide,off
6、setbybeneficialeffectsinotherareassaidDavidAnderson,oftheEuropeanCentreforMedium.RangeWeatherForecastsinReadingEngland.The1877ElNino,meanwhile,coincidedwithafailureoftheIndianmonsoonandafaminethatkilledperhaps40millioninIndiaandChinaopromptingthedevelopmentofseasona
7、lforecasting,Andersonsaid-WhenElNinohitin1991and1997.200millionpeoplewereaffectedbyfloodinginChinaalone-accordingtoa2002UnitedNationsreport.WhilepredictingsmallerElNinoeventsremainstricky,theabilitytopredictlargeronesshouldbeincreasedtoatleastayearifthenewmethodisco
8、nfirmed.ElNinotendstodevelopbetweenAprilandJuneandreachesitspeakbetweenDecemberandFebruary.Thewarmingtendstolastbetween9and12monthsandoccu
