2015年12月英语四级完形填空真题及答案:极端天气
Questions36to45arebasedonthefollowingpassage.
FormanyAmericans,2013endedwithanunusuallybittercoldspell.NovemberandDecember36earlysnowandbone-chillingtemperaturesinmuchofthecountry,partofayearwhen,forthefirsttimeintwo37,record-colddayswilllikelyturnouttohaveoutnumberedrecord-warmones.ButtheU.S.wastheexception;Novemberwasthewarmestever38,andcurrentdataindicatesthat2013islikelytohavebeenthefourthhottestyearonrecord.
Enjoythesnownow,because39aregoodthat2014willbeevenhotter,perhapsthehottestyearsincerecordshavebeenkept.That’sbecause,scientistsarepredicting,2014willbeanEINiuoyear.
EIniuo,Spanishfor“thechild”,40whensurfaceoceanwatersinthesouthernPacificbecomeabnormallywarm.SolargeisthePacific,covering30%oftheplanet’ssurface,thatthe41energygeneratedbyitswarmingisenoughtotouchoffaseriesofweatherchangesaroundtheworld.EINinosare42withabnormallydryconditionsinSoutheastAsiaandAustralia.TheycanleadtoextremeraininpartsofNorthandSouthAmerica,evenassouthernAfrica43dryweather.Marinelifemaybeaffectedtoo;EINinoscan44therisingofthecold,nutrient-rich(营养丰富的)waterthatsupportslargefish45,andtheunusuallywarmoceantemperaturescandestroycoral(珊瑚).