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1、[五角场]小升初阅读理解完形填空AWorldtemperaturescouldincrease2℃bytheyear2040.However,theincreasecouldbethreetimesasgreatintheworldcoldestarea.Thiscouldcausetheicebergs(冰山)tomelt（融化）and85theleveloftheoceanbyoneortwometers.Manycitiesneartheseawouldbe86water.Whyisthishappening？Thereist
2、oomuchCO2intheair.Whenoil,gas,andwoodburn,theyproducelargetonsofCO2intotheatmosphere(大气层)everyyear.TheCO2letssunlightentertheearth’satmosphereand87theearth.However,itdoesnotletasmuchheatleavetheatmosphereandenterthespace.Itislikeablanket.Theheatcanpassfromthesunthrough
3、theblankettowarmtheearth.Theheatstaysthereandcannot88gooutthroughtheblanketagain.Scientistscallthisthegreenhouseeffect.Theysaywemuststartplanningnow.Wemustn’tburntoomuchoil,gas,andwood.However,otherscientists89.Theysaythereisnoreasontoworrybecausewehavethirtyyearstopla
4、n.Theybelievethereis90fortheworldtoslowthisdownorstopit.Wejusthavetoprepareforahightemperatureworld.Thesescientistsalsosaythatthegreenhouseeffectisnottheonlycauseofthechangeintheworldweathercondition(状况).Othergasesanddustintheairandchangesinthecloudsare91importanttothe
5、weatherconditionsoftheearth.85.A.makeB.raiseC.getD.let86.A.overB.onC.underD.above87.A.heatB.leaveC.reachD.protect88.A.difficultlyB.slowlyC.hardlyD.easily89.A.disagreeB.dislikeC.disappearD.agree90.A.somewayB.nowayC.anywayD.anyway91.A.tooB.neverC.alsoD.NoBWhoisthegreates
6、tteacherinChinesehistory?Youcan’tthinkofanyoneelsewhenyouhearpeople(85)Confucius’(孔子)2,500-year-oldwords:‘Allstudybutnothinkingmakespeoplepuzzled.Allthinkingbutnostudymakespeoplelazy.’Confuciusistheonethatknowsalmost(86)abouthuman,and,isknownnearlybyeveryhuman.Heisnott
7、heonewiththelongestlifespan,whileheistheonewhosethoughtsthathas(87)____thewholeworldforthelongesttime.Notonlyheisthegreatestthinkerbutalsoisthegreatestteacher.Hehadabout3,000students.Formorethan2,000years,Confucius’ideashavebeenaroundinpeople’severydaylives.Eventheyhav
8、egonefarintoeastandsouthAsia,peoplecan(88)hearthemtoday.Whyarehisideassopopular?Theyhelpnotonlyineverydaylifebutinsoc
