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高考英语阅读理解专题训练 试题.doc

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2009年高考英语阅读理解专题训练(1)（一）Healthexpertshavelongworriedabouttheincreasingrateofobesityinkids.It’sanimportantconcern:Beingweightorobeseduringchildhoodcanleadtoseriousproblemsnormallyseeninadultssuchasdiabetesandhighbloodpressure.Poordietsandalackofexerciseareusuallythecauses.Butwouldyoueverhaveimaginedtheremightbeaconnectionbetweenthebacteriathatlivedinyourguts（内脏）whenyouwereababyandthechancethatyouwouldbecomeoverweight?ScientistsinFinlandrecentlyfoundjustsuchalink.Inarecentstudytheyshowedthatoverweightkidshaddifferentspeciesofbacterialivingintheirguts.Youprobablythinkofbacteriaonlyasgermsthatcanmakeyousick.Whileit’struethatsomebacteriacanmakepeopleillyourbodyactuallydependsonsometypesofbacteriatohelpyoudigestfoodandextractnutrientsfromit.These“good”bacterialiveinyourgutswheretheyprocessthefoodyoueat.Humanbabiesgetthesebacterialhelpersfromtheirmoms.Whenababyisbornsomeofthebacteriainthemothermoveintothebaby’sbody.Growingbabiesgetadditional“good”bacteriafromthemilktheirmothersproduce.Anditturnsoutthebacteriamightplayanimportantroleinregulatingweightjustsixyearslater.Sohowcouldthesebacteriaaffectweight?Theresearchersstillhaven’ttestedthatquestionbutfuturetestsmightleadtoananswer.1.The“link”inParagraph2referstotherelationshipbetween_______.A.bacteriaandthechanceofbeingoverweightB.obesityanddiabetesC.dietsandthechanceofbeingoverweightD.bacteriaandexercise2.WhichofthefollowingisNOTthefunctionof“good”bacteria?A.Helpingtodigestfood.B.Helpingtotakenutrientsfromfood.C.Helpingtoregulateweight.D.Makingapersonill.3.Thepurposeofwritingthispassageisto_______.A.introducetheroleofbacteriainchildren’sweightB.analyzetheinfluenceofobesityonkidsC.giveadviceonhowtolo