Reading（2道小题,共30分）IntheUnitedStates,30percentoftheadultpopulationhasa“weightproblem”.Tomanypeople,thecauseisobvious:theyeattoomuch.Butscientificevidencedoeslittletosupportthisidea.GoingbacktotheAmeri

　　Reading（2道小题,共30分）

　　IntheUnitedStates,30percentoftheadultpopulationhasa“weightproblem”.Tomanypeople,thecauseisobvious:theyeattoomuch.Butscientificevidencedoes

　　littletosupportthisidea.GoingbacktotheAmericaofthe1910s,wefindthatpeoplewerethinnerthantoday,yettheyatemorefood.Inthosedayspeopleworkedharder

　　physically,walkedmore,usedmachinesmuchlessanddidn’twatchtelevision.

　　Severalmodernstudies,moreover,haveshownthatfatterpeopledonoteatmoreontheaveragethanthinnerpeople.Infact,someinvestigations,suchasthe1979study

　　of3,545Londonofficeworkers,reportthat,onbalance,fatpeopleeatlessthanslimmerpeople.Studiesshowthatslimpeoplearemoreactivethanfatpeople.Astudybya

　　researchgroupatStanfordUniversitySchoolofMedicinefoundthefollowinginterestingfacts:Themorethemenran,themorebodyfattheylost.Themoretheyran,the

　　greateramountoffoodtheyate.Thus,thosewhoranthemostatethemost,yetlostthegreatestamountofbodyfat.(183words)

　　1.ThephysicalproblemthatmanyadultAmericanshaveisthat________.

　　A)theyaretooslim

　　B)theyworktoohard

　　C)theyaretoofat

　　D)theylosetoomuchbodyfat

　　2.Accordingtothearticle,given500adultAmericans,_______peoplewillhavea“weightproblem.”

　　A)30

　　B)50

　　C)100

　　D)150

　　3.Isthereanyscientificevidencetosupportthateatingtoomuchisthecauseofa“weightproblem?”

　　A)Yes,thereisplentyofevidence.

　　B)Ofcourse,thereissomeevidencetoshowthisistrue.

　　C)Thereishardlyanyscientificevidencetosupportthis.

　　D)Wedon’tknowbecausetheinformationisnotgiven.

　　4.IncomparisonwiththeadultAmericanpopulationtoday,theAmericansofthe1910s_______.

　　A)atemorefoodandhadmorephysicalactivities

　　B)atelessfoodbuthadmoreactivities

　　C)atelessfoodandhadlessphysicalexercise

　　D)hadmoreweightproblems