【阅读理解IntheUnitedStates,30percentoftheadult(成年人)populationhasa“weightproblem”.Tomanypeople,thecauseisclear:weeattoomuch.Butscientificevidence(证据)doeslittletosupportthisidea.Goingba】

　　阅读理解

　　IntheUnitedStates,30percentoftheadult(成年人)populationhasa“weightproblem”.Tomanypeople,thecauseisclear:weeattoomuch.Butscientificevidence(证据)doeslittletosupportthisidea.GoingbacktotheAmericaof1910,wefindthatpeoplewerethinnerthantoday.Yettheyatemorefood.Inthosedays,peopleworkedharderphysically,walledmore,usedmachinesmuchless,anddidn’twatchTV.

　　Severalmodernstudies,moreover,haveshownthatfatterpeopledonoteatmoreonaverage(平均地)thanthinnerpeople.Infact,someinvestigations(调查),suchasa1979studyof3545Londonofficeworkers,reportsthatfatpeopleeatlessthanslimmerpeople.

　　Studiesshowthatslimpeoplearemoreactivethanfatpeople.AstudybyaresearchgroupatStandfordUniversitySchoolofMedicinefoundthefollowinginterestingfacts:

　　Themorethemenran,themorefattheylost.

　　Themoretheyran,themoretheyate.

　　Thus,thosewhoranthemostatethemost,yetlostthegreatestamountofbodyfat.

　　1．WhatkindofphysicalproblemdomanyadultAmericanshave?________.

　　[]

　　A．Theyaretoothin

　　B．Theyworktoohard

　　C．Theyaretoofat

　　D．Theylosetoomuchbodyfat

　　2．Accordingtotheinformationgiveninthepassage,among500Americans,howmanyhaveweightproblem?

　　[]

　　A．30B．50C．100D．1503．Whichofthefollowingwordscantaketheplaceofthewordsliminthispassage?

　　[]

　　A．poorB．thinC．healthyD．rich4．Comparedwith(与……相比)theadultAmericanpopulationtoday,theAmericansof1910________.

　　[]

　　A．atemorefoodandhadmorephysicalactivities

　　B．atelessfoodbuthadmoreactivities

　　C．atelessandhadlessphysicalexercise

　　D．hadmoreweightproblems

　　5．Whathavemodernmedicalandscientificresearchesreportedtous?

　　[]

　　A．Fatpeopleeatlessfoodandarelessactive.

　　B．Fatpeopleeatmorefoodthanslimpeoplebutarelessactive.

　　C．Fatpeopleeatmorefoodthanslimpeoplebutaremoreactive.

　　D．Thinpeoplerunless,buthavegreaterincreaseinfoodintake.