阅读理解IntheUnitedStates.30percentoftheadultpopulationhasa“weightproblem”.Tomanypeoplethecauseisclear:Weeattoomuch.Butscientificevidence(科学证明)doeslittleto
阅读理解
IntheUnitedStates.30percentoftheadultpopulationhasa“weightproblem”.Tomanypeoplethecauseisclear:Weeattoomuch.Butscientificevidence(科学证明)doeslittletosupportthisidea.GoingbacktotheAmericaof1910wefindthatpeoplewerethinnerthantodayyettheyatemorefood.Inthosedayspeopleworkedharderphysically(体力地)walkedmoreusedmachinesmuchlessanddidn’twatchtelevision.
Severalmodernstudiesmoreover(此外)haveshownthatfatterpeopledon’teatmoreonaveragethanthinnerpeople.Infactsomeinvestigationssuchasa1970studyof3545Londonofficeworkersreportthatonbalancefatpeopleeatlessthanslimmer(苗条)people.
Studiesshowthatslimpeoplearemoreactivethanfatpeople.AstudybyaresearchgroupatStanfordUniversitySchoolofMedicinefoundthefollowinginterestingfacts.
Themorethemenranthegreaterlossofbodyfat.
Themoretheyranthegreatertheirincreaseinfoodintake(吸收).
Thusthosewhoranthemostatethemostyetlostgreatestamountofbodyfat.
(1)
WhatkindofphysicalproblemdomanyadultAmericanshave?
[]A.
Theyaretooslim.
B.
Theyworktoohard.
C.
Theyaretoofat.
D.
Theylosetoomuchbodyfat.
(2)
Istherescientificevidencetosupporteatingtoomuchisthecauseofa“weightproblem”?
[]A.
Yesthereisplentyofevidence.
B.
Ofcoursethereissomeevidencetoshowthisistrue.
C.
Thereishardlyanyscientificevidencetosupportthis.
D.
Wedon’tknowbecausetheinformationisnotgive