（河南省郑州外国语学校2010届高三上学期第三次月考）（C）Schoolshavebeenblamedforgivingkidsaccesstosodainvendingmachines(自动售货机).Butnewdatasuggestthatschoolsoftdrinksalesmayn
（河南省郑州外国语学校2010届高三上学期第三次月考）
（C）
Schoolshavebeenblamedforgivingkidsaccesstosodainvendingmachines(自动售货机).Butnewdatasuggestthatschoolsoftdrinksalesmaynotbeanimportantfactorinhowmuchsodakidsdrink.
InthecurrentissueofTheJournalofNutritionEducationandBehaviorresearcherscomparedsodaconsumptionamongnearly500studentsinMainewhoattendedsevenschoolsovertwoschoolyears.Fouroftheschoolscutbackonsoftdrinkavailabilityattheschoolswhilethreeoftheschoolsmadenochanges.
Allthestudentsweredrinkinglesssodabytheendofthestudyperiodbuttherewerenomeaningfuldifferencesinoverallsoftdrinkconsumptionamongthedifferentschools.Thedatasuggestthatlimitingsoftdrinkavailabilityatschooldoesn’tresultinmeaningfulchangesindrinkconsumptionpatterns.Whiletherewerenochangesinoverallsodaconsumptiontherewasanotableshiftindietsodadrinkingamonggirls.Iftheschoolcutbackonsodaavailabilitygirlswerelesslikelytodrinkdietsodacomparedtogirlsinschoolsthatmadenochanges.
Thedataarethelatesttosuggestthatschoolsmaynotplayasbigofaroleinkids’pooreatinghabitsaswidelybelieved.LastyearTheAmericanJournalofPublicHealthpublishedaprovocative(引起争论的)studyshowingthatchildhoodweightproblemsoftengetworseinthesummerwhenkidsareoutofschool.
Datafromkindergartenersandfirstgradersfoundthatbodymassindex(指数)increasedtwotothreetimesasfastinsummerasduringtheregularschoolyear.Minoritychildrenwereespeciallyatriskaswerechildrenwhowerealreadyoverweight.
Evenchildrenwhoweretoothinandneededtogainweightappearedtohavebettereatinghabitsduringtheschoolyear.Theyactuallygainedmoreweightwhileinschoolandlessinthesummer.
Evensomuchofthefocusonchildhoodnutritionandobesity(肥胖)remainsinthenation’sschools.TodayTheTimesreportedthateventheschoolbakesaleisdisappearingasdistrictsimposestrictstandardsonthefoodservedonschoolgrounds.
64.WhatcanbelearnedfromTheJournalofNutritionEducationandBehavior?
A.Softdrinkremainsaprobleminschools.
B.Girlstendtoconsumelesssodaatschool.