（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.