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第PAGE\*MERGEFORMAT8页共NUMPAGES\*MERGEFORMAT8页 2021年12月英语四级阅读真题及答案第2套段落匹配 IsBreakfastReallytheMostImportantMealoftheDay?A)Alongwitholdclassicslike"carrotsgiveyounightvision"and"Santadoesn'tbringtoystomisbehavingchildren",oneofthemostwell-wornphrasesoftiredparentseverywhereisthatbreakfastisthemostimportantmealoftheday.Manyofusgrowupbelievingthatskippingbreakfastisaseriousmistake,evenifonlytwothirdsofadultsintheUKeatbreakfastregularly,accordingtotheBritishDieteticAssociation,andaroundthree-quartersofAmericans.B)"Thebodyusesalotofenergystoresforgrowthandrepairthroughthenight,"explainsdietspecialistSarahElder."Eatingabalancedbreakfasthelpstoupourenergy,aswellasmakeupforproteinandcalciumusedthroughoutthenight."Butthere'swidespreaddisagreementoverwhetherbreakfastshouldkeepitstopspotinthehierarchy(等级)ofmeals.Therehavebeenconcernsaroundthesugarcontentofcerealandthefoodindustry'sinvolvementinpro-breakfastresearch--andevenoneclaimfromanacademicthatbreakfastis"dangerous".C)What'sthereality?Isbreakfastanecessarystarttothedayoramarketingtacticbycerealcompanies?Themostresearchedaspectofbreakfast(andbreakfast-skipping)hasbeenitslinkstoobesity.Scientistshavedifferenttheoriesastowhythere'sarelationshipbetweenthetwo.InoneUSstudythatanalysedthehealthdataof50,000peopleoversevenyears,researchersfoundthatthosewhomadebreakfastthelargestmealofthedayweremorelikelytohavealowerbodymassindex(BMI)thanthosewhoatealargelunchordinner.Theresearchersarguedthatbreakfasthelpsreducedailycalorieintakeandimprovethequalityofourdiet--sincebreakfastfoodsareoftenhigherinfibreandnutrients.D)Butaswithanystudyofthiskind,itwasunclearifthatwasthecause--orifbreakfast-skipperswerejustmorelikelytobeoverweighttobeginwith.Tofindout,researchersdesignedastudyinwhich52obesewomentookpartina12-weekweightlossprogramme.Allhadthesamenumberofcaloriesovertheday,buthalfhadbreakfast,whiletheotherhalfdidnot.Whattheyfoundwasthatitwasn'tbreakfastitselfthatcausedtheparticipantstoloseweight:itwaschangingtheirnormalroutine.E)If
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