PAGEPAGE92013届高考英语二轮专题总复习精选综合能力专练：浏览理解16THURSDAY,July9(HealthDayNews)—Anewstudythatfoundthatalowercaloriedietslowedtheagingprocessinmonkeyscouldbethebestproofyetthatrestricteddietsmightdothesameforhumans.“Thebigquestioninagingresearchis,‘Willcaloricrestrictioninspeciescloselyrelatedtohumansslowaging？’”saidRichardWeindruch,seniorauthorofapaperappearingintheJuly10issueofScience.Thisisthefirstcleardemonstrationthat,inaprimatespecies,we’reinducingaslowdownoftheagingprocess—showingincreasedsurvival,resistancetodisease,lessbrainatrophyandlessmuscleloss.“Thispredictshumanswouldrespondsimilarly，”addedWeindruch,professorofmedicineattheUniversityofWisconsinandaninvestigatorattheVeteransHospitalinMadison.Anotherexpertnotedthat,despitesomehighlypublicizedstudiesincertainspecies,thelinkbetweenrestrictedeatingandlongerlifespanhasbeenfarfromproven.“Theideathatdietaryrestrictionextendslifespaninallspeciesisnottrue.Manystrainsofratsandmicedonotrespond.Insomestrains,it’sactuallydeleterious，”explainedFelipeSierra,directorofthebiologyofagingprogramattheUSNationalInstituteonAging(NIA),whichsupportedthenewstudy.“Thefactthatitdoesn’tworkinsomemicebutitdoesseemtoworkinmonkeysissurprisinganditgivesushope.”Butthere’salargerquestion:howtochangehumans’increasinglylaxeatinghabits.“This_finding_doesn’t_give_me_hope_that_humans_are_going_to_go_into_dietary_restriction，”addedMarianneGrant,aregistereddietitianatTexasA&MHealthScienceCenterCoastalBendHealthEducationCenterinCorpusChristi.[语篇解读]这是一篇旧事报道，研讨人员经过对动物的研讨证明低热量的饮食可能会延伸人的寿命。1．Theunderlinedword“restricted”means“________”．A.limitedB.satisfiedC.reservedD.fascinated[解析]词义猜测题。根据第一段可知，低热量的饮食可以延伸猴子的寿命，这一实验证明有节制的饮食可能一样会延伸人的寿命。[答案]A2．WhichofthefollowingstatementsaboutWeindruchistrue?A.Thisexperimentindicatesrestricteddietscouldextendhumans’lifespan.B.Adequatesleepisanotherwaytoreducethespeedofagingprocess.C.Theexperimentwasafailureinsomespeciessuchasmice.D.Theexperimentwhichhadbeentestedonhumansgotagreatsuccess.[