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1、2013高考英语（阅读理解）冲刺训练（6）及答案解析(第桃篇)THURSDAYJ,uly9(HealthDayNews)—Anewstudythatfoundthata1offercaloricdietslowedtheagingprocessinmonkeyscouldbethebestproofyetthatrestricteddietsmightdothesameforhumans.“Thebigquestioninagingresearchis,'Willcaloricrestrictioninspeciescloselyrel
2、atedtohumansslowaging?'"saidRichardWeindruch,seniorauthorofapaperappearingintheJuly10issueofScienee.Thisisthefirstcleardemonstrationthat,inaprimatespecies,we'reinducingaslowdownoftheagingprocess—showingincreasedsurvival,resistaneetodisease,lessbrainatrophyandlessmusclelo
3、ss・“Thispredictshumanswouldrespondsimilarly,naddedWeindruch,professorofmedicineattheUniversityofWisconsinandaninvestigatorattheVeteransHospitalinMadison.Anotherexpertnotedthat,despitesomehighlypublicizedstudiesincertainspecies,thelinkbetweenrestrictedeatingandIongerlifes
4、panhasbeenfarfromproven.“Theideathatdietaryrestrictionextendslifespaninallspeciesisnottrue・Manystrainsofratsandmicedonotrespond.Insomestrains,it'sactuallydeleterious,nexplainedFelipeSierra,directorofthebiologyofagingprogramattheUSNationalInstituteonAging(NIA),whichsuppor
5、tedthenewstudy.“Thefactthatitdoesn,tworkinsomemicebutitdoesseemtoworkinmonkeysissurprisinganditgivesushope・"Butthere'salargerquestion:howtochangehumans'increasinglylaxeatinghabits.“Thisfindingdoesn'tgivemehopethathumansaregoingtogointodietaryrestriction,"addedMarianneGra
6、nt,aregistereddietitianatTexasA&MHealthScienceCenterCoastalBendHealthEducationCenterinCorpusChristi.［语篇解读］这是一篇新闻报道，研究人员通过对动物的研究证明低热量的饮食可能会延长人的寿命。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长猴子的寿命，这一试验证明有节制的饮
7、食可能同样会延长人的寿命。［答案］A2.WhichofthefollowingstatementsaboutWeindruchistrue?A.Thisexperimentindicatesrestricteddietscouldextendhumans'lifespari.B.Adequatesleepisanotherwaytoreducethespeedofagingprocess.C.Theexperimentwasafailureinsomespeciessuchasmice・D.Theexperimentwhichhadbe
8、entestedonhumansgotagreatsuccess・［解析］细节理解题。根据第三段第一句话可知答案为Ao［答案］A3.AccordingtoFelipeSierra'sidea,weknowt
