职称英语卫生类阅读专项训练题2018年职称英语卫生类阅读专项训练题Learninganylanguagetakesalotofeffort.butdon'tgiveup.以下是小编为大家搜索整理的2018年职称英语卫生类阅读专项训练题，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!SleepingPeoplewhosleepformorethaneighthoursanightdonotliveaslongasthosewhosleepforsixhours,accordingtothebiggeststudyyetintosleeppatternsandmortality(死亡率).Scientistshavenoexplanationforthefindingsanddonotknowiftheymeanpeoplewholikealie-in(睡懒觉)canextendtheirlivesbysleepingless.Althoughitisacommonbeliefthatsleepingforatleasteighthoursanightisvitalforhealthandwell-being,thesix-yearstudyinvolvingmorethan1.1millionAmericansolderthan30foundthatthosewhosleptforlessthaneighthourswerefarfromdoingthemselvesanylong-termharm."Individualswhonowaverage6.5hoursofsleepanightcanbereassuredthatthisisasafeamountofsleep.Fromahealthstandpoint,thereisnoreasontosleeplonger,"saidDanielKripke,aprofessorofpsychiatry(精神病学)attheUniversityofCalifornia,SanDiego.Dr.Kripkesaid,"Wedon'tknowiflongsleepperiodsleadtodeath.Additionalstudiesareneededtodetermineifsettingyouralarmclockearlierwillactuallyimproveyourhealth."Thescientists,whowerefundedbytheAmericanCancerSociety,foundthatthebestsurvivalrateswereamongthemenandwomenwhosleptforsevenhoursanight.Thosewhosleptforeighthourswere12percentmorelikelytodieduringthesix-yearperiodofthestudy,whenotherfactorssuchasdietandsmokingweretakenintoaccount.Eventhosewhospentamerefivehoursanightinbedlivedlongerthanthosewhoslepteightormorehours.However,anincreasingdeathratewasfoundamongthosewhosleptforlessthanfivehours.Dr.Kripkesaid,"Previoussleepstudieshaveindicatedthatbothshort-andlong-duration(持续时间)sleephadhighermortalityrates.However,noneofthosestudieswerelargeenoughtodistinguishthedifferencebetweensevenandeighthoursanight,untilnow."1MorethanonemillionAmericansparticipatedinthesix-yearstudy.ARightBWrongCNotmentioned2AlltheparticipantswerefromthestateofCalifornia.ARightBWrongCNotmentioned3Thestudyshowsthatthelongeryousleepeachnight,thelongeryou'llliveARightBWrongCNotmentione