- 阅读理解A
题干：Manyadultsmaythinkthey’regettingenoughshut-eye,butinamajorsleepstudyalmost80percentofrespondentsadmittedtonotgettingtheirprescribedamountofnightlyrest.Researchshowsthatadultsneedanaverageofseventoninehoursofsleepanightforoptimalfunctionality.Bygettinglessthansixhoursofsleepanight,youputyourselfatriskforhighbloodpressure.Whenyousleep,yourheartgetsabreakandslowsdownforasignificantperiodoftime.Butcuttingbackonsleepmeansyourhearthastoworkovertimewithoutitsallottedbreak.Inconstantlydoingso,yourbodymustaccommodatetoitsnewconditionsandelevateyouroveralldailybloodpressure.Andtheheartisn’ttheonlyorganthatisovertaxedbyalackofsleep.Thelesssleepyouget,thelesstimethebrainhastoregulatestresshormones,andovertime,sleepdeprivationcouldpermanentlyhinderthebrain’sabilitytoregulatethesehormones,leadingtoelevatedbloodpressure.Prolongedsleepdeprivationhaslongbeenassociatedwithdiminishedimmunefunctions,butresearchershavealsofoundadirectcorrelationbetween“modest”sleepdeprivation—lessthansixhours—andreducedimmuneresponse.DuringdeepREMsleep,yourmuscles(exceptthoseintheeyes)areessentiallyimmobilizedinordertokeepyoufromactingoutonyourdreams.Unfortunately,thiseffortyourbodymakestokeepyousafewhiledreamingcansometimesbackfire,resultinginsleepparalysis.SleepparalysisoccurswhenthebrainisarousedfromitsRMRcycle,butthebodyremainsinitsimmobilizingstate.Thiscanbequiteafrighteningsensationbecause,whileyourmindisslowlyregainingconsciousness,ithasnocontroloveryourbody,leavingsomewithafeelingofpowerlessness,fearandpanic.Imagineallofyourmemoriesareerased.It’sachillingthought,butthatiswhatalifewithoutsleepwouldbelike.Sleepisessentialtothecognitivefunctionsofthebrain,andwithoutit,ourabilitytoconsolidatememories,learndailytasks,andmakedecisionsisimpairedbyalargedegree.ResearchhasrevealedthatREMsleep,ordream-sleep,helpssolidifythe“fragile”memoriesthebraincreatesthroughoutthedaysothattheycanbeeasilyorganizedandstoredinthemind’slong-termcache.
题目：According to the passage, with which of the following statements would the author most likely agree?（） - A 、Persons who suffer from a sleep disorder do not necessarily consult with their physician
- B 、Persons who are sleep deprived are more vulnerable to respiratory problems like the common cold and influenza
- C 、Poor sleep habits can affect people’s risk of becoming overweight in the short run
- D 、The identification of sleep deprivation in nurses is not so important as in drivers for maintaining safe
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参考答案【正确答案：B】
推断作者观点。整篇文章都在讨论睡眠不足所带来的后果：高血压（第二段），免疫功能下降（第三段），睡眠瘫痪（第四段），丧失记忆（第五段）。第三段着重讨论睡眠不足导致免疫功能下降，如果免疫功能下降，那么，睡眠不足的人群就易于患上呼吸系统疾病，如普通感冒和流感。由此可以推出作者同意B项。
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