小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comUnit2HealthyLifestyle单元素养评估A卷第一部分听力（共两节，满分30分）第二部分阅读理解（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项，并在答题纸上将该项涂黑。AResearcherssaygettingagoodnight’ssleepisprobablythebesttoolformemoryandlearning.Butshortperiodsofsleepmayhelpourbrainsworkbetter,saysarecentstudyonnapping.Andtakinganapmayalsohelpoldadultsfightoffage-relatedmemoryloss.CDC,anAmericanscientificorganization,foundthat50to70millionAmericanshavechronic(长期的)sleepdisorders.So,someonewhonapsasawayofpayingoffasleepdebtmaynotexperiencethesameimprovementsfromnappingasawell-restedpersonwould.Also,thatonlychildren,theveryold,sickorlazypeoplenapisnotanuncommonopinion.Researchersrecentlylookedatinformationprovidedbynearly3,000Chineseadults,aged65yearsorolder,tolearnifnappingafteramiddaymealhadanyeffectonthementalperformanceofthesubjects.First,theyaskedthepeopleiftheynappedandforhowlong.Then,basedontheiranswers,researchersputthemintofourgroups:non-nappers(0min),shortnappers(≤30mins),moderatenappers(30-90mins),andextendednappers(≥90mins).Nearly60%ofthepeoplesaidtheydidtakeanapafterlunchandthattheirnapslastedanywherefrom30to90minutes.Mostofthesubjectssaidtheynappedforaboutanhour.Thestudyfoundthatpeoplewhotookanhour-longnapdidmuchbetteronmentalteststhanthosewhodidnotnap.Thehour-longnappersalsodidbetterontheteststhanthosewhonappedforshorterandlongerperiods.Inthisstudy,itseemedthatthemosteffectivenaplastedforaboutanhour,butnotmuchlonger.YetDoctorMichaelTwerynotesthatanhour-longnapmaybetoolongforyoung,healthyadults.30minutesisenoughtoremovethepressuretosleepandwillhelpusfeelmoreawake.1.What’sthemainideaofthispassage?A.Gettingagoodnight’ssleepisprobablythebesttoolformemoryandlearning.B.Gettingrestduringthemiddleofthedayhelpsolderadults’brainsworkbetter.C.Takinganaphelpsbabiesandyoungchildrenlearnbetter.D.Nappinghelpsadultsfightoffage-relatedhealthproblems.2.Amongthefollowingpeoplewhonapsafterlunch,whoexperiencesthebestimprovement?A.Anewmotherwithherbabycryingformostofthenight.B.Auniversitystudentstayinguplateforthecomingexams.小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comC.Aschoolguardworkingonthenightshift.D.Aretiredteachergoingtobedat10p.m.andrisingat6a.m.3.Anapdoesbetterforhealthyandyoungadults.A.30-minuteB.60-minuteC.70-minuteD.90-minute【语篇导读】本文是一篇说明文。研究表明午饭后小睡一个小时对成年人,尤其是对老年人的学习和记忆力有好处。1.B主旨大意题。根据文章的内容,本文主要介绍的是午睡对成年人,尤其是对老人的精神、学习和记忆力的好处,故选B项。A项没有提到研究的对象;C项的对象是婴儿和小孩;D项的结果是fightoffage-relatedhealthproblems,不符合文章的主旨。2.D推理判断题。根据第二段中的“So,someonewhonapsasawayofpayingoffasleepdebtmaynotexperiencethesameimprovementsfromnappingasawell-restedpersonwould.”可知,想要靠午睡补觉的人比晚上休息好的人午睡效果要差。A、B、C三项都是晚上睡眠不好,需要补觉的人。故选D项。3.A推理判断题。根据最后一段中的“...anhour-longnapmaybetoolongforyoung,healthyadults.30minutesisenoughtoremovethepressuretosleepandwillhelpusfeelmoreawake.”可知,年轻且健康的成年人午睡30分钟休息效果最好。故选A项。BIt’s3o’clockandyou’vebeenhardatwork...