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PassageOneAfterabusydayofworkandplay,thebodyneedstorest.Sleepisnecessaryforgoodhealth.Duringthistime,thebodyrecoversfromtheactivitiesofthepreviousday.Therestthatyougetwhilesleepingenablesyourbodytoprepareitselfforthenextday.Therearefourlevelsofsleep,eachbeingalittledeeperthantheonebefore.Asyousleep,yourmusclesrelaxlittlebylittle.Yourheartbeatsmoreslowly,andyourbrainslowsdown.Afteryoureachthefourthlevel,yourbodyshiftsbackandforthfromonelevelofsleeptotheother.Althoughyourmindslowsdown,fromtimetotimeyouwilldream.Scientistswhostudysleepstatethatwhendreamingoccurs,youreyeballsbegintomovemorequickly(Althoughyoureyelidsareclosed).ThisstageofsleepiscalledREM,whichstandsforrapideyemovement.Ifyouhavetroublefallingasleep,somepeoplerecommendbreathingverydeeply.Otherpeoplebelievethatdrinkingwarmmilkwillhelpmakeyoudrowsy.Thereisalsoanoldsuggestionthecountingsheepwillputyoutosleep!1.Agoodtitleforthispassageis____.[A]Sleep[B]GoodHealth[C]Dreams[D]WorkandRest2.Theworddrowsyinthelastparagraphmeans____.[A]sick[B]standup[C]asleep[D]alittlesleepy3.Thispassagesuggeststhatnotgettingenoughsleepmightmakeyou_____.[A]dreammoreoften[B]havepoorhealth[C]nervous[D]breathequickly4.DuringREM,____.[A]youreyesmovequickly[B]youdream[C]youarerestless[D]bothAandB5.Theaveragenumberofhoursofsleepthatanadultneedsis______.[A]approximatelysixhours[B]aroundtenhours[C]abouteighthours[D]notstatedhere标准答案：1：A文章的第一段谈到睡眠能使身体健康，第二段、第三段谈到睡眠的几种状态，最后一段谈到很快入睡的几种方法。因此整篇文章都围绕睡眠而谈，因此A为正确答案。2：Ddrowsy:瞌睡的，想睡的。因为上一句的意思是：“如果你睡觉有困难的话，有人建议慢慢的深深呼吸。”紧接着作者说：“另外一些人认为喝热牛奶能使你…,根据上下文应该选“瞌睡的”，因此只有D最符合题意。sick:有病的；standup:起立。asleep:睡着的。3：B答案在文章的第一段第二句话：“Sleepisnecessaryforgoodhealth.”意思是：“睡眠有利于身体健康。”因此本句的意思是睡眠不足有害健康。只有B最符合题意。4：D答案在第三段第二句话：“Scientistswhostudysleepstatethatwhendreamingoccursyoureyeballsbegintomovemorequickly.”意思是：“研究睡眠的科学家指出一个人做梦的时候眼球移动速度加快。”因此正确答案为D。5：D文章中没有谈到成年人的平均睡眠时间。PassageTwoImaginingbeingaskedtospendtwelveorsoyearsofyourlifeinasocietywhichconsistedonlyofmembersofownsex.Howwouldyoureact?Unlesstherewassomethingdefinitelywrongwithyou,youwouldn’tbetoohappyaboutit,tosaytheleast.Itisallthemoresurprisingthereforethatsomanyparentsintheworldchoosetoimposesuchabnormalconditionsontheirchildren–conditionswhichtheythemselveswouldn’tputupwithforoneminute!Anydiscussionofthistopicisboundtoquestiontheaimsofeducation.Stuffingchildren’sheadsfullofknowledgeisfarfrombeingforemostamongthem.Oneofthechiefaimsofeducationsistoequipfuturecitizenswithalltheyrequiretotaketheirplaceinadultsociety.Nowadultsocietyismadeupofmenandwomen,sohowcanasegregatedschoolpossiblyoffertherightsortofpreparationforit?Anyoneenteringadultsocietyafteryearsofsegregationcanonlybeinforashock.Aco-educationalschoolofferschildrennothinglessthanatrueversionofsocietyinminiature.Boysandgirlsaregiventheopportunitytogettoknoweachother,tolearntolivetogetherfromtheirearliestyears.Theyareputinapositionwheretheycancomparethemselveswitheachotherintermsofacademicability,athleticachievementandmanyoftheextra-curricularactivitieswhicharepartofschoollife.Whatapracticaladvantageitis(togivejustasmallexample)tobeabletoputonaschoolplayinwhichthemalepartswillbetakenbyboysandthefemalepartsbygirls!Whatnonsenseco-educationmakesoftheargumentthatboysareclevererthangirlorvice-versa.Whensegregated,boysandgirlsaremadetofeelthattheyarearaceapart.Rivalrybetweenthesexesisfostered.Inacoeducationalschool,everythingfallsintoitsproperplace.Butperhapsthegreatestcontributionofco-educationisthehealthyattitudetolifeitencourages.Boysdon’tgrowupbelievingthatwomenaremysteriouscreatures–airygoddesses,morelikebook-illustrationstoafairy-tale,thanhumanbeings.Girlsdon’tgrowupimaginingthatmenareromanticheroes.Yearsoflivingtogetheratschooldispelillusionsofthiskind.Therearenogoddesseswithfreckles,pigtails,piercingvoicesandinkyfingers.Therearenoromanticheroeswithknobblyknees,dirtyfingernailsandunkempthair.Theawkwardstageofadolescencebringsintosharpfocussomeofthephysicalandemotionalproblemsinvolvedingrowingup.Thesecanbetterbeovercomeinaco-educationalenvironment.Segregatedschoolssometimesprovidetherightconditionsforsexualdeviation.Thisishardlypossibleunderaco-educationalsystem.Whenthetimecomesforthepupilstoleaveschool,theyarefullypreparedtoentersocietyaswell-adjustedadults.Theyhavealreadyhadyearsofexperienceincopingwithmanyoftheproblemsthatfacemenandwomen.1.Whatisthebesttitleforthispassage?[A]onlyco-educationcanbeinharmonywithsociety.[B]peopleareingreatneedofco-education.[C]anyformofeducationotherthanco-educationissimplyunthinkable.[D]co-educationhasmanyfeatures.2.whatdoesco-educationoffertochildren?[A]Asociety.[B]Atruesmallmodelofsociety.[C]Areallife.[D]Trueversionofsocialcondition.3.Accordingtothepassage,whatisoneofthechiefaimsofeducation?[A]Itisforstudentstoacquireknowledge.[B]Itistoequipfuturecitizenswithscientifictechnology.[C]Itistoequipfuturecitizenswithwhatisrequiredingettingapositioninsociety.[D]Itisforstudentstogetacademicachievements.4.Whydoboysandgirlsinco-educationhavenoillusionabouteachother?[A]Theylivetogetherandknoweachothertoowell.[B]Yearsofliving