高考英语专题完形填空训练集模拟试题第二节：完形填空（共20小题：每小题1.5分，满分30分）阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C和D）中，选出最佳选项。Atthebeginningofthiscentury,medicalscientistsmadeaninterestingdiscovery;wearebuiltnotjustoffleshandbloodbutalsooftime.Theywere36toshowthatweallhave“abodyclock”37us,whichcontrolsthe38andfallofourbodyenergies,39usdifferentfromonedayonetothenext.The40of“abodyclock”shouldnotbetoo41sincethelivesofmostlivingthingsarecontrolled42the24hournight-and-daycycle.Wefeel43andfallasleepatnightandbecome44andenergeticduringtheday.Ifthe24hour-cycleis45,mostpeopleexperienceunpleasant46.Forexample,peoplewhoarenot47toworkingatnightcanfindthat48ofsleepcausesthemto49badlyatwork.50thedailycycleofsleepingand51,wealsohaveothercycleswhich52longerthanoneday.Mostofuswould53thatwefeelgoodonsomedaysandnotsogoodon54;sometimesourideasseemtoflowandatothertimes,they55donotexist.36．A．anxiousB．ableC．carefulD．proud37．A．insideB．aroundC．betweenD．on38．A．movementB．supplyC．useD．rise39．A．showingB．treatingC．makingD．changing40．A．inventionB．opinionC．storyD．idea41．A．difficultB．excitingC．surprisingD．interesting42．A．fromB．byC．overD．during43．A．dullB．tiredC．dreamyD．peaceful44．A．regularB．excitedC．livelyD．clear45．A．disturbedB．shortenedC．resetD．troubled46．A．momentsB．feelingsC．sensesD．effects47．A．preventedB．allowedC．expectedD．used48．A．missB．noneC．lackD．need49．A．performB．showC．manageD．control50．A．WithB．AswellasC．ExceptD．Ratherthan51．A．workingB．movingC．livingD．waking52．A．repeatB．remainC．lastD．happen53．A．agreeB．believeC．realizeD．allow54．A．otherB．theotherC．allotherD．others55．A．justB．onlyC．stillD．yet答案解析36【答案】B【解析】上文提到本世纪初，科学家们就已经发现人体不仅有血肉组成，还有时间。因此，根据这个发现，他们能够证明在人体内存在生物钟。beanxioustodo渴望做某事，此处没有强调科学家的心理活动，故排除。37【答案】A【解析】根据常识及文中第一句we’rebuiltnotjustoffleshandbloodbutalsooftime.可知答案。38【答案】D【解析】空格上所缺词应与and后面的