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1Unit3LifeinthefutureⅠ.单项填空1．Jackisnotverydecisive,andhealwaysfindshimselfina________asifhedoesn’tknowwhathereallywantsto.A．fantasyB．contradictionC．dilemmaD．conflict答案C解析考查名词词义辨析。句意为：杰克很不果断，他总是觉得自己处在进退两难的境地，好像他不知道自己真的想干什么。fantasy幻想；contradiction矛盾；dilemma困境，进退两难；conflict冲突，矛盾。dilemma符合句意。2．Theytriedtofindatablefortwo.Buttheywereall________.A．givenawayB．keptawayC．takenupD．usedup答案C解析考查动词短语辨析。句意为：他们设法找到两个人的桌子，但它们都被占了。giveaway发出，分发；keepaway使不靠近；takeup占据，占用；useup用尽。3．Howmuchoneenjoyshimselftravellingdependslargelyon________hegoeswith，whetherhisfriendsorrelatives.(2010·四川，14)A．whatB．whoC．howD．why答案B解析句意为：一个人在旅游中的高兴程度在很大程度上取决于他是和谁一起去的，不管是他的朋友还是亲戚。介词on后跟宾语从句，从句中缺少介词with的宾语，应用连接代词，排除C、D两项；由句意知应选B项。4．Ifwewanttoarriveatthevillageontime，we’dbetter________.A．sweepupB．speedupC．callupD．turnup答案B2解析speedup加速，符合句意。sweepup清扫，掠过；callup给……打电话，使回忆起；turnup出现，找到，调高(音量等)。5．Hisheadsoonappearedoutofthewindowofthesecondfloor，________hecouldseenothingbuttrees.A．fromwhereB．fromwhichC．whichD．there答案A解析考查“介词＋关系副词”。fromwhere指从窗户所在的地方，相当于fromthere。6．Henryrushedhome________heheardthenews，only________thathishousehadbeenburntdown.A．assoonas；findingB．immediately；tofindC．themoment；findD．when；found答案B解析考查状语从句。句意为：Henry一听到消息就跑回了家，结果发现自家的房子被烧毁了。第一空可用从属连词immediately，assoonas或themoment引导时间状语从句，表示“一……就……”；第二空应该用动词不定式作状语，表示意外的结果。结合选项可知选B。7．—Couldyoupleasetellmetheanswertothisquestion?—________！Itisnotmystyletohelppeoplecheat.A．NoproblemB．NowayC．NotatallD．Nodoubt答案B解析根据答语中的“Itisnotmystyletohelppeoplecheat.”可知，设空处应该表示拒绝对方的请求，故B项正确。句意为：——请你告诉我这道题的答案，好吗？——没门儿，帮人作弊不是我的风格。8．Iftheywinthefinaltonight，theteamaregoingtotouraroundthecity________bytheirenthusiasticsupporters.(2011·浙江，19)A．beingcheeredB．becheeredC．tobecheeredD．werecheered答案C3解析分析句式结构可知，________bytheirenthusiasticsupporters在句中作伴随状语，空格后的by提示cheer与theteam之间是逻辑上的动宾关系，且事情还没有发生，所以用动词不定式的被动语态形式。句意为：如果他们今晚赢得了决赛，这个队就会全城游行，接受热情支持者们的喝彩。9．Tom________inthelibraryeverynightoverthelastthreemonths.A．worksB．workedC．hasbeenworkingD．hadbeenworking答案C解析句意为：在过去的三个月里，汤姆每天晚上都在图书馆工作。根据时间状语overthelastthreemonths可知，本句应该用现在完成进行时，故C项正确。A项为一般现在时；B项为一般过去时；D项为过去完成进行时。10．Thecorridor(走廊)wassonarrowthatIhadto________myselfagainstthewalltoletthempass.A．pullB．pressC．defendD．prevent答案B解析press...against把……贴在……；defend...against保卫……免受伤害；prevent...fromdoing...阻止……做……。11．Wecouldhardlybelievewhatshesaysbecausesheis________changinghermind.A．regularlyB．steadilyC．suddenlyD．constantly答案D解析句意为：我们几乎不能相信她说的话，因为她总是不断地改变主意。regularly定期地；steadily稳定地；suddenly突然；constantly不断地。12．Thesweaterthatmymumknittedforthebaby________twicethesizeofwhatitshouldhavebeen.Ithadtobekeptforlateruse.A．endedupB．broughtupC．cameupD．tookup答案A解析考查动词短语辨析。句意为：我妈妈为婴儿织的那件毛衣结果大了一倍，不得不留作以后用。endup表示“最后处于”。13．Itisgoodmannerstoeatup________isleftinyourplate.A．thatB．whatC．whichD．all4答案B解析考查宾语从句的连接词。此处what在宾语从句中作主语。句意为：吃干净你盘子里的剩东西是礼貌行为。14．Wehaven’tdiscussedyet________wearegoingtoplaceournewfurniture.A．thatB．whichC．whatD．where答案D解析句意为：我们尚未讨论我们将把新家具安置在哪儿。discussed后的宾语从句的主、谓、宾成分完整，只有where可以在宾语从句中作地点状语，故D项正确。15．Heiswillingtohavedinnerintherestaurantbecausehealwaysgetswell________there.A．servingB．tobeservedC．beingservedD．served答案D解析考查特殊形式的被动语态。get有时相当于be，可与过去分词连用，构成被动语态，此处getswellserved相当于iswellserved。Ⅱ.阅读理解Itislateatnightandyouarestillawake.Shouldyoutakeasleepingpill？Peoplewhotakepillsoftencometodependonthedrugs.Soyoulieawakeknowingthatthenewworkdaywillsoonarrive.Ifthishappenstoyouforatleastonemonth，youmayhaveprimaryinsomnia.Therearemillionsofyou...us...aroundtheworld.Anewstudyhasfoundthatyoumightfallasleepquickerandstayasleeplongerifyoutry“cerebralhypothermia”．No，cerebralhypothermiaisnotacomplexmedicalprocess.Itjustmeanscoolingdownyourbrain.EricNofzingerandDanielBuysseoftheUniversityofPittsburghMedicalSchoolledthestudy.Theyexaminedtwelvepeoplewhohadinsomnia.Twelveothershadnosleepproblems.Eachofthemworeasoftplasticcapontheirheadsatbedtime.Thecapshadtubesinsidefilledwithwater.Theresearchersmovedthewaterthroughthetubesandthenchangedthetemperatureofthewater.Otherstudiesshowedthatpeoplewhohadtroublesleepingoftenhadmorechemicalreactionsinthefrontoftheirbrains.Theresearchersthoughtloweringthetemperatureofthebrainmighthelp.Thefirsttwonightsoftesting，thepatientsworenowatercaps.Duringthenexttwonights，thecapswereworn，butthewaterwasnotcooled.Thentheresearcherscooledthewateralittlefortwonights.Onthefinaltwonightsofthestudy，5thetemperatureofthewaterwasmademuchcooler.TheresearchersfoundthatthewatercapsdidnothelptheinsomniapatientsuntilthetemperaturewasaboutfourteendegreesCelsius.Mostofthepatientsfellasleepfasterandsleptbetterwhenthecoolestwaterwasmovingaroundtheirheads.Dr.NofzingerandDr.Buyssenotedthatthisisonlythebeginningofthebraintemperaturestudy.Buttheybelievetheyhavediscoveredsomethingimportantthatneedsmoreresearch.TheypresentedtheirtestresultsinJuneatameetingoftheAssociatedProfessionalSleepSocietiesinMinneapolis，Minnesota.1．Whatisthepassagemainlyabout?A．Howtodealwithsleepproblems.B．Coolingthebrainmayhelppeoplesleep.C．Howthewaterfilledcapswork.D．Howtocooldownthebrain.答案B解析主旨大意题。综观全文可知，本文介绍了一项实验成果：