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高中英语学习材料（灿若寒星*制作整理）Unit3同步检测Ⅰ.阅读理解Humans：it’stimetoabandonEarthorraceextinction.Itcouldbetheplotofasummerblockbuster(大片)，butthispredictionisn’tsciencefiction.It’saglimpseofthefuture，accordingtofamousBritishscientistStephenHawking.“Iseegreatdangersforthehumanrace，”hesaidinaninterviewwithglobalforumBigThink.“Therehavebeenanumberoftimesinthepastwhenitssurvivalhasbeenaquestionoftouchandgo.”“Ibelievethatthelong-termfutureofthehumanracemustbeinspace，”hesaid.“ItwillbedifficultenoughtoavoiddisastersonplanetEarthinthenexthundredyears，letalonethenextthousand，ormillion.”Hawking，whowasawardedthePresidentialMedalofFreedomlastyear，hasrecentlyvoicedmanyconcernsaboutthefutureoflifeonEarth.“Ifaliensvisitedus，theoutcomewouldbeasmuchaswhenColumbuslandedinAmerica，whichdidn’tturnoutwellfortheNativeAmericans，”hesaid.“Suchadvancedalienswouldperhapsbecomenomads(游牧民)，lookingtoconquerandcolonizewhateverplanetstheycanreach.”ButHawkingsayshe’sstillhopefulforthefutureofhumanity.HetoldBigThink，“We’vemaderemarkableprogressinthelasthundredyears.Butifwewanttocontinuebeyondthenexthundredyears，ourfutureisinspace.”Gettingtoanotherplanetwillproveachallenge，nottomentioncolonizingitforhumanity.KatherineFreesefromUniversityofMichigantoldBigThink，“TheneareststartoEarthisProximaCentauri(比邻星)whichis4.2lightyearsaway.Thatmeans，ifyouweretravelingatthespeedoflightthewholetime，itwouldtake4.2yearstogetthere－orabout50，000yearsusingcurrentrocketscience.”【文章大意】文章主要介绍了英国著名的科学家斯蒂芬·霍金对人类未来的预测。1．HumansareadvisedtoabandonEarthmainlybecause________．A．alienswilltakeupourhomeplanetsoonB．itwasdiscussedintheforumBigThinkC．manyscientistslikeHawkingareconcernedaboutitD．manydisasterswillhappenonEarth解析：选D。细节理解题。根据文章第四段中的“ItwillbedifficultenoughtoavoiddisastersonplanetEarthinthenexthundredyears，letalonethenextthousand，ormillion.”可知，在接下来的几百年中地球上会有许多灾难发生。故答案为D。2．Thinkingaboutthefutureofhumans，Hawkingfeelsthat________．A．humanscan’tliveonEarthanylongerB．EarthwillnotbehabitableforhumansC．otherplanetsarereadyforhumanstoreachD．aliensarethebiggestfuturethreattohumans解析：选B。推理判断题。根据文章第七段中的“We’vemaderemarkableprogressinthelasthundredyears.Butifwewanttocontinuebeyondthenexthundredyears，ourfutureisinspace.”可知，我们虽然在过去的几百年中取得了卓越的进步，但是如果我们要在接下来的几百年中继续延续这种进步，我们将来的生活空间在太空。据此可以推断出，未来地球将不再适合人类居住。故答案为B。3．Whatisthewriter’skeypointinthelastparagraph?A．Itisimpossibletogettoanotherplanetinspace.B．ItisurgentforHawkingtodevelopthespacescience.C．Thenearfuturecan’tseehuman’smovetoanotherplanet.D．TheplanetProximaCentauriisfarawayfromEarth.解析：选C。推理判断题。根据文章最后一段的内容可知，人类借助现在的火箭科学技术，短时间内是不可能到达离地球最近的ProximaCentauri(比邻星)的，所以人类搬去另外一个星球在不远的将来是不会实现的。故答案为C。4．Thispassageismostprobablytakenfrom________．A．aconferenceinterviewB．asciencefictionC．ahistorybookD．aforumreport解析：选D。推理判断题。文章主要介绍了斯蒂芬·霍金对人类未来的预测，是在globalforumBigThink上发表的自己的看法与观点，故文章最有可能摘自论坛报告。答案为D。Ⅱ.七选五补缺题RulesOnHowToBeAFitKidBeingfitisawayofsayingapersoneat...