河南登封市高考英语阅读理解二轮练习选编1含答案

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1、2016河南登封市高考英语阅读理解二轮练习选编（1）含答案阅读理解。阅读下列短文，从给的四个选项（A、B、C和D）小，选出最佳选项。[2014-泰安高三二伦复习质量检测】HowieChoset,aroboticist,hasbeenresearchingandbuildingrobots,particularlysnakerobots,atPittsburgh^CarnegieMellonUniversityforyears・Chosetbelievesthathissnakerobotandotherslike

2、ithelpreducemedicalcostsbymakingcomplexsurgeries（夕卜禾斗手术）fasterandeasie匚Choselsayshisnewdesignissmallerandmoreflexiblethanearliermodels.Thesizeofsurgicalrobotsallowssurgeonstooperatewithfarlessdamagetothebody,helpingthepatienthealfaster.Forexample,insteadofope

3、ningtheentirechestupduringheartsurgery,asmallholeismade,andathinroboticsnakecrawlsinsidetotheproperspot.DrAshutoshTewariofCornellUniversityMedicalCenterhasusedrobotictoolstoperformthousandsofoperations.Tewarisaidhe'smostexcitedaboutthepotentialforsurgicalrobo

4、tstodothingshumanscan"do.Hesaidthevarietyofsensorsavailableforsurgicalrobotskeepsexpanding,evenastheygetsmaller.Hesaidtheymayonedaybeabletotestchemicalsorbloodinthebody,oreventheelectricalconnectionsinnerves.Chosethasalsobuiltlargersnakerobotsdesignedforsearc

5、handrescue,orjustexploration.Theycanclimbpolesortreesandthenlookaroundthroughacamerainthehead,andslidthroughplaceshumanscan5treach.AnotherexpertatCarnegieMellonstressesthatthere'sstillanenormousgapbetweenhumansandeventhemosthigh-techrobots.ManuelaVelosanotedt

6、hatrobotshavebeenbuiltthataregoodatoneortwotasks一butnotatthevarietyoftaskshumansperformwithouteventhinking.Velosahasbeenbuildingrobotsthataskhumansforhelpwhentheydon'tknowwhattodo,aswellasteamsofrobotsthatplaysocceragainsteachother.Sometimes,therobotssurprise

7、herbyhavingoncedefeatedtheotherteam・Ttwasprogrammedbyme,butitlookedtomeasiftheylearnedt"shesaidflbelievewearemuchclosertohavingrobotsbeabletoexistwithhumanspeacefully.Thebeautifulthingisyouseetherobotslearning：1•HowdoesChosethelpsavemedicalcosts?A.Bychangingt

8、hesizeofrobotsfrequently.B・Bydesigninglargersnakerobots・C.Bymakingcomplexsurgeriesfasterandeasier.D・Byimprovingthemodelsofearliersnakerobots.2・Themainadvantageofusingthethinsurgicalroboti