高考英语阅读理解选编51

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1、重庆市2017高考英语阅读理解选编（51）阅读理解。阅读下列短文，从给的四个选项（A、B、C和D）中，选出最佳选项。[2014-泰安高三二轮复习质量检测】HowieChoset,aroboticist,hasbeenresearchingandbuildingrobots,particularlysnakerobots,atPittsburgh'sCamegieMellonUniversityforyears.Chosetbelievesthathissnakerobotandotherslikeithelpreducemedicalcostsbymakingcomplexsurgeries（

2、夕卜禾斗手术）fasterandeasier.Chosetsayshisnewdesignissmallerandmoreflexiblethanearliermodels.Thesizeofsurgicalrobotsallowssurgeonstooperatewithfarlessdamagetothebody,helpingthepatienthealfaster.Forexample,insteadofopeningtheentirechestupduringheartsurgery,asmallholeismade,andathinroboticsnakecrawlsinsidet

3、otheproperspot.DrAshutoshTewariofCornellUniversityMedicalCenterhasusedrobotictoolstoperformthousandsofoperations.Tewarisaidhe'smostexcitedaboutthepotentialforsurgicalrobotstodothingshumanscan'tdo.Hesaidthevarietyofsensorsavailableforsurgicalrobotskeepsexpanding,evenastheygetsmaller.Hesaidtheymayoned

4、aybeabletotestchemicalsorbloodinthebody,oreventheelectricalconnectionsinnerves.Chosethasalsobuiltlargersnakerobotsdesignedforsearchandrescue,orjustexploration.Theycanclimbpolesortreesandthenlookaroundthroughacamerainthehead,andslidthroughplaceshumanscan'treach.AnotherexpertatCamegieMellonstressestha

5、tthere'sstillanenormousgapbetweenhumansandeventhemosthigh-techrobots.ManuelaVelosanotedthatrobotshavebeenbuiltthataregoodatoneortwotasks—butnotatthevarietyoftaskshumansperformwithouteventhinking.Velosahasbeenbuildingrobotsthataskhumansforhelpwhentheydon'tknowwhattodo,aswellasteamsofrobotsthatplaysoc

6、ceragainsteachother.Sometimes,therobotssurpriseherbyhavingoncedefeatedtheotherteam.“Itwasprogrammedbyme,butitlookedtomeasiftheylearned,"shesaid.“Ibelievewearemuchclosertohavingrobotsbeabletoexistwithhumanspeacefully.Thebeautifulthingisyouseetherobotslearning."1・HowdoesChosethelpsavemedicalcosts?A.By

7、changingthesizeofrobotsfrequently.B.Bydesigninglargersnakerobots・C.Bymakingcomplexsurgeriesfasterandeasier.D.Byimprovingthemodelsofearliersnakerobots・2.Themainadvantageofusingthethinsurgicalrobotis・A.