2024年大学英语六级真题试卷VIP免费

大学英语六级真题试卷PassageFourQuestions36to40arebasedonthefollowingpassage.RichardSatava,programmanagerforadvancedmedicaltechnologies,hasbeenadrivingforceinbringingvirtualrealitytomedicine,wherecomputerscreatea“virtual”orsimulatedenvironmentforsurgeonsandothermedicalpractitioners(从业者).“Withvirtualrealitywe’llbeabletoputasurgeonineverytrench,”saidSatava.Heenvisagedatimewhensoldierswhoarewoundedfightingoverseasareputinmobilesurgicalunitsequippedwithcomputers.ThecomputerswouldtransmitimagesofthesoldierstosurgeonsbackintheU.S.Thesurgeonswouldlookatthesoldierthroughvirtualrealityhelmets(头盔)thatcontainasmallscreendisplayingtheimageofthewound.Thedoctorswouldguideroboticinstrumentsinthebattlefieldmobilesurgicalunitthatoperateonthesoldier.AlthoughSatava’svisionmaybeyearsawayfromstandardoperatingprocedure,scientistsareprogressingtowardvirtualrealitysurgery.EngineersataninternationalorganizationinCaliforniaaredevelopingatele-operatingdevice.Assurgeonswatchathree-dimensionalimageofthesurgery,theymoveinstrumentsthatareconnectedtoacomputer,whichpassestheirmovementstoroboticinstrumentsthatperformthesurgery.Thecomputerprovidesfeedbacktothesurgeononforce,textures,andsound.Thesetechnologicalwondersmaynotyetbepartofthecommunityhospitalsettingbutincreasinglysomeofthemachineryisfindingitswayintocivilianmedicine.AtWayneStateUniversityMedicalSchool,surgeonLuciaZamoranotakesimagesofthebrainfromcomputerizedscansandusesacomputerprogramtoproducea3-Dimage.Shecanthenmaneuverthe3-Dimageonthecomputerscreentomaptheshortest,leastinvasivesurgicalpathtothetumor(肿瘤).Zamoranoisalsousingtechnologythatattachesaprobetosurgicalinstrumentssothatshecantracktheirpositions.Whilecuttingawayatumordeepinthebrain,shewatchesthemovementofhersurgicaltoolsinacomputergraphicsimageofthepatient’sbraintakenbeforesurgery.Duringtheseprocedures—operationsthataredonethroughsmallcutsinthebodyinwhichaminiaturecameraandsurgicaltoolsaremaneuvered—surgeonsarewearing3-Dglassesforabetterview.Andtheyarecommandingrobotsurgeonstocutawaytissuemoreaccuratelythanhumansurgeonscan.Satavasays,“Weareinthemidstofafundamentalchangeinthefieldofmedicine.”36.AccordingtoRichardSatava,theapplicationofvirtualrealitytomedicine________.A)willenablesurgeonstobephysicallypresentoneverybattlefieldB)canraisethespiritsofsoldierswoundedonthebattlefieldC)willgreatlyimprovemedicalconditionsonthebattlefieldD)canshortenthetimeforoperationsonsoldierswoundedonthebattlefield37.RichardSatavahasvisionsof________.A)usingaremote-controltechniquetotreatwoundedsoldiersfightingoverseasB)woundedsoldiersbeingsavedbydoctorswearingvirtualrealityhelmetsonthebattlefieldC)woundedsoldiersbeingoperatedonbyspeciallytrainedsurgeonsD)settingupmobilesurgicalunitsoverseas38.Howisvirtualrealitysurgeryperformed?A)Itisperformedbyacomputer-designedhighprecisiondevice.B)Surgeonswearvirtualrealityhelmetstoreceivefeedbackprovidedbyacomputer.C)Surgeonsmoveroboticinstrumentsbymeansofacomputerlinkedtothem.D)A3-Dimagerecordsthemovementsofthesurgeonsduringtheoperation.39.Duringvirtualrealityoperations,thesurgeoncanhaveabetterviewofthecutsinthebodybecause________.A)heislookingatthecutsonacomputerscreenB)thecutscanbeexaminedfromdifferentanglesC)thecutshavebeenhighlymagnifiedD)heiswearing3-Dglasses40.Virtualrealityoperationsareanimprovementonconventionalsurgeryinthatthey________.A)caus...