大学英语六级仔细阅读练习题.doc

大学英语六级仔细阅读练习题.doc

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1、大学英语六级仔细阅读练习题(1)  Questions56to60arebasedonthefollowingpassage.  3Dglasseshelpdoctorsperforminvasivesurgerywhentheirhandsareobscuredfromview.  Moviegoersaren'ttheonlyoneswearing3Dglassesnowadays—doctorscouldbenefitfromthem,too,anewstudysuggests.  Inthepast,doctorshavebeenskeptica

2、lofusing3Dtechnologyintheirwork,preferringtorelyontheirownexperience.Butthatmaychange,thankstoimproved3Dglassesandevenglasses-freesystems.Fundedbyindustrysponsors,thestudyof50surgeonsusingthenewtechnologyshowedimprovementsinsurgicalprecisionandspeed.  "Whilethetechnologystillrequ

3、iressomefree-tuning,technologywithouttheneedtowearspecialglasseswillincreasethepopularityof3Dsystemsinoperatingrooms,"studyleaderUlrichLeineroftheFratmhoferHeinrichHertzInstitute(HHI)inBerlinsaidinastatement.  Improvementstoscreensaredrivingdevelopmentsin3Dtechnology.High-definit

4、ionscreensarealreadyavailable.Thenextstepisultra-highdefinition,withasixteenfoldimprovementinresolution,accordingtostudyco-authorMichaelWitteofHHI.  Toevaluatewhethernew3Dtechnologywasreadyforhospitalapplications,researchersinvitedsurgeonsfromtheKlinikumrechtsderIsar'ssurgicalhos

5、pitaltotestitout.Aleadingendoscopemanufacturerandaninternationaldisplaycompanyfundedthestudy.  Thesurgeonstestedfourdifferentsystems:2D,3Dwithglasses,3Dwithoutglassesandamirror-based3Dsystem.Theglasses-freemodelreliedonaneye-trackingcamerasystemthatdeliveredseparateimagestoeachey

6、e,creatinga3Deffectinthebrain.  Theimagescamefromendoscopiccamerasusedinsurgery.Thedoctorspracticedasimulated,routinesurgicalprocedureinwhichtheysewedupawoundinamodelpatient'sstomachusinganeedleandthread.Justasinaminimallyinvasivesurgery,theirhandswereobscuredfromviewandtheyrelie

7、d  onthescreentoseewhattheyweredoing.  "Theresultswereastonishing,"HubertusFeuner,oftheKlinikumrechtsderIsaruniversityhospitalinMunich,saidinastatement.Thewinningsurgeonperformedtheprocedurein15percentlesstimeandwithconsiderablyincreasedprecision,Feunersaid.  Themostsurprisingthi

8、ngwasthatnotonlyyoungsurgeonsbenefited,b

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