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1、Unit10Part18ReadingComprehension(MultipleChoice)Directions:ReadthefollowingpassagescarefullychoosethebestanswerfromthefourchoicesmarkedABCD.Passage1DuringthelongvacationIwasacceptedasabusconduct.Ilastedaboutthreeweeks.Th

2、eroutesthroughtownweremethanthemindcouldstevenintheoffpeakhours.AllthebusesfromourstationeveryotherstationwouldbecrawlingnosetotailthroughthetownwhiletheentirewkingpopulationofSydneyfoughttogetaboard.Itwashotthatsummer:1

3、00Fahrenheit(華氏)everyday.Insidethebusitwas30hotterstill.Itwassojammedinsidethatmyfeetwerenttouchingtheflo.Therewasnohopeofcollectinganyfares.AteachstopitwasallIcoulddotoreachthebellthatsignaledthedrivertoclosetheautomati

4、cdosgetgoing.Ihadnowayoftellingwhetheranybodyhadmanagedtogetonoff.MyoneobjectwastogetthatbusupPittStreet.InthesecircumstancesIwasscarcelytoblame.IdidntevenknowwherewewerebutIguessedwewereatthetopjustbefeMarketStreet.Ipre

5、ssedthebellthedosclosedthebussurgedfward.TherewereshoutsyellsfromdownthebackbutIthoughttheyweretheangrycriesofpassengerswhohadnotgoton.ToolateIrealizedthattheywereemanating(來自)fromwithinthebus.Thebacksetofautomaticdoshad

6、closedaroundanoldladysneckasshewasgettingon.Herheadwasinsidethebus.Therestofhercarryingashoppingbagwasoutside.Iknewnoneofthisatthetime.WhenIatlastcaughtontothefactthatsomethingwashappeningsignaledthedrivertostophecrashed

7、toahaltopenedtheautomaticdoswhereuponthewomanpedtotheroad.1.WhendidtheauthwkasabusconductA.Threeweeksago.B.Duringoffpeakhoursonly.C.Duringhisvacation.D.Everysummer.Crectanswer:C2.Whatmadeitdifficultftheauthtocollectfares

8、A.Thebuswastoocrowded.B.Theweatherwassohot.toolstocopewithwkthatisdangerousbingburdensomejustplainnasty.Thatcompulsion(強(qiáng)制)hasresultedinattemptstomakerobotsmachineswithhumancapabilities.ifscientistshaveyettocreatethemecha

9、nicalversionofsciencefictiontheyhavebeguntocomeclose.Asaresultthemodernwldisincreasinglyfullofintelligentgizmoswhosepresencewebarelynoticebutwhoseuniversalexistencehasremovedmuchhumanlab.Ourfactieshum(忙碌)totherhythmofrob

10、otassemblyarms.Ourbankingisdoneatautomatedtellerterminalsthatthankuswithmechanicalpolitenessfthetransaction.Oursubwaytrainsarecontrolledbytirelessrobotdrivers.thankstothecontinualminiaturization(小型化)ofelectronicsmicromec

11、hanicstherearealreadyrobotsystemsthatcanperfmsomekindsofbrainbonesurgerywithperfectaccuracy—fargreaterprecisionthanhighlyskilledphysicianscanachievewiththeirhsalone.Butifrobotsaretoreachthenextstageoflabsavingutilitythey

12、willhavetooperatewithlesshumansupervisionbeabletomakeatleastafewdecisionsfthemselvesgoalsthatposearealchallenge.“Whileweknowhowtotellarobottohleaspecificerr“saysDaveLaverymanagerofaprogramatNASA“wecantyetgivearobotenough

13、commonsensetoreliablyinteractwithadynamicwld.“Indeedthequestftrueartificialintelligencehasproducedverymixedresults.Despiteaspellofinitialoptimisminthe1960s1970swhenitappearedthattransist(晶體管)circuitsmightbeabletocopythea

14、ctionofthehumanbrainbytheyear2010researcherslatelyhavebeguntoextendthatfecastbydecadesifnotcenturies.1.Humaningenuitywasinitiallydemonstratedin________.A.theuseofmachinestoproducesciencefictionB.thewideuseofmachinesinman

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