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  TheelevatorofthefuturemaybejustoverthehorizonthankstoGermancompanyThyssenKrupp.Thefirmhasinventedacable-freeelevator(calledMULTI)thatcangoupanddownliketraditionalliftsbutthemagneticmotorsallowittogos

  TheelevatorofthefuturemaybejustoverthehorizonthankstoGermancompany ThyssenKrupp.Thefirmhasinventedacable-freeelevator(calledMULTI)thatcangoupand downliketraditionalliftsbutthemagneticmotorsallowittogoside-to-sidetoo.Thedesignerspredictthatthistechnologycouldincreasethecarryingcapacityofexistingarchitecturebyasmuchas50%.Plusitlooksreallyneat.

  ThyssenKruppplanstouselight-weightmaterialstobuilditselevatorearsofthefutureandthelackofacablewinch(钢缆绞车)willreduceweightaswell.Theearswouldn'tjustmoveupanddownastheydonowbutwouldinsteadgoinacirclethatallowsmorecarstoslipinfightbehindthenext.Theresultisthatyoumightonlyhavetowait10secondsforthenextonetoarriveratherthanwaitfortheoneyoujustmissedtocomebackdown.

  ThetechnologybackingThyssenKrupp'sMULTIelevatorisverysimilartomagnetic levitation(磁悬浮)systemsusedinhigh-speedtrains.Eachcarhastwomagneticmotors-one forverticalmovementandanotherforhorizontal.Thissystemcanalsodeliverpowertothecar'sinternallightingandelectronicswithoutusingwires.

  Atraditionalcabledrivenelevatorhasmechanicalcomponentsthatcanholdthecarinplaceintheeventofapower-off.ThyssenKruppdidn'tgointodetailaboutsafetymeasuresinitsannouncementbutit'ssafetosaythemagneticlevitationelevatorwillhavesomesortofsystemtoholditinplaceifthelightsgoout.ThyssenKruppisworkingonatesttowerthatwillbeusedtodeveloptheMULTIintoarearelevatortechnology.Thisshouldbeupandrunningby2016butitwillprobablytakeatleastafewmoreyearsbeforeyougettoclimbinsideamagneticelevatorcar.

  32.Whatdoestheunderlinedphrase"overthehorizon"mean?___

  A.Abovesealevel.

  B.Ontheway.

  C.Onthemarket.

  D.Outofsight.

  33.MULTIisdesignedto___.

  A.saveenergy

  B.carrymorepassengers

  C.runmuchfaster

  D.beneatandcomfortable

  34.ThekeytechnologyaboutMULTIisits___.

  A.cablewinch

  B.magneticmotor

  C.wirelesselectronics

  D.lightingmaterial

  35.Whatcanbelearnedfrom

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2020-05-16 12:02
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黄洋

  32-35BBBD32题答案是B.推理判断题.根据Thefirmhasinventedacable-freeelevator(calledMULTI)thatcangoupanddownliketraditionallifts,butthemagneticmotorsallowittogoside-to-side...

2020-05-16 12:07:05

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