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