如果结果不匹配，请 
更多“使用自动检票闸机的车站不应留有人工通道。()”相关的问题
A.纸质车票
B.购票信息单
C.电子凭证
D.铁路12306手机APP生成的动态一维码
Task5
Directions:ThefollowingisaGuidetothesingaporeundergroundtrainsystem.Afterreadingit,youshouldgive
briefanswerstothe5questions(No.56toNo.60)thatfollow.Theanswers(innotmorethan3words)should
bewrittenafterthecorrespondingnumbersontheAnswerSheet.
TheSingaporeundergroundtrainsystem,knownastheMRT,offersaspeedyandeasywaytogetaboutourcity.
Youllneedsmallchangetobuyanindividual
ticket.Alternatively,buyaspecialticketdesignedwiththetouristinmind.Costing$6,itoffers$5.50worthofrides;
theextra50centsisforkeepingtheticketasasouvenir(纪念品).Touristticketsfeatureoneofthreedesigns:theChineseGardens,theVictoriaMemorialHalloranightskyline
ofSingapore.
Yougainentrytothetrainsbyinsertingyourticketintothebarrierachine(检票闸机).Waitforthetickettoreappearandputitawaysafely:youllneeditagain.Afteryourtrip,youinsertyourticketintothe
barrierinorder
toleave.Pleasenotethateachticketistimecodedonentry,andyouareadvisednottospendmorethanhalfanhour
inadditiontotraveltime,becauseticketscanexpire(失效).
Movingstairsthattakeyoutotheplatformandtraindestinationsaremarkedclearly.Trainsrunfrequently.
Doremember,eatinganddrinkingareforbiddeninMRTstationsandtrains.
56.WhatpurposedoestheMRTserve？Toprovidea(n)waytogetaboutthecity.
用自动扒渣机代替人工。预计该自动扒渣机的研制、安装成本总共40万元，可使用10年，10年末的残值为2万元；运行后，每年还需支付经营成本4000元。这笔急需的资金需从银行借入，年利率为10%，按复利计算。
要求：用年费法和现值成本法对采用何方案扒渣作出抉择。
A.上车站
B.购票地车站名称
C.原票到站
D.原票发站
