nisnodoubt‘thetube’,London’swayofsayingtheUndergroundtrain.Thetubeismadeupoftwelvelines,eachbearinganameandacoloronthetubemap.Forexample,theCentralLineisred.Andasitsnamesuggests,itrunsfromeasttowest,takingincentralLondon.TheCircleLineisyellow,pletecircle.About2.5millionpeopleusethetubeeachday.IfyouwanttotravelfastaroundLondon,takingthetubewillgetyoutowhereveryouwantquickerthanbusortaxi.Trainsgenerallyleaveevery3or4minutes,lessfrequentlyatweekendsandlateatnight.Therearemapsateachstation,aswellasinsideeachtrain,tomakesurethatyoucanseewhereyouaregoingandthatyouareontherighttrain.Ifyoufindyourselfgoinginthewrongdirection,simplygetoffatthenextstationandcrosstheplatformtotheotherside.Everytrainwillshowitsdirectiononthefrontofthetrain.So,ingintothestation.2016年9月听力答案1-5BACBC6-10ACBAC11-16-20BAABC