aplantodigatunnel(隧道)andreachEngland.Oneofthefirstpeoplewhotriedtodigatunnelunderthe
Channel(英吉利海峡)wasaFrenchengineercalledAlbertMathieu.Histunnelfailed.
In1881,ColonelBeamontandCaptainEnglishfromBritainalsotriedtodigatunnel.Theirtunnelwent
sixkilometersintotheChannel.QueenVictoriastoppedthemandsaiditwasdangeroustoconnectwith
France.Itwasaverygoodtunnel,anditisstilltheretoday.Thenewtunnel(readyin1993)is,infact,
threetunnels-twofortrainsanda"servicetunnel"forfreshairtogoinandformenwhotakecareofthe
tunnels.Thetunnelsarefiftykilometerslong,fortymetersunderwater.Fortykilometersoftunnelare
undertheseaitself.Theyarethelongestunderseatunnelsintheworld.Trainstravelthroughthetunnels
at160km/h.Peopledrivetheircarsontotrainsandthetrainstakethemthroughthetunnel.Eachtraintakes
1,500peopleandtherearetrainseverytenminutes.
AspecialradiostationcalledChannelChannelhasstarted,becauseitisimpossibletoreceivenormalradio
signals(信号)whenyouareunderthesea.Thestationsendsnewstokeeppeopleup-to-datewiththe"world
outside"whiletheyareinthetunnel.
B.Napoleoncoulddigatunnelforthem.
C.AlbertMathieuwouldsucceed.
D.EnglandandFrancecouldbejoinedtogether.
B.Tunnel-buildingwasadangerousjob.
C.Theoldtunnelisstillunderthesea.
D.Thequeenagreedtothediggingplan.
B.Peoplecantravelbytrainsthroughtwotu