Somepeoplehavetousepublictransport,somedislikeitandstillsomeloveit.Ifeveryonehasacaranddrivesanywheretheywanttogo,therewillbeserioustrafficproblemsontheroad.Luckily,trainsareagoodformofpublictransport.
Britishpeopleusetrainsalot.ThisisespeciallysoforpeoplewhoaretravellingfromLondontoParis.Everydayabout20trainsleaveLondon.Theytravelataveryhighspeedandpeoplefeelgladthatthetrainstakeonly2hoursand30minutestoreachParis.It'smuchfastertotravelbytrainthanbybusorbycar.Thisisbecausepeoplehavetodrivecarsorbusesverycarefullyandlowlyformanyreasons,suchasspeedlimitsandtrafficjams.However,whenyouaretravellingbytrain,thespeedisalmostthesameandthereisnotrafficjamforatrain.
Besides,Londonersthinktakingatrainisoneofthesafestwaysoftravellingontheground.Trainstakequiteanumberofqualitytestswhiletheyaremade.Moreimportantly,theyhavetotakemanysafetychecksbeforetheyareusedontherailtrack.
What'smore,trainsinBritainarecomfortableandprovidefineservicesfortheirusers.WhenyouareonaLondontrain,youwillfindthatthetrainhascomfortabletablesandseatswherepeoplecansit.Theyalsoprovidefoodservicesandpowerplugs(电源插头) forpersonalcomputersormobilephone.
51.Inatrafficjams ontheroad,___.
A.driverscandrivefast
B.driverscandrivecarelessly
C.carsarenotmovingfast
D.carswillstopworking
52.The3rdparagraphofthepassagemainlytalksaboutthe___oftrains.
A.speed
B.safety
C.services
D.problems
53.ThereasonforLondonersoftentravelbytrainisthattrainsare___.
A.oldandslow
B.large,cleanandpowerful
C.fineandimportant
D.fast,safeandcomfortable
54.Itcanbeinferredfromthepassagethat___.
A.wecantravelfromLondontoParisinlessthan2hours.
B.wecandoourworkwithpersonalcomputersonthetrain.
C.wehavetowaittillwegetoffthetraininordertohavesomefood.
D.thetrainsareonlycheckedforqualityreasonsbeforetheyareused.
55.Accordingtothelastp