职称英语考试

解析:London’s First Light Rail System

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【单选题】

London’s First Light Rail System
TheDocklands Light RailwayDLR) took just three years to build at a cost of £77 million. It is London’s first Light Rail System, but its route follows that of a number of older lines, which carried the nineteenth century railways through the crowded districts of theEastEnD、
The section of the line from the Tower Gateway Station to Poplar follows the line of one of London’s earliest railways, the London&Blackwell (1840), a cable-drawn railway (later converted to steam) which carried passengers to steam ships atBlackwell Pier, and provided transport for the messengers and clerks who went backwards and forwards between the docks (码头) and the city every day.
From Poplar to Island Gardens, a new line crosses high above the dock waters, and then joins the old track of the MillwallExtension Railway, built to service the MillwallDocks (1868) and to provide transport for workers in the local factories. This line was horse- drawn for part of its route, until the 1880s.
The Poplar to Stratford section of theDLR route was first developed by the North London Railway, built in the 1850s to link the West andEast IndiaDocks with the manufacturing districts of the Midlands and North ofEnglanD、There were major railway works and sidings (岔线) atBow until recently.
The trains are automatically controlled from a central computer, which deals with all signaling and other safety factors, as well as adjusting speeds to keep within the timetable; on board each vehicle, TrainCaptains, who are also fully qualified drivers, are equipped with two-way radios to maintain contact with central control. There are passenger lifts, and self-service ticket machines, at every station.
The trains on theDLR are controlled by
A.an on-board central computer.
B.a computer engineer on boarD、
C.two-way radios operated by the drivers.
D.a computer center based somewhere along the line.
网考网参考答案:A
网考网解析:

此题问DLR这条线路上的火车由什么控制 文章最后一段第一句讲到,这些火车是由计算机控制的,因此A为正确答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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