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第4部分：閱讀理解

　　下面有1篇短文，每篇短文后有5道題。請(qǐng)根據(jù)短文內(nèi)容，為每題確定1個(gè)最佳選項(xiàng)。

　　London's First Light Rail System

　　The Docklands Light Railway (DLR) 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 the East End.

　　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 at Blackwell Pier, and provided transport for the messengers and clerks who went backwards and forwards between the docks (碼頭) 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 Millwall Extension Railway, built to service the Millwall Docks (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 the DLR route was first developed by the North London Railway, built in the 1850s to link the West and East India Docks with the manufacturing districts of the Midlands and North of England. There were major railway works and sidings (岔線) at Bow 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, Train Captains, 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.

　　11 The passage tells us that London's first Light Rail System

　　A　was constructed in the nineteenth century.

　　B　will be finished in three years' time.

　　C　follows some of the original lines.

　　D　took three years longer than expected to complete.

　　12 We learn from the passage that the London & Blackwell railway

　　A　now carries passengers to and from the docks.

　　B　was a busy line a few years ago.

　　C　used to employ many messengers and clerks.

　　D　was not originally a steam railway.

　　13 "This line" in Paragraph 3 refers to

　　A　the line from the Tower Gateway Station to Poplar

　　B　the line from Poplar to Island Gardens.

　　C　the Millwall Extension Railway.

　　D　the line from Poplar to Stratford.

　　14 It appears that the Poplar to Stratford section of the DLR route was originally developed to

　　A　promote travel in the Midlands.

　　B　encourage trade with the North of England.

　　C　create employment.

　　D　make the transport of goods easier.

　　15 The trains on the DLR are controlled by

　　A　an on-board central computer.

　　B　a computer engineer on board.

　　C　two-way radios operate by the drivers.

　　D　a computer center based somewhere along the line.

　　答案：11. C　 12. D　 13. C　 14. D　 15. A