helphelp用英语介绍上海的地铁1号线,2号线．3号线,介绍它们的起点和终点．长度,什么时候建造等,50字左右,初一

The Shanghai subway is one of the youngest in the world and might become the most rapidly expanding if the same pace of construction continues.After the first line opened in 1995 as a north-south axis from the Central Station to the southern suburbs,a first section of the second line followed only four years later.
A third line,the so-called Pearl Line,has been developed out of a former ring railway,mainly elevated,to run from Baoshan Steel Complex in the north via Shanghai Railway Station to Caoxi Rd.in the south (36 km,21 stations).Construction of the first 25 km section with 19 stations (3 at grade) between Caoxi Rd and Jiangwan was completed in May 2000 and opened 26 Dec 2000 for trial operation.
The elevated 17.2 km southern extension of Line 1 (Xinmin Line) to Minhang (11 stations) opened as Line 5 in November 2003.For this line Siemens TS is supplied the VICOS operation control system,the SICAS electronic interlocking and the ZUB 200 intermittent automatic train control (ATC) system.Trains were built by Alstom (Metropolis).

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