The World’s Most Impressive subways

 
Which of the following gives the passengers the best visual enjoyment?

A．The Tokyo Metro and Toei Lines．	B．The Moscow Metro．
C．The London Metro．	D．The Hong Kong MTR．

According to the passage, the only subway that can bring more financial gains is ______．

A．the Tokyo Metro and Toei Lines	B．the Moscow Metro
C．the London Metro	D．the Hong Kong MTR

We can learn from the passage that Shanghai Metro ______．

A．is the busiest system in the world

B．carries the most people each day

C．may be larger than the Chicago Subway in the future

D．has become the world's largest subway since it opened

The purpose of the passage is to _____．

A．give us a brief introduction to some subway systems

B．introduce the working system of some railways station

C．tell the general background of world-wide transportation

D．show the historical development of underground system