单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．It costs too much.
B．It needs repairing.
C．It should be modernized.
D．It still can be used.
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单项选择题
A．It is the first completely automatic railway in the world.B．The workers on the underground platforms are replaced by machines.C．Its trains are computer-controlled.D．Its trains run at a high speed.
A．It is the first completely automatic railway in the world.
B．The workers on the underground platforms are replaced by machines.
C．Its trains are computer-controlled.
D．Its trains run at a high speed.
单项选择题
A．It was fairly successful.B．It was hard and useless.C．It failed for lack of money.D．It stopped for lack of land.
A．It was fairly successful.
B．It was hard and useless.
C．It failed for lack of money.
D．It stopped for lack of land.
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