单项选择题

A．Workers on the platforms and trains were replaced by machines.
B．A completely automatic line was added to its network.
C．It became the first completely automatic railway in the world.
D．Its trains became manual-controlled.
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填空题
Britain’s dependency on certain essential services has greatly widened and become a key role in the country’s ______.
单项选择题
[A] Preparing for an important test. B. Funding for university education. [c] Winning the confidence of voters. D. Graduate school application procedures.
[A] Preparing for an important test.
B. Funding for university education. [c] Winning the confidence of voters.
D. Graduate school application procedures.
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