单项选择题

Very few scientists ______ completely new answers to the world's problems.

[A] come up with
[B] come out
[C] come round
[D] come up to
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单项选择题
The manager made a farseeing decision ______ what she had said.
[A] in the course of
[B] in the light of
[C] in favor of
[D] in the face of
单项选择题
There is ______ district in the world.
[A] no such a
[B] not such
[C] not such a
[D] no such
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