题目内容

One of the responsibilities of the Coast Guard is to make sure that all ships______followtraffic rules in busy harbors.

A. conveniently
B. obediently
C. sufficiently
D. reluctantly

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下列文件名中有一个在windows中为非法的文件名，它是（）

A. myfile
BasicProgram
C. card
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A. 肺癌
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The proposal deserves support as it gives ______ to the needs of children.

A. curiosity
B. awareness
C. priority
D. emphasis

We have to wait for the bus, ______？

A. have we
B. haven ’t we
C. do we
D. don ’t we