单项选择题

The steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.

A．gradually
B．suddenly
C．excessively
D．exceptionally
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Our lives are intimately bound up with theirs.
A．tensely
B．nearly
C．carefully
D．closely
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It is laid down in the regulations that all members must carry their membership cards at all times.
A．suggested
B．warned
C．stated
D．described
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