單項選擇題

In order to maintain a safe speed at all times，any necessary alterations of speed must（）.

A.be instantly put on
B.be instant put into use
C.be instantly put into effect
D.be put immediately

你可能感興趣的試題

In order to detect rot in manila lines，you should（）.

A.feel the surface of the line for broken fibers
B.measure the reduction in circumference of the line
C.observe any mildew on the outer surface
D.open the strands and examine the inner fibers

單項選擇題

In heavy seas the helmsman should steer the survival craft（）.

A.into the seas
B.broadside to the seas
C.in the same direction as the seas
D.in a series of figure-eights

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In order to maintain a safe speed at all times，any necessary alterations of speed must（）.

你可能感興趣的試題

In order to detect rot in manila lines，you should（）.

In heavy seas the helmsman should steer the survival craft（）.

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