單項(xiàng)選擇題

Line throwing equipment should not be operated（）.

A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers

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單項(xiàng)選擇題

Logbooks are used to record the events occurring when（）.

A.the ship is in a harbor
B.the ship is at anchorage
C.the ship is underway
D.All of the above

單項(xiàng)選擇題

Manila lines in which the strands are right-hand laid（）.

A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled