單項(xiàng)選擇題

By regulation，life preservers aboard an uninspected towing vessel must be（）.

A.readily accessible
B.securely stowed
C.stored in sealed containers
D.stowed with the emergency provisions

你可能感興趣的試題

單項(xiàng)選擇題

As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right. Which type of line is this?（）

A.Right-hand laid
B.Cable-laid
C.Sennet-laid
D.Water-laid

單項(xiàng)選擇題

An oxygen indicator can be used to determine if there is（）.

A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hydrogen gas present
D.All of the above