A.position the boat at the embarkation stationB.lift th……

单项选择题A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.

A.45 minutes
B.1 hour and 15 minutes
C.1 hour and 30 minutes
D.2 hours

单项选择题A floating ship with an initial negative metacentric height（）.

A.will capsize
B.will incline further
C.may lie at an angle of loll
D.may be initially level

单项选择题A capsized small sail vessel is best righted when what part of the vessel is downwind?（）

A.Stern
B.Bow
C.Centerboard
D.Mast

单项选择题A cable used by helicopters for lifting or lowering persons in a pick-up operation is a（）.

A.Hoist
B.Rope
C.Cable
D.Line

单项选择题A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a（）.

A.hawser which is used to pass a tail-block and whip to the vessel
B.hawser with breeches buoy and harness attached
C.hawser which should be made fast to the vessel below the intended location of the tail-block
D.tail-block and whip which may be used to pass a hawser to the vessel