单项选择题

In order to retrieve an inflatable life raft and place it on deck , you should heave on the（）.

A.lifelines
B.righting strap
C.sea anchor
D.towing bridle

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单项选择题
In radar plotting C.P.A.is the abbreviation of（）.

A.closest point to approach
B.close point to approach
C.crossing point to approch
D.coming point to approach
单项选择题
In relation to cargo gear,what does SWL mean?（）.

A.Safe working load
B.Ships working lift
C.Starboard wing lift
D.Stress , weight , load
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