单项选择题

The key to rescuing a man overboard is（）.

A.good communication
B.a dedicated crew
C.good equipment
D.well-conducted drills

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单项选择题

The indication of a slipping anchor is a(n)（）.

A.decrease in mooring line length
B.increase in the opposite amperage
C.increase in the opposite line tension
D.decrease in mooring line tension and amperage

单项选择题

The Coordinator Surface Search (CSS) in a SAR situation should display by night（）.

A.deck lights forward and aft
B.a white light over two red lights
C.a red light，white light，and blue light in a vertical line
D.a distinctive signal promulgated by the CSS

单项选择题

RESULT OF SEARCH NEGATIVE means（）.

A.the search has found nothing
B.the derelict has been found
C.the derelict has been located
D.the derelict has been sighted