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
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相关考题
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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 -
单项选择题
One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
A.red star shell
B.searchlight
C.burning barrel
D.orange smoke signal -
单项选择题
Generally，you can best keep a vessel under steering control when the vessel has（）.
A.headway
B.sternway
C.no way on，with engines stopped
D.no way on，with engines full ahead
