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單項(xiàng)選擇題

When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，（）shall be deemed to exist.

A.head-on situation
B.end-situation
C.crossing situation
D.close-quaters situation

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單項(xiàng)選擇題

When in sight of another vessel，any action taken to avoid collision must（）.

A.be accompanied by sound signals
B.not result in another close quarters situation
C.include a speed change
D.All of the above

單項(xiàng)選擇題

When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.

A.crossing situation
B.head-on situation
C.restricted visibility
D.overtaking situation

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