单项选择题

Under what condition are you allowed to depart from the rules of the road（）.

A.To avoid immediate danger
B.When authorized by the rig superintendent
C.To comply with an operator's requirement
D.Under no conditions

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单项选择题

Two vessels meeting in a “head-on” situation are directed by the Rules to（）.

A.alter course to starboard and pass port to port
B.alter course to port and pass starboard to starboard
C.decide on which side the passage will occur by matching whistle signals
D.slow to bare steerageway

单项选择题

Two vessels are in an overtaking situation.Which of the lights on the overtaken vessel will the overtaking vessel see（）.

A.Two masthead lights
B.One masthead light and a sidelight
C.Both sidelights
D.Stern light only