单项选择题

A.Both towheads will tend to drift apart，and the overta……

When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect（）.

A.Both towheads will tend to drift apart，and the overtaking vessel will be slowed down
B.Both towheads will tend to drift together，and the overtaking vessel will be slowed down
C.Both towheads will tend to drift apart，and the overtaken vessel will be slowed down
D.Both towheads will tend to drift together，and the overtaken vessel will be slowed down

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单项选择题When one of two vessels（）is required to keep out of the way the other must keep her course and speed.

A.In sight of another
B.Sights the another
C.Not in sight of the other
D.In sight of one another

单项选择题When a vessel is in any doubt as to whether such a situation exists she shall（）that it does exist and act accordingly.

A.consume
B.assume
C.perfume
D.resume

单项选择题Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.

A.Nova Scotia
B.Maine and Massachusetts
C.Georgia and NE Florida
D.California and Mexico

单项选择题Vessel engaged in the launching or recovery of aircraft is called（）．

A.A vessel restricted in her ability to maneuver
B.A vessel not under command
C.A vessel constrained by her draught
D.A vessel not under way

单项选择题Underway at night，a vessel displaying the lights shown is（）.

A.Engaged in fishing
B.Mine sweeping
C.A pilot boat
D.Under sail