under sail
restricted in her ability to maneuver
crossing a channel
All of the above
第1题：
A vessel engaged in fishing，and at anchor，shall show ______.
A.an anchor light
B.sidelights and a stern light
C.three lights in a vertical line，the highest and lowest being red，and the middle being white
D.None of the above
第2题：
A vessel engaged in fishing shall not impede the passage of______following a traffic lane．
(1)．A power-driven vessel
(2)．a sailing vessel
(3)．any vessel
(4)．a vessel of less than 20 metres in length
A.(1)
B.(1) & (2)
C.(3)
D.(4)
第3题：
Where one of two vessels is to keep out of the way the other________.
A.shall not keep her course but shall keep her speed
B.shall not keep her course and speed
C.shall keep her course but change her speed
D.shall keep her course and speed
第4题：
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel ______.
A.not under command
B.retricted in her ability to maneuver
C.engaged in towing
D.Fishing
第5题：
For the purpose of the Rules, except where otherwise required, the term ______.
A.vessel includes seaplanes
B.seaplane includes non-displacement craft
C.vessel engaged in fishing includes a vessel fishing with trolling lines
D.vessel restricted in her ability to maneuver includes fishing vessels
第6题：
A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
第7题：
Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid ______.
A.crossing ahead of the other
B.crossing astern of the other
C.passing port to port
D.passing starboard to starboard
第8题：
A vessel engaged in ______ shall not impede the passage of any other vessel navigating within a narrow channel or fairway．
A.mine clearance operation
B.towing operation
C.dredging or surveying or underwater operation
D.fishing
第9题：
If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.
A.hold course and speed
B.sound the danger signal
C.keep out of the way of the other vessel
D.turn to port and come into the wind
第10题：
a vessel restricted in her ability to maneuver
a vessel under command
a passenger ship
a seaplane on the water