an anchor light
sidelights and a sternlight
three lights in a vertical line，the highest and lowest being red，and the middle being white
None of the above
第1题：
A vessel aground would show the same dayshape as a ______.
A.vessel towing a submerged object
B.dredge underway and dredging
C.hydrographic survey vessel at anchor and surveying
D.None of the above
第2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3题：
A power-driven fishing vessel is underway on the high seas and is not engaged in fishing． Which of the following factors determines what lights she will show？
A.Whether she is normally a fishing or a trawling vessel
B.Her gross tonnage
C.Her length
D.The type of gear she carries
第4题：
In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so___.
A.only in case of an emergency or to engage in fishing within the zone
B.as nearly as practical at right angles to the general direction of traffic flow
C.at as small an angle as possible
D.only to anchor within the zone
第5题：
A vessel approaching a narrow channel shall _____.
A.avoid crossing the channel if it impedes another vessel navigating in the channel
B.not overtake any vessels within the channel
C.keep as close as possible to the edge of the channel on her port side
D.anchor only in the middle of the channel
第6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7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8题：
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway
第9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10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