A.an anchor light
B.sidelights and a sternlight
C.three lights in a vertical line，the highest and lowest being red，and the middle being white
D.None of the above
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A.vessels ascending the river
B.vessels descending the river
C.all vessels ascending and descending the river
D.None of the above
A.The vessel has negative GM
B.The center of gravity is on the centerline
C.The list can be corrected by reducing KM
D.The vessel has asymmetrical weight distribution
A.two all-round red lights in a vertical line
B.three all-round red lights in a vertical line
C.two all-round yellow lights in a vertical line
D.three all-round green lights in a vertical line
A.three balls in a vertical line
B.two balls in a vertical line
C.one ball near the foremast and one ball at each fore yard
D.one diamond near the foremast head and one ball at each fore yard
A.a forward masthead light
B.sidelights and a sternlight
C.a towing light
D.All of the above
最新試題
A vessel conducting mine clearing operations will show（）.
A vessel（）a crossing vessel，shall not normally enter a separation zone or cross a separation line.
In complying with the Rules，of what must the mariner take due regard?（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
The Rules state that vessels may depart from the Rules when（）.
A vessel approaching a narrow channel shall（）.
If the circumstances admit，（）of small alteration of course and speed shall not be taken to avoid collision.
A vessel being towed astern shall show at night（）.
A vessel enagaged in fishing，and at anchor，shall show（）.
In a crossing situation，a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall，if possible，avoid（）.