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
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A.a forward masthead light
B.sidelights and a sternlight
C.a towing light
D.All of the above
A.the lights required for a power-driven vessel underway
B.only the required masthead lights
C.a sternlight only
D.sidelights and a sternlight
A.Sidelights and a stern light
B.Sidelights only
C.Sidelights and a small white light at each end
D.A small white light at each end
A.Meeting
B.Overtaking
C.Crossing
D.Passing
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
最新試題
A vessel crossing a river on the Western Rivers has the right of way over（）.
A vessel conducting mine clearing operations will show（）.
A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.
A head-on situation at night is one in which you see（）.
The Rules state that vessels may depart from the Rules when（）.
As look-out，you spot an object 45°off your port bow. You should report the object as（）.
A vessel being pushed ahead is required to carry which of the following lights?（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
A vessel engaged in fishing shall keep out of the way of a vessel（）.