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 may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A vessel being towed astern shall show at night（）.
A vessel approaching your vessel from 235°relative is in what type of situation?（）.
A vessel（）when underway shall so far as possible，keep out of the way of a vessel not under command.
A proper look-out shall be maintained（）.
In complying with the Rules，of what must the mariner take due regard?（）.
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（）.
In dense fog a vessel without operational radar may not be justified（）at all but should anchor if it is safe and practicable for her to do so.
A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.