During the day, a dredge will indicate the side on which it is safe to pass by displaying_____.
A.two balls in a vertical line
B.two diamonds in a vertical line
C.a single black ball
D.no shape is shown during the day
你想把引航员梯装在哪一舷？（）A、On which side must I rig the pilot ladder?B、On which side do you want the ladder rigged?C、On what side must I rig the pilot ladder?D、On which side do you want the gangway rigged?
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The mooring lines （）a fairlead on the vessel’s side.A、pass fromB、enterC、come fromD、pass through
On which side shall we get alongside the wharf?（）A、On port side .B、On right side.C、On left side.D、On deck.
Which of the following occurs during POST?（）A、OS loadsB、Safe Mode startsC、RAM checkD、MBR check
单选题When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.A a junction with the preferred channel to the leftB a sharp turn in the channel to the rightC the starboard side of the channelD a wreck to be left on the vessel's port side
单选题A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the （）limit of the channel or fairway which lies on her（）side as is safe and practicable.A inner，portB inner，starboardC outer，portD outer，starboard
单选题Do not overtake.Vessel on（）2 miles distance will pass on my port side.A same courseB opposite courseC port sideD starboard side
