单项选择题
A.Give full right rudder
B.Give full left rudder
C.Put the rudder amidships
D.Throw a life ring to mark the spot
单项选择题 You are standing the wheelwatch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot.What should you do（）.
单项选择题 You are on watch and the Pilot has the conn.The Master has temporarily gone below.The Pilot orders a course change which you are certain will put the vessel into imminent danger.Your first action should be to（）.
单项选择题 You are on watch and the pilot has just anchored the vessel.The next thing that you should do after the anchor has been let go is to（）.