单项选择题
A.All wing voids and rakes are pumped dry before tying off the barge
B.The barge is moored next to the bank where it will be protected from a possible collision
C.The barge is under the care of a watchman
D.A rake end is facing upstream to minimize the effect of current on the mooring lines
单项选择题 You are standing the wheelwatch when you hear the cry，“Man overboard starboard side”.You should instinctively（）.
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（）.