A.Reduce speedB.Increase speedC.Change speedD.Stop engi……

单项选择题You have orders to drop off a barge loaded with propylene oxide at a fleet.In doing so，you must ensure that（）.

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（）.

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（）.

A.obey the Master
B.obey the Pilot
C.bring the rudder to a position midway between the two conflicting orders
D.ask the Pilot if he relinquishes control

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（）.

A.Countermand the order and immediately notify the Master
B.Make an appropriate entry in the deck log concerning the Pilot's order
C.Immediately call the Master and await further orders from him
D.Immediately sound a short ring on the general alarm

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（）.

A.Stop the engines
B.Escort the pilot to the accommodation ladder
C.Plot the vessel's position on the chart
D.Make a round of the weather decks