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（）.

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

单项选择题You are a watch standing mate and have come to the bridge to relieve the watch while underway at sea.The watch should not be transferred（）.

A.During an engine speed change
B.During a navigational course change
C.Unless the helm is in the“hand”mode
D.All of the above

单项选择题Who may perform as a lookout（）.

A.A member of the engineering watch
B.A member of the navigational watch
C.A member of the Stewards Department
D.All of the above

单项选择题While you are on watch entering port，the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot.You should make sure the helmsman（）.

A.Obeys the Pilot
B.Obeys the Master
C.Asks you for instructions
D.Brings the rudder to a point midway between the two conflicting positions