單項選擇題Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.

A.in lieu of life preservers during fire drills
B.in lieu of life preservers during boat drills
C.in lieu of life preservers during an actual emergency
D.when carrying out duties near a weather deck's edge


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2.單項選擇題Orders of the Master to the officer of the watch which s/he must comply with are（）.

A.Night orders
B.Standing orders
C.Commands by master
D.Requirements by master

4.單項選擇題If in any doubt as to the pilot’s actions or intentions，the officer in charge of the navigational watch shall（）.

A.notify the master immediately
B.take whatever action is necessary before the master arrives
C.take necessary actions at his/her discretion
D.seek clarification from the pilot

5.單項選擇題If at any time the officer in charge of the navigational watch is to be relieved when a manoeuvre or other action to avoid any hazard is taking place,（）.

A.the relief of that officer shall be made prior to such action has been completed
B.the relief of that officer shall never be made
C.the relief of that officer shall be deferred until such action has been completed
D.the relief of that officer shall be made by the captain