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

单项选择题Prior to each voyage the master of every ship shall ensure that the intended route from the port of departure to（）is planned using adequate and appropriate charts and other nautical publications necessary for the intended voyage.

A.the first port of call
B.any port of call
C.the last port of call
D.the destination

单项选择题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

单项选择题In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.

A.disposition
B.composition
C.reposition
D.position

单项选择题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

单项选择题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