單項選擇題The port of registry is（）.

A.not required to be marked anywhere on the vessel
B.required to be marked on both bows and on the keel
C.required to be marked on the stern with the name of the vessel marked on both bows
D.required to be marked on the keel, stern, and both bows


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2.單項選擇題Prior to taking over the deck watch in port,the relieving officer shall not be informed by the officer in charge of the deck watch as to（）.

A.the depth of the water at the berth
B.the ship‟s draught
C.the duty of the relieving officer
D.the arrangement of anchor and the scope of the anchor chain

3.單項選擇題A vessel constrained by her draft shall, when she overtakes a sailing vessel in a fairway,the sailing vessel is（）.

A.priviledged vessel and keep her course and speed
B.burdened vessel and give way to others
C.burdened vessel and keep course nad speed
D.priviledged vessel and give way to others

4.單項選擇題Which of the following should not be paid attetion to as to accommodation for seafarers?（）

A.The size of rooms and other accommodation spaces
B.communication
C.Heating and ventilation
D.Noise and vibration and other ambient factors

5.單項選擇題When anchoring,it is a common rule of thumb to use a length of chain（）.

A.five to seven times the depth of water
B.seven to ten times the depth of water
C.twice the depth of water
D.twice the depth of water plus the range of tide