单项选择题
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
单项选择题 A vessel constrained by her draft shall, when she overtakes a sailing vessel in a fairway,the sailing vessel is（）.
单项选择题 Which of the following should not be paid attetion to as to accommodation for seafarers?（）
单项选择题 When anchoring,it is a common rule of thumb to use a length of chain（）.