单项选择题
A.the ship owner
B.any person who has assumed responsibility for operating the ship
C.either A or B
D.neither A nor B
单项选择题 The“person in the phrase ”to designate a person or persons ashore having direct access to the highest level of management” refers to （）.
单项选择题 （）conveys a signal of desired rudder angle from the bridge and activates the power unit and transmission system unit the desired angle is reached.
单项选择题 In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.