单项选择题
The harbor master ordered that foreign ship to()a safe area.
A.drift to B.shift to C.draft to D.lift to
单项选择题 The injured stevedore paid()attention to the loading instructions from the chief officer.
单项选择题 The navigational term set of current means().
单项选择题 The port clearance for a ship should be granted()the completion of loading or discharging in the port.