单项选择题
A.only one high and one low water occur during a lunar day B.the high tide is higher and the low tide is lower than usual C.the high tide and low tide are exactly six hours apart D.two high tides occur during a lunar day
Your vessel is docking, but not yet alongside. Which li...
单项选择题Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
A.Bow breast line B.Bow spring line C.Inshore head line D.Offshore head line
What is a CORRECT reply to a pilot’s request, How’s you...
单项选择题What is a CORRECT reply to a pilot’s request, How’s your heading?（）
A.Steady B.Eased to 10 rudder C.checked D.Passing 50
Shipboard Emergency Drills must be carried out at least...
单项选择题Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
A.Once every third year B.Once a month C.Once a year D.Once a week
