A.Once a day
B.At the change of every watch
C.Only when in fresh or brackish water
D.Prior to getting underway
第1题
A.relieves the officer of the watch
B.relieves the Master of his duties
C.is solely responsible for the safe navigation of the vessel
D.is a specialist hired for his or her local navigational knowledge
第2题
A.Pneumatic brake
B.Electromagnetic brake
C.Hand brake
D.Motor controller
第3题
A.Clevis pin
B.Gunter-lug
C.Gooseneck
D.Transom
第4题
A.Low,rocky cliffs with heavily wooded hills inland
B.Sandy beaches broken by rocky points
C.Sand dunes and beaches with a mud and sand bottom
D.Wooded,barren hills with isolated prominent buildings
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