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單項(xiàng)選擇題

A SEA ROOM TO BE KEPT FOR SAFETY AROUND A VESSEL，ROCK，PLATFORM，ETC.，OR THE PLACE ASSIGNED TO A VESSEL WHEN ANCHORED OR LYING ALONGSIDE A PIER，ETC means（）.

A.Port
B.Commercial area
C.Berth
D.Roadstead

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單項(xiàng)選擇題

A METHOD OF TOWING VESSELS THROUGH POLAR ICE BY MEANS OF ICEBREAKING TUGS WITH A SPECIAL STERN NOTCH SUITED TO RECEIVE AND HOLD THE BOW OF THE VESSEL TO BE TOWED defines（）.

A.Towing operations
B.Rigid coupled towing
C.Close coupled towing
D.Hard coupled towing

單項(xiàng)選擇題

A MARK OR POSITION AT WHICH A VESSEL IS REQUIRED TO REPORT TO ESTABLISH ITS POSITION defines（）.

A.VTS point
B.Way point
C.Reference point
D.Establishment point

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