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單項選擇題

A towing hook may be released from the（）.

A.tug's engineroom or the bow
B.pilot house or aft steering station
C.forecastle
D.towing bitts by reaching over and releasing a lever

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單項選擇題

A tow that is properly aligned to pass through a narrow opening between two bridge piers is “ （）”.

A.on course
B.headed fair
C.holding on
D.in shape

單項選擇題

A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the（）.

A.port and starboard strings
B.outer strings
C.drag strings
D.side strings

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