單項(xiàng)選擇題A tow bridle is attached to the main tow hawser at the（）.

A.bight ring
B.tow hook
C.fishplate
D.swivel


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1.單項(xiàng)選擇題A term used to describe the dip in a towline that acts as a shock absorber is（）.

A.catenary
B.step
C.shock dip
D.bight

3.單項(xiàng)選擇題A shroud is（）.

A.a light sail
B.a topmast stay
C.a sheet
D.standing rigging

4.單項(xiàng)選擇題A sheepshank is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line

5.單項(xiàng)選擇題A preventer guy（）.

A.prevents anyone from working the cargo at unauthorized times
B.is a safety measure in case one of the outboard guys parts
C.is a longshoreman who watches for accidents
D.is the same as a blacksmith