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單項選擇題

On a long ocean tow，the bridle should be made up of two equal lengths of（）.

A.chain
B.wire
C.nylon
D.manila

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單項選擇題

On a light tow，what could you substitute for a fishplate?（）

A.heart-shaped shackle
B.pelican hook
C.swivel
D.ring

單項選擇題

Nylon rope is often used in the makeup of a towline because it（）.

A.floats
B.stretches
C.handles easily
D.resists rot

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