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單項(xiàng)選擇題

If you were to pass a stopper on a wire rope，what should the stopper be made of?（）

A.Wire
B.Manila
C.Nylon
D.Chain

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單項(xiàng)選擇題

If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）

A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl

單項(xiàng)選擇題

If the ship is alongside the wharf，what kind of（）is used?

A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder

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