單項(xiàng)選擇題A solution to overcome tripping defects is an arrangement of special plates on either side of the flukes,designed to set them in the correct tripping position. These special plates are called().

A.trippers
B.stocks
C.stabilizers
D.palms


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A.a light sail
B.a topmast stay
C.a sheet
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A.keep a line from fraying
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C.stop off a line
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3.單項(xiàng)選擇題A preventer guy().

A.prevents anyone from working the cargo at unauthorized times
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C.is a longshoreman who watches for accidents
D.is the same as a blacksmith

5.單項(xiàng)選擇題A new coil of nylon line should be opened by().

A.pulling the end up through the eye of the coil
B.taking a strain on both ends
C.uncoiling from the outside with the coil standing on end
D.unreeling from a spool