單項(xiàng)選擇題

The wire ropes and blocks, or pulleys, on a ship are called （）.

A.fittings
B.riggings
C.equipment
D.device

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Each cover consists of two or （）panels.

A.two
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A （）is at the end of the cargo runner for picking up the load.

A.sling
B.hook
C.block
D.tackle