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單項(xiàng)選擇題

Before opening and closing the hatches, the spaces around the covers, all the parts and the gears should be （）.

A.cleared
B.checked
C.removed
D.repaired

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單項(xiàng)選擇題

The foreman said three （）would come on board to load cargo.

A.teams
B.parties
C.gangs
D.pairs

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