A block and tackle is rove to advantage．This means that the ______．A.blocks have been overhauledB.hauling parts of two tackles are attachedC.hauling part leads through the movable blockD.hauling part leads through the standing block
A block and tackle is rove to advantage．This means that the ______．
A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block
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