题目内容

He took the machine to pieces to find out how it             .
A．progressedB．operatedC．equippedD．managed
B
词义辨析。Progresse前进，进步； operate操作，经营；equip装备，配备；manage经营，处理；句意：他把机器拆成一块一块的来查明他如何操作。故选B。
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