He had a clear______of what was wrong with the machine and fixed it in a short t

游客2025-03-23 8

问题 He had a clear______of what was wrong with the machine and fixed it in a short time.

选项 A、debris
B、deficiency
C、perception
D、persecution

答案 C

解析 A意为“碎片，残骸”；B意为“缺乏，不足”；C意为“理解，感知”；D意为“迫害”。本句意思是：他非常清楚机器出了什么毛病，一会儿就把它修好了。根据句意，本题答案为C。

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