2. 考研
  3. He had a clear ______of what was wrong with the machine and fixed it in a short time.

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

admin2010-01-13  77
问题 He had a clear ______of what was wrong with the machine and fixed it in a short time.
选项 A、defect
B、dissertation
C、perception
D、persuasion
答案C
解析 clear perception清楚的认识；defect缺陷；dissertation论文；persuasion说服。故选 C项。
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