The company’s training plan was designed to help the employees to improve their

游客2023-12-27 52

问题 The company’s training plan was designed to help the employees to improve their work habits and______.

选项 A、proficiency
B、sufficiency
C、insufficiency
D、efficiency

答案 D

解析 efficiency效率；proficiency精通，熟练；sufficiency足够；insufficiency不足。

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