题目

To make members of a team perform better, the trainer first of all has to know their _____ and weaknesses. A. strengths       B. benefits         C. techniques      D. values 答案：A 解析: 词义辨析。本题为人教版教材第三册P95 Language Practice Part 2 第一段的原句。根据weakness便知道：要知道他们的强项和弱点。

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