第31题: [单项选择]We should make a clear __________ between 'competent' and 'proficient' for the purposes of our discussion. A. separation B. division C. distinction D. difference 参考答案:C 答案解析:[解析]考点:词语辨析。make a distinction between A and B 表示“区分A与B”。A and Bmake a/no difference 表示“A与B有/无区别”,ma