第14题: [单项选择]The secretary can use and control ______ all sorts of the office software. A. proficiently B. sufficiently C. conveniently D. potentially 参考答案:A 答案解析:[解析] 本题测试词义辨析。proficient意为“熟练的”;sufficient,意为“足够的,充足的”;convenient意为“便利的,方便的”;potential意为“潜在的,可能的”。选项