第24题: [单项选择]有关查询设计器,正确的描述是 A. “联接”选项卡与SQL语句的GROUP BY短语对应 B. “筛选”选项卡与SQL语句的HAVING短语对应 C. “排序依据”选项卡与SQL语句的ORDER BY短语对应 D. “分组依据”选项卡与SQL语句的JOIN ON短语对应 参考答案:C 答案解析:[解析] 查询设计器中,“连接”选项卡与SQL语句的JOIN短语对应。“筛选”选项卡与SQL语句的WHERE短语对应,“分组依据”选项卡与SQL语句的GROUP BY短语对应,故选项C为正确答案。
第30题: [单项选择]By the time you arrive this evening, ______ for two hours. A. I will study B. I will have been studied C. I had studied D. I will have been studying 参考答案:D 答案解析:此题考查将来完成进行时的用法。本句的意思是:“到今晚你来的时候,我就已经学习两个小时了。”