第3题: [单项选择]A) She will attend the lecture. C) She will stay with her mother. B) She will go to Britain. D) She will buy a gift for the man. 参考答案:C 答案解析:[听力原文] M: Are you going to attend tomorrow’s lecture7 W: No. Tomorrow is my mother’s birthday.
第9题: [单项选择]下列统计函数中不能忽略空值(NULL) 的是( )。 A. SUM B. AVG C. MAX D. COUNT 参考答案:D 答案解析:[解析] 本题考查统计函数的知识。在Access中进行计算时,可以使用统计函数,比较常用的有求和 (SUM)、求平均值(AVG)、求最大值(MAX)、求最小值(MIN) 和计数(COUNT)。其中统计