【简答题】数据仓库具备的特征有面向主题、( )、时变和()
【单选题】—The light in his office is still on. Do you know _______? —To prepare for the material(材料) the meeting will need tomorrow, I think.
B.
why he stays up so late
D.
when he will stop working
【简答题】下列指标中,属于质量指标的是( )。 A.某企业全员劳动生产率 B.某企业职工的平均工资 C.某校全部人数 D.某年国民生产总值 (1.0分)A.B.C.D. D
【单选题】查找电子书《智能建筑节能工程》,应选择( )数据库。
【单选题】为了了解某市国有企业的基本情况,对该市所有国有企业进行调查,其中某一国有企业有正式员工5285人,临时员工950人,该国有企业最大的一个部门所有员工为780人,其中正式员工120人,高级工程师36人,占员工总数的19.3%,上述数值中属于统计指标的有()个。
【多选题】下列指标和时间构成的数列中属于时期序列的是( )。
【单选题】听力原文:W: Robert, you play the guitar, don't you? M: I used to. But I haven't played quite some time. I don't really have time these days with all my studies. Why do you ask? W: I'm trying to organize a...