【单选题】EXCEL中,不能复制工作表的操作是()
D.
用鼠标右键单击工作表,从快捷菜单中选择“移动或复制工作表”命令
【判断题】若X,Y独立,则E(XY)=E(X)E(Y)
【单选题】在“移动或复制工作表”对话框中勾选“建立副本”是指?
【简答题】现实的人力资源数量由适龄就业人口、______________、老年就业人口数量构成。
【简答题】( )是性质相同的数据元素的集合,是数据的一个子集。
【单选题】数据对象是一组性质相同的数据元素的集合。
【单选题】What does the passage say about corporate America in the near future?
A.
More and more women will sit in the boardroom.
B.
Gender imbalance in leadership is likely to change.
C.
The public is undecided about whether women will make good leaders.
D.
People have opposing opinions as to whether it will have more women leaders.
【单选题】What does the author say about deep wells?
A.
They run without any need for repairs.
B.
They are entirely free from pollutants.
C.
They are the ultimate solution to droughts.
D.
They provide a steady supply of freshwater.
【单选题】在EXCEL中,若一个工作簿有4个工作表,其中一个的名字是ABC,复制这个工作表后(建立副本),新的工作表名是____