下列使用寿命最短的手枪是()。
A.77式手枪
B.92式手枪
C.54式手枪
D.转轮手枪
参考答案:A
During activity sequencing, you identify and document interactivity dependencies. All the following are outputs from activity sequencing process EXCEPT()
A. project schedule network diagrams
B. activity attribute updates
C. requested changes
D. milestone list
在Excel97中,要在B1单元格中显示A1、A2、A3单元格中数据的平均值,错误的公式是( )。
A.=(A1+A2+A3)/3
B.=SUM(A1:A3)/3
C.=AVERAGE(A1:A3)
D.=AVERAGE(A1:A2:A3)