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【多选题】
工程管理软件应用步骤为( )。A.
确定项目管理软件应用目标
B.
确定项目管理软件应用范围
C.
确定项目管理软件应用需求
D.
项目管理软件的选择
E.
项目管理软件应用规划
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反馈参考答案：
举一反三
【简答题】（2六v4?岚山区模拟）已知3x+2了=44，2x+3了=4五，那么x=______，了=______．
【单选题】He was wounded. He went on fighting.
A.
Even though he was wounded, he went on fighting.
B.
He was wounded, even if he went on fighting.
【简答题】A．He slept in the office. B．He went shopping for a clothes. C．He went to Mary's house to see him. D．He did nothing at all.
【简答题】已知：五个数a，2，3，4，5的平均数为3，那么这五个数的方差是______．
【简答题】已知有五瓶透明溶液：Ba(NO 3 ) 2 、Na 2 CO 3 、KCl、Na 2 SO 4 和FeCl 3 。除以上五种溶液外，不用任何其他试剂和试纸，请将它们一一区别出来。
【单选题】After he finished the paper, he went to work.
A.
After the paper, he went to work.
B.
After finished the paper, he went to work.
C.
After he finished the paper, he went to work. - NO CHANGE POSSIBLE
【简答题】已知2，3，5，m，n五个数据的方差是2，那么3，4，6，m+1，n+1五个数据的方差是（ ）。
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