关系运算中花费时间可能最长的运算是( )。

题库:计算机等级考试 类型:最佳选择题 时间:2021-06-06 14:26:27 免费下载:《单选题》Word试卷

关系运算中花费时间可能最长的运算是( )。
A.Private Sub Form _ Mouse Up(Button As Integer,Shift AS Integer,_                  X As Single,Y As Single)     If Button=2 Then       PopupMenu mnuEdit,vbPopupMenuCenterAlign Or_         vbPopupMenuRightButton,X,Y,mnuEditOpen     End If   End Sub
B.Private Sub Form _ MouseUp(Button AS Integer,Shift AS Integer,_                 X As Single,Y As Single)     If Button=2 Then       PopupMenu mnuEdit,     End If   End Sub
C.Private Sub Form _ MouseUp(Button AS Integer,Shift AS Integer,_                 X As Single,Y As Single)     PopupMenu mnuEdit,vbPopupMenuCenterAlign Or_            vbPopupMenuRightButton   End Sub
D.Private SUb Form _ MouseUp(Button AS Integer,_                 Shift As Integer,X As Single,Y As Single)     If Button=2 Then          PopupMenu mnuEdit,2     End If   End Sub

关系运算中花费时间可能最长的运算是(   )。

本题关键词:数__算,求和运算,运费,运转时间,形式运算阶段,试运行时间,国际运费,场外运费,国外运费,等长运动;

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