【单选题】设有命令按钮Commandl的单击事件过程 Private Sub Commandl_Click() Dim a(3,3) As Integer For i=1 T0 3 For j =1 T0 3 a(i,j)=i*j+i Next j Next i Sum =0 For i=1 T0 3 Sum= Sum+a(i,4一i) next i Print Sum End Sub 运行程序,单击命令按...
【简答题】设有命令按钮Commandl的单击事件过程 Private Sub Commandl_Click() Dim a(3,3) As Integer For i=1 T0 3 For j =1 T0 3 a(i,j)=i*j+i Next j Next i Sum =0 For i=1 T0 3 Sum= Sum+a(i,4一i) next i Print Sum End Sub 运行程序,单击命令按...
【简答题】C.O.P.D(慢性障碍性肺病) blocks air flow through the lungs. It makes breathing difficult. The leading cause of C.O.P.D. is cigarette smoking. Experts at the National Institutes of Health in the United States ...