单项选择题
设有命令按钮Command1的单击事件过程,代码如下:
Private Sub Command1_Click()
Dim a(3,3) As Integer
For i=1 To 3
For i=1 To 3
a(i,j)=i*j+i
Next j
Next i
Sum=0
For i=1 To 3
Sum=Sum+a(i,4-i)
Next i
Print Sum
End Sub
运行程序,单击命令按钮,输出结果是
A.20
B.7
C.16
D.17
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单项选择题
有如下程序: Option Base 1 Dim arr() As Integer Private Sub Form_Click() Dim i As Integer, j As Integer ReDim arr(3,2) For i=1 To 3 for j=1 To 2 arr(i,j)=i*2+j Next j Next i ReDim Preserve arr(3,4) For j=3 To 4 arr(3,j)=j+9 Next j Print arr(3,2); arr(3,4) End Sub 程序运行后,单击窗体,输出结果为
A.8 13
B.0 13
C.7 12
D.0 0
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单项选择题
在窗体上画一个文本框,其名称为Text1,然后编写如下过程: Private Sub Text1_KeyDown(KeyCode As Integer, Shift As Integer) Print Chr(KeyCode) End Sub Private Sub Text1_KeyUp(KeyCode As Integer, Shift As integer) Print Chr(KeyCode+2) End Sub 程序运行后,把焦点移到文本框中,此时如果敲击“A”键,则输出结果为
A.A
A
B.A
B
C.A
C
D.A
D
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