单项选择题

23 有如下程序段，该程序段循环的次数是______。
Dim i As Integer
Dim j As Integer
Dim k As Integer
k=0
For i = 0 To 10 Step 3
For j = 1 To 5
If j ＞ 3 Then k = k + 4: Exit For
k=k+1
Print k
Next j
If i ＞ 8 Then Exit For
Next i

A．9
B．10
C．11
D．12

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单项选择题

窗体中有3个按钮Command1、Command2和Command3，该程序的功能是当单击按钮Command1时，按钮2可用，按钮3不可见，正确的程序是 Private Sub Command1_Click() Command2. Visible=False Command3. Enabled=True End Sub Private Sub Commnd1_Click() Command2. Visible=False Command3. Enabled=False End Sub Private Sub Command1_Click() Command2. Enabled=True Command3. Visible=False End Sub Private Sub Command1_Click() Command2. Visible=True Command3. Enabled=True End Sub

单项选择题

下列程序段的执行结果是______。 option base 1 private eommand1_c1ick () Dim A(10) Dim E(5) For i = 1 To 10 A(i) = i Next i For j = 1 To 5 B(j) = j * 20 Next j A(5) = B(2) Print “A(5)=”; A(5) End sub

A．A(5)=20
B．A(5)=30
C．A(5)=40
D．A(5)=50

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