编写如下程序： Dim num As Integer, r As Integer, n As Integer, i As Integer Dim arr(5) As Integer Private Sub Command1_Click() num =

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问题编写如下程序：
Dim num As Integer, r As Integer, n As Integer, i As Integer
Dim arr(5) As Integer
Private Sub Command1_Click()
num = 12: r = 2
Call sub1(num, r, n)
For i = n To 1 Step -1
Print arr(i);
Next i
End Sub
Sub sub1(d As Integer, r A

选项 A、1  1  0  0
B、0  0  1  1
C、0  1  0  1
D、1  0  1  0

答案A

解析 sub1函数对全局数组arr元素赋初值，sub1函数参数传递均为默认的引用传递。因此执行完后n值被修改。Command1_Click()事件中的For循环对arr数组元素进行倒序输出。选A）。

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本试题收录于：二级VB题库NCRE全国计算机二级分类