C语言考试试题
三、阅读题(每格2分，共20分)
1.
Private Sub Form_Click()
Dim x As Integer
Static y As Integer
x = x + 3
y = y + 4
Form1.Print "x="; x, "y="; y
End Sub写出程序运行时连续单击三次窗体后，Form1上的输出结果。
X=3,y=4 ， x=3,y=8 ， x=3,y=12 注：全局变量执行一次内存就消失了,static整个程序结束则消失
2.
Private Sub Form_Click()
Dim i As Integer, k As Integer, c As Integer
For i = 1 To 5
If i Mod 2 = 0 Then
k = k + 2
Else
c = c + 3
End If
Next i
Print k, c
End Sub
写出程序运行时单击窗体后，Form1上的输出结果。
K=4 ， c=9
3.
Private Sub Command1_Click()
Dim A(1 To 5) As Integer
Dim b As Integer
For b = 1 To 5
A(b) = b
Next b
Text1.Text = A(b - 2)
End Sub
写出程序运行时单击Command1按纽后，Text1上的输出结果。
4
4.
Sub Change(ByVal x As Integer, ByVal y As Integer)
Dim t As Integer
t = x
x = y
y = t
Print x, y
End Sub
Private Sub Form_Click()
Dim a As Integer, b As Integer
a = 5: b = 8
Change a, b
Print a, b
End Sub
写出程序运行时单击Command1按纽后，Form1上的输出结果。
8 5 ， 5 8
5.
Private Sub Form_Click()
Static Sum As Integer
For i = 1 To 3
Sum = Sum + i
Next i
Print Sum
End Sub
写出程序运行时点击窗体两次后，变量Sum的值。
6 ， 12
6.
Sub test(i As Integer)
i = i + 3
End Sub
Private Sub Form_Click()
Dim x As Integer
x = 8
Print "x="; x
Call test(x)
Print "x="; x
End Sub
写出程序运行时,单击窗体后显示的值。
7.
Private Sub Form_Click()
Dim I As Integer, j As Integer
Dim c As Integer
c = 0
For I = 1 To 3
For j = 1 To 3
c = c + 4
Next j
Next I
Print c
End Sub
写出程序运行时,单击窗体后显示的值。
36