阅读下列程序段,程序运行后,显示结果为:()。

A.10

B.30

C.1030

D.3010

A.10

B.30

C.1030

D.3010

阅读下列程序并写出程序运行结果。

Private Sub Form_Click()

Dim x As Integer

Static y As Integer

x = x + 2

y = y + 3

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。

阅读下列程序并写出程序运行结果。

Private Sub Command1_Click()

x = 0

Do While x ＜ 60

x = (x + 3) * (x + 4)

n = n + 1

Loop

Text1.Text = Str(n)

Text2.Text = Str(x)

Text3.Text = Val(Text1.Text) + Val(Text2.Text)

End Sub

写出程序运行后，文件框Text3的结果。

A.3

B.9

C.14

D.21

A.9

B.10

C.15

D.24

阅读下列程序并写出程序运行结果。

Private Sub Form_Click()

Dim A(1 To 3) As String

Dim c As Integer

Dim j As Integer

A(1) = "4"

A(2) = "8"

A(3) = "12"

c = 1

For j = 1 To 3

c = c + Val(A(j))

Next j

Print c

End Sub

写出程序运行时单击窗体后，窗体Form1上的结果。

A.0

B.1

C.2

D.不一定

A.12

B.123

C.12345

D.0