单项选择题
在窗体上添加一个命令按钮(其Name属性为Command1),然后编写如下代码:
Option Base 1
Private Sub Command1_Click()
Dim a
s = 0
a = Array(4, 3, 2, 1)
j = 1
For i = 4 To 1 Step -1
s = s + a(i)* j
j = j * 10
Next i
Print s
End Sub
运行上面的程序、单击命令按钮,其输出结果是
A.4321
B.1234
C.34
D.12
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单项选择题
在窗体上画一个文本框,然后编写如下事件过程: Private Sub Text1_KeyPress(KeyAscii As Integer) Dim char As String char=Chr(KeyAscii) KeyAscii=Asc(Ucase(char)) Print String(6,KeyAscii) End Sub 程序运行后,如果在键盘上输入字母“a”,则在窗体上显示的内容为
A.a
B.A
C.aaaaaa
D.AAAAAA
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单项选择题
阅读下面的程序; Function Func(x As Integer,y As Integer)As Integer Dim n As Integer Do While n < = 4 x=x + y n = n + 1 Loop Func=x End Function Private Sub Command1_Click() Dim x As Integet, y As Integer Dim n As Integer,z As Integer x=1 y=1 For n = 1 To 6 z=Func(x,y) Next n Print z End Sub 程序运行后,单击命令按钮,输出的结果为.
A.16
B.21
C.26
D.31
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