试题 试卷
题型:综合题 题类:模拟题 难易度:普通
浙江省杭州市2015年高考信息技术模拟卷4
Private Sub Command1_Click( )
Dim a As Single, b As Single,s As Single,g As Single
a = Val(Text1.Text)
b = Val(Text2.Text)
s = Val(Text3.Text)
Label5.Caption =
End Sub
Private Sub strlink_Click( )
Dim a As String, b As String
a = “100”
b = “200”
Text1.Text = a + b
下列说法正确的是( )
实现该功能的程序代码如下:
Private Sub Command1_Click()
Dim i As Integer,ch As String,s As String
Dim my(0 To 127)As Boolean ‘0~127表示128个ASCII字符的ASCII值
s=Text1.Text
For i=0 To 127
my(i)=False
Next i
If ① then
Text2.Text=”密钥长度不足26个字符!”
Else
For i=1 To 26
ch=Mid(s,i,1)
t= ②
If my(t)=False Then
my(t)=True
Text2.Text=“密钥中有重复字符!”
Exit Sub
EndIf
Text2.Text=“密钥正确!”
试题篮