s = "491053"
For i = 1 To 3
n = Len(s)
k = 1
For j = 2 To n
If Mid(s, k, 1) >= Mid(s, j, 1) Then
k = j
Else
Exit For 'Exit For表示退出循环
End If
Next j
s = Mid(s, 1, k - 1) + Mid(s, k + 1, n - k)
Next i
Label1.Caption = s
执行该程序段后,标签Label1中显示的值是( )