s = "Hello World"
s1 = ""
n = Len(s)
For i = 1 To n \2
If Mid(s, i, 1) > Mid(s, n - i + 1, 1) Then
s1 = s1 + Mid(s, i, 1)
Else
s1 = Mid(s, n - i + 1, 1) + s1
End If
Next i
Text1.Text = s1
执行该程序段后,在文本框Text1中显示的是( )
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