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单击窗体时，下列程序的执行结果是
Private Sub Invert（ByVal xstr As String, ystr As String）
Dim tempstr As String
Dim I As Integer
I=Len（xstr）
Do While I >=1
tempstr=tempstr + Mid（xstr, I, 1）
I=I - 1
Loop
ystr=tempstr
End Sub
Private Sub Form_Click（）
Dim s1 As String, s2 As String
s1= "abcdef"
Invert s1, s2
Print s2
End Sub（ ）。
A．abcdef
B．afbecd
C．fedcba
D．defabc
参考答案
更多 “ 单击窗体时，下列程序的执行结果是Private Sub Invert（ByVal xstr As String, ystr As String）Dim tempstr As StringDim I As IntegerI=Len（xstr）Do While I =1tempstr=tempstr + Mid（xstr, I, 1）I=I - 1Loopystr=tempstrEnd SubPrivate Sub Form_Click（）Dim s1 As String, s2 As Strings1= "abcdef"Invert s1, s2Print s2End Sub（ ）。A．abcdefB．afbecdC．fedcbaD．defabc ” 相关考题
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