单击窗体时,下列程序的执行结果是( )。   Private Sub Invert(By Val 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

题库:计算机等级考试 类型:最佳选择题 时间:2017-07-03 16:55:14 免费下载:《单选题》Word试卷

单击窗体时,下列程序的执行结果是( )。   Private Sub Invert(By Val 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.blooean isAlive( )
B.Thread currentThread( )
C.String getName( )
D.smtic boolean interrupted( )

单击窗体时,下列程序的执行结果是(    )。
  Private Sub Invert(By Val xstr As String,ystr As Stri

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