运行下列程序,单击Command1,在窗体上显示的第一行内容是(),第二行的内容是(),第三行的内容是()("A"的ASCII码是65,"z"是90)Option ExplicitPrivate Sub Commandl_Click()Dim i As Integer,st As String,n As Integer,p As String*1P="B"For i=3 To 1 Step -1
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运行下列程序,单击Command1,在窗体上显示的第一行内容是(),第二行的内容是(),第三行的内容是()("A"的ASCII码是65,"z"是90)Option ExplicitPrivate Sub Commandl_Click()Dim i As Integer,st As String,n As Integer,p As String*1P="B"For i=3 To 1 Step -1