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题型:单选题 题类:常考题 难易度:普通

浙江省绍兴市2019-2020学年高二下学期信息技术期末调测技术试卷

有如下程序段:

Dim s As String, ch As String

Dim ansAs String, i As Integer

s = Text1.Text

For i = 1 To Len(s)

ch = Mid(s, i, 1)

If ch >= "A" And ch <= "Z" Then

ch = Chr(asc(ch) + 3)

ElseIf ch >= "a" And ch <= "z" Then

ch = Chr(asc(ch) - 3)

End If

ans = ans + ch

Next i

Text2.Text = ans

运行时文本框Text1中输入“Tu5Mp4”,则文本框Text2中输出的内容是(    )

A、Wx2Ps1 B、Wr5Pm4 C、WrPm1 D、Wx5Ps4
举一反三
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