![[单项选择题] 执行下面的程序,单击窗体后在窗体上显示的结果是,第1张 [单项选择题] 执行下面的程序,单击窗体后在窗体上显示的结果是,第1张](/aiimages/%5B%E5%8D%95%E9%A1%B9%E9%80%89%E6%8B%A9%E9%A2%98%5D+%E6%89%A7%E8%A1%8C%E4%B8%8B%E9%9D%A2%E7%9A%84%E7%A8%8B%E5%BA%8F%EF%BC%8C%E5%8D%95%E5%87%BB%E7%AA%97%E4%BD%93%E5%90%8E%E5%9C%A8%E7%AA%97%E4%BD%93%E4%B8%8A%E6%98%BE%E7%A4%BA%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF.png)
[单项选择题] 执行下面的程序,单击窗体后在窗体上显示的结果是 ______。Private Sub form_ Click() Dim Str1 As String, Str2 As String Dim Str3 As String, I As Integer Str1 = "e" for I = t To 2 Str2 = Ucase (Str1) Str1 = Str2 & Str1 Str3 = Str3 & Str1 str1 = Chr (Asc(Str1) + I) Next I Print Str3End Sub
A.EeFF
B.eEfF
C.EEFF
D.eeFF
正确答案:A
参考解析:本题的难点是熟悉下列字符串处理内部函数:Asc(x)为求单个字符ASCII代码函数,Chr[$](x)返回以x为ASCII代码值的字符,Ucase[$](x)将x字符串中所有小写字符改为大写字符。
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