如果变量a中保存字母"m"，则以下程序段执行后，变量Str$的值是 Select Case a$ Case "A" To "Z" Str$ = "Upper Case" Case "0" To "9" Str$ = "Number " Case "!", "?", ",", ") ", ";" Str$ = "Punctuaton" Case "" Str$ = "Null String" Case Is < 32 Str$ = "Special Character" Case Else Str$ = "Unknown Character" End Select
- A.Unknown Character
- B.Special Character
- C.Upper Case
- D.Punctuaton
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参考答案：A
解析：
【解析】本题考查的是多路分支语句select case … end case知识点。该题将字符m赋值给变量a。程序会执行满足case后条件的那一条指令，然后跳出循环。本题m的ASCII码值大于32，不满足所有条件，所以执行case else后的语句。因此，本题应选择A选项。