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s = Text1.Text
For i=1 To Len(s)
ch = Mid(s,i,1)
If ch>="A" And ch<="Z" Then t=t+ch
If ch>="a" And ch<="z" Then
ch = Chr(Asc(ch)-32)
t=t+ch
ElseIf ch >= "0"And ch <= "9" Then
t=ch+t
End If
Next i
Text2.Text = t
已知'A'的ASCI码为65，'a'的ASCI码为97.程序运行后，在文本框Textl中输入“Text2.text=”Abc1234“”（外括号不包括），则在Text2中显示的内容是（
| A．TEXT2.TEXTABC1234 | B．43212TexttextABC |
| C．43212TEXTTEXTABC | D．TEXTTEXTABC43212 |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
