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s = "Happy 2021/07"
ans = "": f = True: Max = ""
For i = 1 To Len(s)
ch = Mid(s, i, 1)
If ch >= "a" And ch <= "z" Then
ans = ans + Chr(Asc(ch) - 32)
ElseIf ch >= "0" And ch <= "9" Then
f = False
End If
If Not f And ch > Max Then
Max = ch: f = True
End If
Next i
Label1.Caption = ans + Max
执行该段程序后，标签label1中显示的内容是（ ）
| A．Happy7 | B．HAPPY0 | C．HAPPY7 | D．APPY7 |
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
