下列程序的运行结果为（ ）。 Private Sub Command1_Click() Score = Int(Rnd * 10) + 80 Select Case Score Case ls < 60 a$ = "E" Case 60 To 69 a$ = "D" Case 70 To 79 a$ = "C" Case 80 To 89 a$ = "B" Case Else a$ = "A" End Select Print a$ End Sub

以下程序段中，执行结果与其他3个选项不同的是 A: Dim y As Integer B: y = 11 C: Select Case y D: Case 15 To 5 E: Print "Executed" F: End Select G: Dim y As Integer H: y = 10 I: Select Case y J: Case Is > 10, Is < 10 K: Print " Executed " L: End Select M: Dim y As Integer N: y = 10 O: Select Case y P: Case Is > 15, 1, 5 To 8 Q: Print " Executed " R: End Select S: Dim y As Integer T: y = 10 U: Select Case y V: Case 1, 3, Is > 6 W: Print " Executed " X: End Select

判断一个字符是字母字符、数字字符还是其他字符,并做相应的显示。字母字符显示字符串"字母";数字字符显示字符串"数字";其他字符显示字符串"其他"。 Private Sub Form_Click() Dim n As String n = InputBox("请输入一个字符") Select Case n Case "a" To "z", "A" To "Z" Print "字母" Case 【1】 Print "数字" Case Else Print "其他" End Select End Sub

以下语句正确的是：______。 A: Select Case a B: Case C: b=1 D: Case “B” E: b=2 F: Case Else G: b=3 H: End Select I: Select Case a J: Case “A” K: b=1 L: Case “B” M: b=2 N: Case Default O: b=3 P: End Select Q: Switch a R: Case “A” S: b=1 T: Case “B” U: b=2 V: Case Else W: b=3 X: End Switch Y: Switch a Z: Case “A” [: b=1 \: Case “B” ]: b=2 ^: Case Default _: b=3 `: End Select

设有如下窗体单击事件过程,则窗体运行后,单击窗体,消息框输出的结果是______。 Private Sub Form_Click() a=1 For i=1 To 3 Select Case i Case 1,3 a=a+1 Case 2,4 a=a+2 End Select Next i MsgBox End Sub