运行下列程序：Private Sub Command1_Click（)Dim s1 As String * 1Dim s2 As Strings1 = &quo

下列程序运行时,消息框显示的内容是（)。Private Sub Command1_Click（)MsgBox CStr（123 ＋ 321)

运行下列程序：Private Sub Command1_Click（)s$ = "abcdefabcdefabcdef"k = InStr（

运行下列程序：Private Sub Command1_Click（)x = "祝你成功"y = "1234"F

运行下列程序：Private Sub Command1_Click（)x = 1z = InputBox（"请输入一个整数2"

运行下列程序：Private Sub Command1_Click（)a = Val（InputBox（"a = "))Print fun1

（14）有下列程序，程序运行后单击命令按钮，则输出的结果是 Private Sub Command1_Click（) Dim a%（1