有下列程序： Private Sub Command1_Click() X$="Nanchang" y$="Beijing" z$="Nanjing" z$=InStr(Left(x$，3)+Right(y$，4)，z$) Print z$ End Sub 程序运行后，单击命令按钮，则窗体上显示的内容是

A．0

B．1

C．3

D．4

[单选题]运行下列程序:Private Sub Command1_Click( )x = 3If x < 3 Then Print x £« 3;If x < 4运行下列程序：Private Sub Command1_Click( )x = 3If x < 3 Then Print x + 3;If x < 4 Then Print x + 4;If x < 5 Then Print x + 5;If x < 6 Then Print x + 6;PrintE．nd Sub单击Co

[单选题]运行下列程序：Private Sub Command1_Click( )x = "祝你成功"y = "1234"F．or i = 1 To 4z = z + Mid(x, i, 1) + Left(y, 1)Next iPrint zE．nd Sub单击Command1命令按钮后，则在窗体上显示的结果是( )。A．祝你成功1234B．祝1你2成3功4C．1234祝你成功D．祝1你1成1功1

[单选题]运行下列程序：Private Sub Command1_Click( )x = 1z = InputBox("请输入一个整数2")Select Case zC．ase Is > 0y = x + 1C．ase Is = 0y = x - 2C．ase Elsey = x + 5E．nd SelectPrint x; yE．nd Sub从键盘输入2，输出的结果是( )。A．0 1B．1 2C．1 3D．5 5

[单选题]运行下列程序：Private Sub Command1_Click()D．im x As Integer, n As Integern = 0D．on = n + 2x = x + nLoop While n< 10D．ebug.Print xE．nd Sub单击Command1命令按钮后，则在立即窗口上输出结果是是()。A．2B．10C．12D．30

[单选题]有如下程序:Private Sub Command1_Click()a$="A WORKER IS HERE"x=Len(a$)F．or i=1 To x - 1b$=Mid$(a$, i, 3)If b$="WOR" Then S=S + 1NextPrint SE．nd Sub单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序：Private Sub Command1_Click()a$="A WORKER IS HERE"x=Len(a$)F．or i=1 To x-1b$=Mid$(a$，i，3)If b$="WOR"，Then S=S+1NextPrint SE．nd Sub单击命令按钮，程序运行结果为AA．1B．2C．3D．5

[单选题]有如下程序： Private Sub Command1_Click() a$="A WCIRKER IS HERE" x=Len(a$) For i=1 To x-1 b$=Mid$(a$,i,3) If b$="WOR"Then S=S+1 Next Print S End Sub 单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序： Private Sub Command1_Click() as="A WORKER IS HERE" x = Len(a$) For i=1 To x - 1 b$ =Mid$(a$, i,3) If b$ ="WOR" Then S=S+ 1 Next Print S End Sub 单击命令按钮，程序运行结果为A．1B．2C．3D．5

[单选题]有如下程序： Private Sub Command1_Click( ) a$="A WORKER IS OVER THERE" x=Len(a ＄) For i=1 To x-1 b$=Mid $(a $，i，2) If b $="ER"Then s=s+1 Next i Pdnt s End Sub 程序运行后的输出结果是A．1B．2C．3D．4

[单选题]运行下列程序：Private Sub Command1_Click( )a = Val(InputBox("a = "))Print fun1(a)E．nd SubPrivate Function fun1(b)If b > 0 Thenfun1 = 10E．lseIf b = 0 Thenfun1 = 9E．lsefun1 = 8E．nd IfE．nd Function单击按钮后从键盘为变量a输入数据3，输出的结果是( )。A．3B．8C．9D．10