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．1

B．2

C．3

D．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$="A WORKER IS HERE"x=Len(a$)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$="A WCIRKER IS HERE" x=Len(a$) 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( ) 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]有如下程序。Private Sub Command1_Click()D．im a As SingleD．im b As Singlea=5: b=4C．all Sub1(a, b)E．nd SubSub Sub1(x As Single, y As Single)t=xx=t / yy=t Mod yE．nd Sub在调用运行上述程序后,a和b的值分别为A．0 0B．1 1C．2 2D．1 2

[单选题]有如下程序： Private Sub Command1_Click() Dim a As Single Dim b As Single a=5:b=4 Call Sub1(a,b) End Sub Sub Sub1(x As Single，y As Single) t=X X=t/Y Y=t Mod y End Sub 在调用运行上述程序后，a和b的值分别为A．0 0B． 1 1C．2 2D．1 2

[单选题]有如下程序。Private Sub Command1_Click()D．im k As Integer, m As IntegerD．im op As Integerk=4: m=1op=PPC(k, m) : Print op;op=PPC(k, m) : Print opE．nd SubPrivate Function PPC(a As Integer, b As Integer)Static m As Integer, i As Integerm=0: i=2i=i + m + 1m=i

[单选题]设有如下程序： Private Sub Command1_Click() Dim C As Integer， d As Integer c=4 d=InputBox(“请输入一个整数”) Do While d＞0 If d＞c Then c=c+1 End If d=InputBox(“请输入一个整数”) Loop Print c+d End Sub 程序运行后，单击命令按钮，如果在输入对话框中依次输入1、2、3、4、5、6、7、8、 9和0，则输出结果是A．12B．11C．10D．9

[单选题]设有如下程序： Private Sub Command1_Click() Dim Sum As Double， x As Double sum=0 n = 0 For i= 1 To 5 x = n / i n = n + 1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值，这个表达式是A．1+1/2+2/3+3/4+4/5B．1+1/2+2/3+3/4C．1/2+2/3+3/4+4/5D．1+1/2+1/3+1/4+1/5

[单选题]设有如下程序： Private Sub Command1_Click() Dim sum As Double, x As Double sum=0 n=0 For i=1 To 5 x=n/i n=n+1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值，这个表达式是______。A．1+1/2+2/3+3/4+4/5B．1+1/2+2/3+3/4C．1/2+2/3+3/4+4/5D．1+1/2+1/3+1/4+1/5