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