运行下面程序后,在窗体中显示的是______. Private Sub Form_Click() a$="*": b$="$" For k=1 To 3 x$=String$(Len(a$)+k,b$) Print x$; Next k Print End Sub A. 1*$2*$3*$ B. *$*$*$ C. $$$$$$$$$ D. *** ** ****
【单选题】How men first learned to invent words is unknown; 【B1】 , the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain 【B2】 to express thoughts and feel...