如果12x=25y,
那么x:y=25:12=4:5=45;
故答案为:45.
根据()的基本机理,农业银行建立统一的授权管理制度。
A.横向平行制衡
B.纵向权限制约
C.纵向权限制衡
D.横向平行制约
I ________ the piano when I was a little child, but I haven’t played recently, so I have forgotten
a lot.[ ]
A. blew up
B. put up
C. took up
D. packed up