价格干预措施有()
A.限定差价率或者利润率
B.规定限价
C.提价申报
D.调价备案制度
E.临时集中定价权限
参考答案:B, C, D, E
The computer software is old, _____ very out of date. [ ]
A. or rather
B. rather than
C. other than
D. more than
铅酸蓄电池的自放电是如何产生的,及影响自放电的因素有哪些。