“x＜-1”是“x2-1>0”的[ ]
A.充分而不必要条件
B.必要而不充分条件
C.充要条件
D.既不充分也不必要条件
答案：A
— Is it________that our team will win?
— Yes, that is for________.[ ]
A. sure; certain
B. certain; sure
C. made sure; certain
D. made certain; sure
如果法定存款准备金与实际存款准备金相等，则超额存款准备金率e的大小是( )。
A．e=0
B．e＞0
C．e＜0
D．e趋于无穷大
