Where's my pen? [ ]
A. It's in the desk.
B. It's under the desk.
C. It's on the desk.
答案:B
我国电网以交流供电,频率为 ______赫兹,电流方向每秒改变 ______次.
个人贷款的利率按()执行。
A.证监会规定的利率
B.浮动利率
C.固定利率
D.中国人民银行规定的同档次贷款利率
E.银行同业拆借利率