选择题：Whenever an earthquake occurs, see to it that the

题目内容：

Whenever an earthquake occurs, see to it that the ______ and gas are turned off.(本题3.5分)
A、 electric
B、 electrical
C、 electronic
D、 electricity

参考答案：

非管理性事务的增多会使管理幅度:( )(本题3.5分) A、增加 B、不变 C、减少 D

非管理性事务的增多会使管理幅度:( )(本题3.5分) A、增加 B、不变 C、减少 D、扩大

Jim couldn’t remember when he first met Professor Wang, but he was sure it was _

[填空题,2.5分] 某银行想知道平均每户活期存款余额和估计其总量，根据存折账号的顺序，每50本存折抽出一本登记其余额。这样的抽样组织形式是（）。

There are __________ months in a year. December is the __________ month of the y