Most children like watching TV. It’s very    1   . By watching TV they can see and learn a lot and know many things about     2    country and the world. Of course, they can also   3  over the radio. But they can learn better and more    4    on TV.     5   ? Because they can hear and watch at the same time. But they can’t see    6    over the radio. TV helps to open children’s    7   . It helps to open their minds, too. They learn newer and        8    ways of doing things. Many children watch TV only on Saturday or Sunday evening. They are always busy    9   their lessons. But a few children watch TV every night. They go to bed very     10   . They can’ t have a good rest. How about you, my young friend?

有关我国的货币政策工具，以下论述正确的是( )。

A．中央银行在金融市场上买卖证券的目的不是为了盈利

B．存款准备金包括法定存款准备金和超额存款准备金

C．调整法定存款准备金率被称为调节经济的“猛药”，所以完全不能在一年之内多次调整

D．存款准备金制度的初始作用并非是作为货币政策工具

E．使用再贴现率工具时，央行处于被动地位