通过公开市场业务可以增加或减少()。
A、商业银行资本金
B、商业银行借款成本
C、商业银行准备
D、流通中现金
E、流通中商业票据
参考答案:C, D
根据句意及单词的首字母完成句子
1. -I'm hungry now,mum. -You can find some food in the k .
2. There is a p on the wall. It says Jacky will have a concert in our city.
3. Tom didn't go to bed until he finished the t .
4. Sorry, I can't go to the party. I have to b my little brother.
5. He has p with English.
丹毒是皮肤淋巴管网的急性感染,其致病菌为()。