( )是存款货币和现金货币流通的总渠道。
A．现金发行和现金投放
B．银行信贷投放和回笼
C．现金投放和回笼
D．现金归行和现金回笼
参考答案：B
It's time ________ you ________ playing soccer. [ ]
A. of; to practice
B. for; to practice
C. for; practice
D.of; to practice
数字调度操作台显示通信故障时，应怎样处理？（有线）
