基于web的学习系统一般包括()
A.学习教学子系统
B.资源管理子系统
C.课程开发子系统
D.教学教务管理子系统
参考答案:A, B, C, D
The monetary policy rule that would most likely result in the greatest increase in the price level after a productivity shock is a:()
A. fixed rule policy that focuses on file price level.
B. fixed-rule policy that focuses on GDP growth.
C. feedback-rule policy that focuses on GDP growth.
下面的交换方式中,______更适合通信任务繁重的网络。
A.快捷模式 B.电路交换C.存储转发交换 D.信息交换