用量不宜过大，常用量为3-6g的药物是（）
A．茯苓
B．滑石
C．地肤子
D．关木通
E．茵陈蒿
参考答案：D
My birthday is ______January and Peter's birthday is ______ March 26th. [ ]
A. in, at
B. in, on
C. on, /
D. at, on
什么是单元机组的启动？
