治疗产后腹痛气血两虚证，应首选的方剂是（）
A.肠宁汤
B.八珍汤
C.生化汤
D.四君子汤
E.人参养荣汤
参考答案：A
与880°终边相同的最小正角是______°．
Stay awake！You should know that it ________to sleep in class.
A．doesn’t permit
B．is not permitted
C．will not be permitted
D．was not permitted
