内服能够清热泻火、除烦止渴,火煅外用能够敛疮生肌、收湿、止血的药物是()
A.石膏
B.知母
C.栀子
D.芦根
E.竹叶
参考答案:A
The teacher commanded that the exercises in an hour.
A.was finished
B.were finished
C.should finish
D.be finished
在安排各类岗位及人员的比例时,必须处理好哪些关系?