功用为泻火解毒的方剂是
A.黄连解毒汤
B.昔济消毒饮
C.凉膈散
D.仙方活命饮
E.五味消毒饮
参考答案:A
It is difficult to ________ a conversation with someone who only says “Yes” and “No”.
A.keep up
B.take up
C.make up
D.pick up
环境监测分为哪几种类型?