最适合于CO2超临界萃取的中药成分为
A.皂苷
B.多糖
C.挥发油
D.生物碱
E.蛋白质
参考答案:C
解析: CO2超临界萃取适合提取小极性、挥发性成分。
一男性患者,75岁,项后部有头疽7天,肿块上有多个脓头,色红灼热,高肿疼痛,伴发热、恶寒、头痛、食欲不振。治宜()
A.散风清热、活血消肿
B.清热解毒
C.和营托毒
D.益气健脾托毒
E.清热解毒、佐补益
He isn't a policeman, _______? [ ]
A. isn't he
B. don't he
C. is he
D. does he