外用有清热收湿作用，可用治湿疮、湿疹、痱子等皮肤病的药物是（）
A.茯苓
B.猪苓
C.车前子
D.滑石
E.芒硝
参考答案：D
---When will the expert come and give the lecture on intellectual property?
---Not until our program _______ by the authorities. [ ]
A. approves
B. has been approved
C. is to approve
D. will be approved
长期或大量使用，可损伤血管内皮细胞的药物是
A．缩宫素B．麦角新碱C．甲基麦角新碱D．麦角胺E．PGE2
