诺氟沙星抗菌机理是
A. 抑制细菌细胞壁的合成
B. 抗叶酸代谢
C. 影响胞浆膜通透性
D. 抑制DNA螺旋酶,阻止DNA合成
E. 抑制蛋质白合成
They talked as if they () good friends for years.
A. are
B. had been
C. were
D. have been
郑声多由于
A. 热扰心神
B. 阳明腑实
C. 心气大伤
D. 痰火扰心
E. 伤寒蓄血
以下除哪项外,均为黄柏的适应证
A. 湿热淋证
B. 湿热痢疾
C. 湿热黄疽
D. 湿热呕吐
E. 湿热带下