口周单纯疱疹的首选治疗（）
A.核苷类药物内用
B.干扰素
C.外用药物治疗
D.冷冻
E.外用抗生素软膏
参考答案：A
Last Sunday my aunt _____ at home with me. We were watching TV all day.[ ]
A. was
B. were
C. is
D. are
与局麻药吸收有关的因素（）
A.注药部位
B.注药剂量
C.局部组织血液灌流
D.药物与组织结合
E.加用血管收缩药
