石膏的主治病证有（）
A.胃火头痛
B.水火烫伤
C.肺热咳喘
D.外伤出血
E.温病气分实热证
参考答案：A, B, C, D, E
At the time of the earthquake Jeff was still in his office. He ________ to finish a project before he left for the day.
A．has tried
B．had tried
C．has been trying
D．had been trying
抗乙肝病毒药十分常见的不良反应是（）
A.肝炎恶化
B.肾损害
C.骨髓造血功能抑制
D.腹痛
E.头晕
