患者，女，58岁，心悸不安，胸闷心痛时作，唇甲青紫，舌质紫暗，脉结代，宜首选（）
A.莪术
B.三棱
C.丹参
D.水蛭
E.益母草
参考答案：C
—_________
—He's a high school student.[ ]
A. Where does he work?
B. What does he look like?
C. What does he do?
D. Who is he?
影响血药浓度的生理因素是
A．年龄、性别、生活因素、饮食状况B．年龄、性别、遗传、生活因素C．年龄、性别、肥胖、生活因素D．年龄、性别、肥胖、遗传和其他E．年龄、性别、肥胖、环境因素
work?