什么样的药物更易透过表皮细胞膜吸收()
A.脂溶性和非解离型
B.水溶性和非解离型
C.脂溶性和解离型
D.水溶性和解离型
E.上述都不对
参考答案:A
----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It's very difficult after all.
A. must have
B.could have
C.should have
D.might have
经济法的基本原则有______
A.调制严格原则
B.调制自由原则
C.调制法定原则
D.调制绩效原则
E.调制适度原则