患者男性，47岁。患高血压，因工作较忙，常忘记服药造成血压控制不稳，引起心肌劳累。大夫为其处方：拜心同，用法每日一次。结果血压控制稳定、正常。影响口服缓控释制剂的设计的理化因素不包括（）
A. 稳定性
B. 水溶性
C. 油水分配系数
D. 生物半衰期
E. pKa
F. 解离度
查看答案
Why do the speakers read children stories?/imgcache/attached/media/20140228/20140228170653_7104.mp3
A. These stories are interestin9．
B. They can learn how to write such stories．
C. These stories are written by a famous doctor．
D. The stories are on their reading list．
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