药物溶解或分散在辅料中形成的微小球状实体
A．微球B．pH敏感脂质体C．磷脂和胆固醇D．纳米粒E．前体药物
参考答案：A
Please ______ the newspaper and see if there are any ads for jobs. [ ]
A. look around
B. look through
C. look up
D. look into
翼静脉丛与颅内交通的通道是
A．眼静脉、卵圆孔网、颈内静脉B．眼静脉、破裂孔导血管、卵圆孔网C．上颌静脉、破裂孔导血管、颈内静脉D．颈内静脉、破裂孔导血管、卵圆孔网E．眼静脉、上颌静脉、卵圆孔网
