以下哪些疾病常见黄斑囊样水肿()
A.缺血型视网膜静脉阻塞
B.葡萄膜炎
C.糖尿病性视网膜病变
D.白内障摘除术后
E.视网膜中央静脉阻塞
参考答案:A, B, C, D
____ she is not so cheerful _____ she used to be?[ ]
A. How is it that; as
B. Why is it that; what
C. Is it why; that
D. How it is that; as
转运速度恒定、与血药浓度无关的体内药物转运过程,称为 ()
A.表观分布容积
B.零级速度过程
C.清除率
D.速率常数
E.隔室模型