单室模型静脉滴注给药，达稳态前停止滴注给药的血药浓度一时间关系式是（）
A.
B..
C.
D.
E.
参考答案：D
进行静平衡测试时，客梯平衡系数在（）之间，货梯平衡系数在（）之间。超载运行以（）为标准。
— that made him unhappy?
—Well, failing in his English test.
A．Where was it
B．What was it
C．How was it
D．Why was it
.
.