药代动力学的几个重要参数表示符号
表观分布容积为
A.K B.Ka C.F D.V E.t1/2
参考答案:D
This kind of milk well this year. It________ out soon.
A.sells; will be sold
B.sells ; is sold
C.is sold; will be sold
D.is sold; sells
夜间观测云、能见度时,由于光照不足,观测前应先在暗处停留至少()分钟。
A、3
B、4
C、5
D、15