PK/PD参数法是评价药物安全性的一种方法。
参考答案：错
-----How far apart do Tom and Jack live?
-----______I know, they live in the same neighborhood.
A．As long as
B．As well as
C．As far as
D．As often as
日本矿产年产只有80万吨，99．4％依靠进口的是（）。
A.石油
B.煤
C.铁
D.铜
