药效动力学主要研究药物如何作用于机体。()
参考答案：对
采用晒、晾、烘等方法，除去中药中过多的水分（）
A．二冬
B．二术
C．二母
D．二活
E．二枫藤
— Jack, you look tired today.
— Yes, actually I've been _____ busy these days _____ I can't get enough sleep.[ ]
A. too, to
B. so, that
C. such, that
D. such a, that
