A project life cycle is a collection of generally sequential project（）whose name and number are determined by the control needs of the organization or organizations involved in the project. The life cycle provides the basic（）for managing the project, regardless of the specific work involved.

The life cycle provides the basic（）for managing the project, regardless of the specific work involved.

A．plan

B．fraction

C．main

D．framework

通过燀法分离不同药用部位的药物是（）

A.远志

B.吴茱萸

C.山茱萸

D.白扁豆

E.苦杏仁