肝性脑病的诱因有（）

A.消化道出血

B.服用安眠药

C.静脉滴注白蛋白

D.感染

E.严重腹泻

A project life cycle is a collection of generally sequential project（）(1) 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 （）(2) for managing the project, regardless of the specific work involved.

空白（1）处应选择（）

A.phases

B.processes

C.segments

D.pieces