在楚汉战争中，刘邦能打败项羽的原因有

①善于用人 ②有关中作为后方 ③约法三章 ④军力强大 [ ]

A．①②③　　

B．②③④　　

C．①③④　　

D．①②④

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