The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modem software development. The notions of (36) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions - time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (37) which is concluded with a well-defined (38) and can be further broken down into (39) -a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (40) logically by nature.

36（）

A.artifacts 

B.use-cases 

C.actors 

D.workers

根据企业在不同发展阶段的特征，下列各项中正确的是（）。

A.衰退期财务风险和经营风险都高，股利全部分配给股东，股价呈下降并波动趋势

B.成熟期财务风险和经营风险和股利分配率都是中等，资本结构为权益资本加债务资本

C.起步期经营风险很高而财务风险很低，资金来源主要是风险资本，随着企业的发展股价迅速增长

D.成长期经营风险高而财务风险低，权益资本在资金来源中所占的比重增加，股利分配率低且股价也较低