Accelerated analysis approaches emphasize the construction of (8) to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology, (9) reads the program code and automatically generates the equivalent system model, and the code can be obtained from (10) All system analysis approaches require some form of (11) which includes those techniques to be used to identify or extract system problems and solution requirements from user community. (12) is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.

8（）

A. object models

B. prototypes

C. use cases

D. components

女性，25岁，停经2个月，不规则 * * 出血15天，腹痛5天，妇科检查附件区可触及包块，超声检查见子宫增大程度与孕周不符合，官腔内见多个大小不等的无回声暗区，呈落雪样改变。

该患者附件包块可能为

A．血肿

B．黄素囊肿

C．黄体囊肿

D．成熟卵泡

E．滤泡囊肿