结合语境，从括号的备选词语中选出最恰当的词语填在诗中的横线上。不站起来才不会倒下

罗马共和国的高级官吏具有的共同特点是什么

System analysis is traditionally done top-down using structured analysis based on （）. Object-oriented analysis focuses on creation of models. The three types of the analysis model are （）. There are two substages of object-oriented analysis.（）focuses on real-world things whose semantics the application captures. The object constructed in the requirement analysis shows the （） of the real-world system and organizes it into workable pieces.（） addresses the computer aspects of the application that are visible to users. The objects are those which can be expected to vary from time to time quite rapidly.

（）addresses the computer aspects of the application that are visible to users.

A. Program analysis

B. Function requirement

C. Application analysis

D. Physical model

2008年6月，银监会为支持灾后重建工作，鼓励信托公司开展公益信托业务并下发了有关通知，下面就信托公司开展公益信托业务，符合通知要求的事项包括（）

A.应当订立公益信托文件，并报中国银监会和公益事业管理机构备案

B.可以通过媒体等方式公开进行推介宣传

C.委托人可以是自然人、机构或依法成立的其他组织，其数量及交付信托的金额不受限制

D.每个公益信托均应设置独立的信托监察人，接受监察

螺钉调整式喷油器的装配注意事项是什么？

门式起重机是桥架通过两侧支腿支撑（）轨道上或地基上的桥架型起重机。

A.地面

B.高架