问题
单项选择题 案例分析题
(1)analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (2)for designing and constructing an improved system. (3) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (4).(5) is another such technique that integrates data and process concerns into constructs called objects.
空白（2）处应选择（）
A.image
B.picture
C.layout
D.blueprint
答案
参考答案：D
解析：参考译文：模型驱动的分析方法强调通过绘制图形化的系统模型来说明和验证已有的或待开发的系统。这些系统模型最终会成为设计和构建改进后的系统的蓝图。结构化分析就是这样一种方法，它是以过程为中心的。在结构化分析方法中，系统分析员所绘制的一系列过程模型被称为DFD。面向对象分析是另外一种模型驱动的分析方法，它将数据和过程统一到了一个被称为"对象"的结构中。