(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.

（73）处填（）。

A．Structured analysis

B．Information Engineering

C．Discovery Prototyping

D．bject-Oriented analysis

反映古希腊著名哲学家柏拉图教育思想的代表作品是( )。

A．《教育论》
B．《雄辩术原理》
C．《理想国》
D．《巨人传》