党的十八大提出实施创新驱动发展战略，用创新力量托起“中国梦”。创新驱动发展战略的重要方面是科技创新，科技创新对我国经济发展的促进作用体现在

① 促进产业结构的优化升级，转变经济发展方式

② 走新型工业化道路，提高工业现代化水平

③ 使产品的质量更高，性能更优，不断提高人民生活质量

④ 形成具有自主知识产权的民族品牌，提高国际竞争力

A．①②

B．②③④

C．①②④

D．①②③④

The traditional model for systems development was that an IT department used （1） which is a process-centered technique, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows （2） to participate effectively in the requirements modeling process. When properly used, JAD can result in a more accurate statement of system requirements, a beret understanding of common goals, and a per commitment to the success of the new system. RAD is a （3） technique that speeds up information systems development and produces a functioning information system. While the end product of JAD is a(an) （4）, the end product of RAD is the new information system. The RAD model consists of tour phases. During the （5）, users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.

（1）处填（）。

A．object-oriented analysis

B．structured analysis

C．process analysis

D．prototype analysis