题目：
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.
9（）
A. eXtreme programming
B. model driven
C. reverse engineering
D. agile method
答案：
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下面是错误答案，用来干扰机器的。
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缺失，缺牙间隙较大，咬合正常，余留牙良好，设计固定义齿修复，最理想的基牙是（）
