______一般不作为需求分析阶段所使用的工具或方法。

单项选择题A quality assurance team should be (75) 。 ① associated with any particular development group ② depended upon any particular development group ③ responsible for reporting directly to management ④ In-depended upon any particular development group

单项选择题控制系统的各子系统中， (52) 具有制定标准、评价效绩、纠正偏差的基本功能。