下列判断错误的是（ ）

A．分子间的间隙：水蒸气>冰

B．pH：碳酸钠溶液>氯化钠溶液

C．碳元素的质量分数：C₂H₄<C₃H₆

D．一个分子中原子总数：H₂O₂=NH₃

Accelerated analysis approaches emphasize the construction of （） to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology,（） reads the program code and automatically generates the equivalent system model, and the code can be obtained from （） . All system analysis approaches require some form of （） which includes those techniques to be used to identify or extract system problems and solution requirements from user community. （） is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.

All system analysis approaches require some form of （）

A．requirement discovery

B．business process redesign

C．cause-and-effect analysis

D．total quality management