中医养生学认为，探索衰老机制的中心环节是(    )
   A．肾中精气的盛衰    B．心肺的功能状态
   C．脾胃运化功能有强弱  D．肝肾精血互化
   E．肾中精气的盛衰和脾胃的功能状态

下列哪一项所论不妥( ) A．气虚则血少 B．气旺则血充 C．血虚则气少 D．血足则气旺 E．气不运则血不存

A.气虚则血少
B.气旺则血充
C.血虚则气少

D.血足则气旺

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An architectural style. defines as a family of such systems in terms of a（71）of structural organization．More specifically, an architectural style. defines a vocabulary of （72）and connector types, and a set of （73） on how they can be combineD. For many styles there may also exist one or more （74）that specify how to determine a system's overall properties from the properties of its parts．Many of architectural styles have been developed over the years. The best-known examples of（75）architectures are programs written in the Unix shell. （71）A. pattern B. data flow C. business process D. position level （72）A. metadata B. components C. models D. entities （73）A. functions B. code segments C. interfaces D. constraints （74）A. semantic models B. weak entities C. data schemas D. business models （75）A. event-based B. object-oriented C. pipe-and-filter D. layered 点击查看答案