The software architecture of a program or computing system is the structure or structures of the system, which comprise software ______, the externally ______properties of those components, and the relationships between them.The architecture is not the operational software. Rather, it is a ______ that enables a software engineer to: analyze the ______ of the design in meeting its stated requirements, consider architectural alternatives at a stage when making design changes is still relatively easy, and reduce the ______ associated with the construction of the software.

A. patternB. models C. metadata D. components

下列各项说法错误的是______。

A．一般来说，经营活动现金流人占现金总流入比重大的企业，其经营状况较好，财务风险较低，现金流入结构较为合理

B．一般来说，经营活动现金支出比重大的企业，其生产经营状况正常，但现金资产结构不太合理

C．资本金利润率越高，说明企业资本的获利能力越强

D．销售收入利润率越高，说明企业资本的获利能力越强