心力衰竭患者完全肠外营养时，每日供应给葡萄糖_______、脂肪______、氮_____，要慎用______。
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加油站应采用国家认定的具有整体（）功能的加油机，不得进行破坏整体（）功能的改造。
下列关于净资产收益率的表述中，正确的有（）
A. 净资产收益率是分析企业营业能力时最为常用的指标
B. 净资产收益率便于企业间的横向比较
C. 净资产收益率不利于纵向比较
D. 净资产收益率不便于企业间的横向比较，但有利于纵向比较
E. 净资产收益率不便于企业间的横向比较，也不利于纵向比较
传统支付的工作环境是基于一个开放的系统平台。
A. 正确
B. 错误
What is a characteristic of the Cisco Validated Design architectural selling approach?（）
A. This approach separates technologies based on customer buying patterns.
B. This approach integrates solutions by combining technologies that are aligned to customer buying patterns.
C. Although this approach supports verticalization, it is not aligned to partner programs.
D. Although this approach is aligned to partner programs, it does not support verticalization.
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