通常压铸件的表面粗糙度比模具相应成形表面的粗糙度（）
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吩噻嗪类原料药物国内外药典多采用的含量测定方法是（）。
A. 铈量法
B. 钯离子比色法
C. 非水溶液滴定法
D. 紫外分光光度法法
E. 高效液相色谱法
由于客户原因使供电部门未能如期抄录电能表时，应如何处理？
持有现金的谨慎性动机主要是为了保证日常经营中的现金需要。
A. 正确
B. 错误
Which of the following best describe the customer benefit of creating a systems acceptance test plan in the design phase？（）
A. Reduce unnecessary disruption， delay，rework， and other problems by establishing test cases for use in verifying that the systems meets operational， functional， and interface requirements
B. Improve its ability to make sound financial decisions by developing a business case based on its business requirements and establishing a basis for developing a technology strategy
C. Reduce operating costs and limit charge-related incidents by providing a consistent and efficient set of processes
D. Improve the return on investment and hasten migration by identifying and planning for necessary infrastructure changes and resource additions， as well as reduce deployment costs by analyzing gaps in early in the planning process to determine whet is needed to support the system
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