Quality and grade are not the same. A fundamental distinction is that ______ .
A．grade is a category assigned to products or services having the same functional us but different technical characteristics
B．low quality may not be a problem; low grade is always a problem
C．determining and delivering the required levels of quality are not included in the responsibilities of the project manager and the project team
D．determining and delivering the required levels of grade are not included in the responsibilities of die project manager and the project team
参考答案：A
解析： 质量和等级是不同的, 根本区别是: A) 等级是具有相同功能用途、不同技术特性的产品或服务的类别。 B) 低质量可能不是问题；低等级总是个问题。 C) 确定和交付要求的质量层次不是项目经理和项目团队的责任。 D) 确定和交付要求的等级层次不是项目经理和项目团队的责任。 质量、等级的区别。等级是“具有相同功能但不同技术特性的服务或产品”，低等级不是问题，而低质量是问题。