73、The ( ) process differs from the ( ) process in that the former is primarily concerned with acceptance of the deliverables,while the latter is primarily concerned with correctness of the deliverables. 

A. Perform Quality Assurance

B. Validate Scope

C. Control Quality

D. Define Scope

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74、A. Perform Quality Assurance

B. Validate Scope

C. Control Quality

D. Define Scope

参考答案：B、C

参考解析：

（）过程不同于（）过程，前者主要关注可交付成果的接受，而后者主要关注可交付成果的正确性。

A、执行质量保证

B、验证范围

C、控制质量

D、定义范围

74、A、执行质量保证

B、验证范围

C、控制质量

D、定义范围