Is there an error or hidden inconsistency in Practice Question 11?

习题11是不是有错误或者隐含的不一致性？

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The evidence standard of prosecution is not only a theory question, but also a practice question.

公诉证据标准既是一个严肃的理论问题，又是一个重大的实践问题。

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Income distribution is an extremely important theoretical question and practice question all the time.

居民收入分配始终是一个极端重要的理论问题和实践问题。

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Before the interview starts, there is a practice question, and the video also instructs the applicant with some tips, like doing the interview in a quiet place with good lighting, and keeping your upper body in the field of view.

FORBES: The Innovation That Could Make Most Job Interviews Obsolete

What this means in practice is another question.

ECONOMIST: Oily charm

This practice was intended to question the status of foreigners in France and Toulouse, with special focus on people who feel increasingly discriminated.

UNESCO: Social and Human Sciences