题目内容

He maintains that only hard work and constant perseverance can lead to improvedperformance.

A. 他坚持认为,只有通过勤奋工作加上不懈的努力才会取得好的成绩。
B. 只有努力工作和持续不懈才能把人引向提高了的表演,他一直保持。
C. 他坚持,要达到更好的表演水平,只有努力练习和坚持不懈。

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When preparing for the interview, you should consider using interview coaching to improvethe way you come across to others.

A. 当准备面试时,你应当考虑参加面试辅导,改进与他人交流的方式。
B. 当准备面试时,你应当考虑参加面试辅导,改善你给别人留下印象的方法。
C. 当准备面试时,你应当考虑请面试辅导老师辅导,以便有利于战胜其他人。

Which of the following can data models be used to describe?

A. data
B. data relationships
C. data semantics
D. data constraints

Which of the following models can be used to describe object-based logical models?

A. semantic data model
B. entity-relationship model
C. physical data model

What are the possible relationships between two entity sets?

A. one-to-one
B. one-to-many
C. many-to-one
D. many-to-many

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