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【简答题】
下面关于关系数据模型的描述中，错误的是（ ）。
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反馈参考答案：
举一反三
【判断题】二次沉淀池中水质异常可能是由于二次沉淀池的污泥堆积、排泥不当、池构造上有缺陷、存在短路、异重流等与二次沉淀池有关的原因，还有可能是因为曝气池或其进水异常造成。
A.
正确
B.
错误
【简答题】The Lost Art of Listening "why won't he even listen to my idea?"" Why am I cut off before I provide the whole story?" How many times have you been frustrated by someone not listening to what you have ...
【简答题】最容易引起骨折不连接的移位是（ ）。
【单选题】Why does the author say "we are enjoying something unhealthy" while watching the movie Forrest Gump?
A.
It underestimates the importance of talent and ability.
B.
It undermines our faith in education.
C.
It is a blasphemy to the Grace of god.
D.
It is too sweet in that everybody can realize their American dream.
【简答题】Why we can say "the tourism economy combines the tourists' consumption activities and tourism industry's business activities."
【单选题】在牛希济《生查子》这首词中哪两句是经典诗词?( )
A.
春山烟欲收,天淡星稀小
B.
残月连边明,别泪临清晓
C.
语已多,情未了,回首犹重道。
D.
记得绿罗裙,处处怜芳草
【单选题】When spring comes, farmers are going yo buy some new farming_____.
A.
innovations
B.
complements
C.
attachments
D.
implements
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