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【单选题】
逻辑模型是面向数据库系统的模型,下面属于逻辑模型的是( )A.
关系模型
B.
实体-联系模型
C.
谓词模型
D.
物理模型
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反馈参考答案：
举一反三
【简答题】将英文翻译成中文, safety regulations :
【简答题】将英文翻译成中文,virtual mall :
【单选题】Woman: Do you know Jane works as a dish-washer at a restaurant around the corner? Man: It isnt a bad job to start with. I wouldnt mind that job for the summer if no others are available. Question: Wha...
A.
He likes the job of a dish-washer because it pays well.
B.
He thinks it's important to have a good job from the beginning.
C.
He would work as a dish-washer in summer if he has to.
D.
He hates to be a dish-washer in summer if he has to.
【简答题】将英文翻译成中文,electronic communications :
【简答题】dish washer
【简答题】将英文翻译成中文,returns policy :
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