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【单选题】
我们常使用的Oracle等DBMS等都是什么数据模型?A.
网状模型
B.
关系模型
C.
层次模型
D.
对象关系模型
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反馈参考答案：
举一反三
【简答题】Michael, a typical( 典型的 ) American, stays home on workdays. He plugs into his personal computer terminal in order to connect with the office. After work, he puts on his headphones, watches a movie, or...
【判断题】Titian was the most prolific of the great Venetian painters of the western world, a supreme colorist, and in a broad sense, the father of the modern mode of painting. His painting is acknowledged to h...
A.
正确
B.
错误
【简答题】On a typical modern day __1__, where every building and most outdoor common areas offer wireless internet __2__, one student takes her laptop everywhere. In class, she takes __3__ with it, sometimes i...
【简答题】阅读理解。 Michael a typical American, stays home on workdays. He plugs into his personal computer terminal in order to connect with the office. After work he puts on his headphones, watches a movie on his...
【单选题】项目研究工作最终在学术上、理论上、应用上预计将取得的成果,拟解决什么科学问题或实践上的什么问题,可称为( )。
A.
研究目标
B.
研究内容
C.
研究意义
D.
研究动态
【单选题】直角标架中,与点 M(1,-1,2) 关于原 点的对称点的坐标是( )
A.
(-1,1, -2)
B.
(-1,-1, -2)
C.
(1,1, -2)
D.
(1,1, 2)
【简答题】Michael, a typical (典型的) American, stays home on workdays. He plugs into his personal computer terminal (接线端) in order to connect with the office. After work, he puts on his headphones, watches a movi...
【单选题】On a ____________典型的 modern-day campus, where every building and most outdoor common areas.......
A.
type
B.
typical
C.
time
D.
timeless
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