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【简答题】
在关系模型中，把数据看成一个二维表，每一个二维表称为一个【5】。
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反馈参考答案：
举一反三
【单选题】My father gave his old car to me and he is _____ a new car. [ ]
A.
considered buying
B.
considered to buy
C.
considering buying
D.
considering to buy
【简答题】My father told me that he was considered too difficult a student (teach) ______when he was young.
【简答题】A．He has considered getting it. B．He thought it was interesting. C．He bought it already. D．He has finished reading it.
【单选题】He is quite strange, for everything he does is opposite to ______ is considered normal behavior.
A.
whether
B.
that
C.
what
D.
which
【单选题】He was working in Africa and was considered by the company as the best manager at collecting ______ and making money.
A.
ivory
B.
irony
C.
inventory
D.
levy
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