单选题:当今国际形势的深刻变化是“三个代表”重要思想形成的(  )。

题目内容:
当今国际形势的深刻变化是“三个代表”重要思想形成的(  )。 A.时代背景
B.历史依据
C.现实依据
D.理论依据
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答案解析:

设向量组α1,α2,α3,α4线性无关,则向量组α1-α2,α2-α3,α3-α4,α4-α1(填“线性相关”或“线性元

设向量组α1,α2,α3,α4线性无关,则向量组α1-α2,α2-α3,α3-α4,α4-α1(填“线性相关”或“线性元关”)__________。

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The writer says that home has become much less of a workshop

The writer says that home has become much less of a workshop. He means _________

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There's something I'd __________to tell you.

There's something I'd __________to tell you.A.like B.enjoy C.delight D.appreciat

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