单项选择题

可以将非关系型数据库中的数据导入MySQL中。

A.正确
B.错误

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Roger: Hurry up! We don't have much time left. Dick: ______. We still have two hours. Roger: Come on! This is my first time ever to take a planE.I don't want anything to go wrong.A.Go onB.Take it easyC.All rightD.Look out

A.A.Go
B.Take
C.All
D.Look

多项选择题

弗雷德曼方程表明宇宙的膨胀主要由下列哪几项所驱动 A. 宇宙学常数项 B. 涨落项 C. 曲率项 D. 实物组分项 E. 辐射组分项

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