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北宋后我国南方人口超过北方，北重南迁人口分布格局被打破。

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恩格斯主义宪政理论认为：首先，宪法是一社会历史现象，有其产生与消亡的过程;其次，宪法的本质是一种阶级本质。()

A. 错误
B. 正确

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呋喃西林处方：呋喃西林粉；维生素E 10 g、维生素A20万单位、羟苯乙酯0．5 g、50％乙醇50 md、聚山梨酯80

A. 辅料
B. 基质
C. 防腐剂
D. 乳化剂
E. 吸收促进剂

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What should scientists do to improve science education according to the interviewee？

A. To understand their influence on young kids.
B. To make general principles more specific.
C. To exchange ideas with common citizens.
D. To tell frankly what science actually is.

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What does the interviewee say about the games like Fold It or Galaxy Zoo？

A. Children are fascinated about these scientific games.
B. They help people learn about the scientific process.
C. They make science classes in schools really fun.
D. These scientific games require large spaces.

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