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问题 选择题

下列对民主与专政的辩证统一关系表述正确的是

①民主只适用于统治阶级内部，专政则适用于被统治者 ②民主是专政的基础，专政是民主的保障 ③专政具有阶级性，民主不具有阶级性 ④民主与专政既相互区别、相互对立，又相辅相成、互为前提

A．①②

B．①②④

C．②③④

D．①③④

答案

答案：B

单项选择题

摄食中枢位于（）

A.下丘脑前区

B.下丘脑后区

C.下丘脑内侧区

D.下丘脑外侧区

E. * * 体核
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单项选择题

A figure that can be folded over along a straight line so that the result is two equal halves which are then lying on top of one another with no overlap is said to have a line of symmetry. Which of the following figures has only one line of symmetry

A．Square

B．Circle

C．Equilateral triangle

D．Isosceles triangle

E．(E) Rectangle
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