观察下图,结合所学有关知识回答:

(1)上图反映了我国现阶段实行的基本经济制度是什么?
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(2)与这一基本经济制度相适应,现阶段我国实行怎样的分配制度?
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(3)上图所示的所有制经济中哪些属于公有制经济?
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(4)现阶段我国是如何对待非公有制经济发展的?
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