“天朝物产丰盈,无所不有,原不籍外夷货物以通有无。” 根据所学的历史知识回答问题:
(1)材料反映了清朝前期的对外政策是什么?
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(2)清朝实行这种政策根本的目的是什么?为什么要实行这种政策?
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(3)你认为这种政策利大于弊还是弊大于利,为什么?
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(4)对此你有什么启示?
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