__________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ (3)读材料三,说明当时中国社会经济结构有何变化?分析1952年到1956年我国国民经济中公、私成分变化的主要原因和标志意义。 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ (4)材料四反映了当时广德县经济建设中出现了怎样的问题? __________________________________________________________________________________________ __________________________________________________________________________________________ (5)依据材料五,指出广德县的农业生产有了什么新变化? __________________________________________________________________________________________ (6)依据材料四、五并结合所学的知识,比较两种不同的农业生产经营模式对农业生产的影响。 __________________________________________________________________________________________ __________________________________________________________________________________________
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