题目内容

【题目】我国梨果资源非常丰富。20世纪末，梨园用工劳力亩成本年约100美元，而同期日本、美国分别约为3 000美元、1 800美元。我国梨果单位面积产量远低于世界平均水平；一家一户的生产体制，栽培面积小，技术水平差别很大，大多数果实混级贮运。据此完成下列问题。

【1】我国发展梨果业的限制性区位条件是

①产业化水平低 ②果农科技文化素质低 ③政府不重视 ④品种老化

A．①②③ B．①②④ C．②③④ D．①③④

【2】我国梨果业发展的对策主要是

A．缩短产业链，提高总产量

B．提高梨园用工的费用

C．建设商品化梨果生产基地

D．以农户为单位，发展梨果深加工

【答案】

【1】B

【2】C

【解析】

试题分析：

【1】根据材料分析，我国发展梨果业的限制性区位条件是一家一户的生产，产业化水平低，果农科技水平低，文化素质低。政府大力支持。品种老化，混级贮运。B对。

【2】结合材料，我国梨果业发展的对策主要是建设商品化梨果业生产基地，延长产业链，提高产品附加值。A错误，C正确。提高梨园用工的费用，不能提高品质。以农户为单位，发展梨果深加工，生产规模小，不易提高技术，BD错误。

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注意：

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2. 可以适当增加细节，已使行文连贯。

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