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[单选题]
根据我国的国情，要提高人均粮食产量，必须（ ）
A
开垦荒地，增加耕地面积
B
发展生物技术，培育良种
C
走多种经营的道路
D
走粗放型的粮食生产道路
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参考答案
试题答案：
B
答案解释：
本题考查了农业技术对农业生产的影响等知识点。 应试解难：我国可开垦的耕地不多，要想提高人均粮食产量，必须走科技兴农的道路，依靠提高单位面积产量来实现。
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