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【题目】以下农业生产符合因地制宜原则的是( )

A. 在洞庭湖大量围湖造田种粮

B. 在半干旱的草原区大面积开垦耕地种粮

C. 珠江三角洲地区的桑基鱼塘生产

D. 在黄土高原上建商品粮基地

【答案】C

【解析】农业的发展既受地形、气候等自然条件的影响。我国各地自然环境存在很大差异,每个地区都有农业发展上的优势和不足。利用当地自然条件的优势,把要发展的农业部门或农作物,布局在适宜它本身发展、生长最有利的地区,是因地制宜的重要内容之一。围湖造地种植粮食,会使湖泊蓄洪能力下降,易发生洪涝灾害;在干旱的草原区开垦耕地种粮食,会使草原退化,土地沙漠化;珠江三角洲地区水资源丰富,热量充足,可以发展桑基鱼塘生产;青藏高原地高天寒,不易发展商品粮基地,故本题选C

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