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【题目】东北地区大规模开荒,造成该区域湿地面积锐减、生态环境恶化。下列对于该区域开发与保护的说法,正确的是(  )

A.已开垦的耕地全部退还沼泽

B.继续开荒,扩大水稻种植面积

C.停止开荒,建立自然保护区

D.大量使用化肥、农药,提高单位面积产量

【答案】C

【解析】

三江平原,又称三江低地,即东北平原东北部,中国最大的沼泽分布区,在三江盆地的西南部。三江平原是指黑龙江、乌苏里江、松花江,三条大江汇流、冲积而成了这块低平的沃土,三江平原素以“北大荒”著称,在1949年大规模开垦前,草甸、沼泽茫茫无际,亦有成片森林,野生动物繁多。华人民共和国成立后,这里进行了大规模的农垦耕作, “北大荒”已一跃而成“北大仓”,成为我国最大的农垦区,是小麦、大豆、玉米、水稻等重要商品粮生产基地。

已开垦的耕地依据实际情况退还沼泽,全部退还的说法绝对,不切实际,故A说法错误;继续开荒,扩大水稻种植面积,大量使用化肥、农药,提高单位面积产量容易破坏生态环境,不利于保护湿地,故BD说法错误;停止开荒,建立自然保护区,有利于保护湿地,保护生态环境,故C正确。故选C。

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