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    【题目】第六次人口普查，我国人口居世界____。我国是个多民族国家，共有_____个民族。我国自然资源总量丰富，人均不足。对可再生资源要利用合理，并且注意_____和_____。对非可再生资源更应当__使用。 我国的土地国策是十分______、合理利用土地和切实保护_____。

    【答案】 第一 56 保护 培育 节约 珍惜 耕地

    【解析】根据第六次人口普查，我国人口居世界第一位，我国是一个多民族的国家，共有56个民族。我国自然资源总量丰富，但是人均占有量不足，所以对可再生资源要合理利用，并且注意培育和保护。对非可再生资源更应当节约使用。我国的土地国策是十分珍惜和合理利用土地，切实保护耕地。故填第一，56，保护，培育，节约，珍惜，耕地。

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