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The polluter-pays principle in treaty law can be traced back to some of the first instruments which establish minimum rules for civil____for harm caused by hazardous activities（）
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The environmental standards fall into four categories: environmental quality standards; product standards; emission standards; and_standards（）
人体所需的六种营养素指的是蛋白质、脂类、碳水化合物、矿物质、维生素和水（）
In October 1998, the World Trade Organization formally recognized the status and role of non-governmental international organizations in the_about the “shrimp-turtles” case, a final decision on enviro
早在2000多年前，春秋战国时期出现了一部我国现存最早的重要医书《黄帝内经》（）
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