发布日期:2010-06-04 13:56:41
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下列对物质世界的认识中,不正确的是………………………………………………………………………( ) A、海洋中蕴藏着丰富的资源 B、废旧金属的回收利用是保护金属资源的有效途径 C、使用一次性塑料袋包装食品,既卫生又利于环保 D、通过化学反应,人类不仅可以获得所需物质,还可以获得能量 |