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为什么要保护臭氧层_shen边的常识 - 棒子小说网
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为什么要保护臭氧层

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为什么要保护臭氧层?

臭氧层是地球上生命的保护层,它使生命免受yang光qiang烈的紫外线照she1。因为紫外线能破坏生wu细胞,严重的会伤害人tipi肤,杀死水面的浮游生wu和鱼类,破坏生态环境,使各zhong生wu难以生存和发展。所以我们保护臭氧层。

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