发布网友 发布时间:2022-04-27 04:42
共5个回答
热心网友 时间:2022-06-26 09:41
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心网友 时间:2022-06-26 09:41
一是环境污染问题越来越严重。二是过度开采资源,不断向地球索取,但保护措施太少。三是高科技应用到军事方面,战争会给地球带来毁灭性的打击。热心网友 时间:2022-06-26 09:41
环境污染、生态破坏热心网友 时间:2022-06-26 09:42
人类的出现完全是个奇迹!热心网友 时间:2022-06-26 09:43
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