化石能源燃烧产生大量的（    ），导致酸雨污染环境。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69405' and id < 4493642 and id<>'4493642' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69405' and id > 4493642 and id<>'4493642' order by id asc limit 5