Hg可以经过多种途径进人人体，Hg中毒会引起失眠、多梦、抑郁、胸闷、 心悸、多汗、恶心、牙龈出血。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30402' and id < 2457788 and id<>'2457788' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30402' and id > 2457788 and id<>'2457788' order by id asc limit 5