如果在实验过程中闻到烧焦的气味，应如何处理？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30400' and id < 2457421 and id<>'2457421' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30400' and id > 2457421 and id<>'2457421' order by id asc limit 5