可作为一碳单位传递体的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id < 2459401 and id<>'2459401' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id > 2459401 and id<>'2459401' order by id asc limit 5