自由电子的产生的途径有（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id < 4418960 and id<>'4418960' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68449' and id > 4418960 and id<>'4418960' order by id asc limit 5