具有宣泄作用的作业活动是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id < 2157643 and id<>'2157643' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25673' and id > 2157643 and id<>'2157643' order by id asc limit 5