公告、通告、通知、通报的共同点是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31817' and id < 2542987 and id<>'2542987' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31817' and id > 2542987 and id<>'2542987' order by id asc limit 5