通知、通告、通报、公告的共同特点是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31291' and id < 2511380 and id<>'2511380' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31291' and id > 2511380 and id<>'2511380' order by id asc limit 5