知识直观的类型有以下哪几种？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30612' and id < 2469397 and id<>'2469397' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30612' and id > 2469397 and id<>'2469397' order by id asc limit 5