以下属于引起无意注意的客观性因素有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31700' and id < 2537720 and id<>'2537720' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31700' and id > 2537720 and id<>'2537720' order by id asc limit 5