造成学生心理个别差异的原因有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31327' and id < 2513053 and id<>'2513053' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31327' and id > 2513053 and id<>'2513053' order by id asc limit 5