认识对实践的反作用体现在（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29283' and id < 2383852 and id<>'2383852' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29283' and id > 2383852 and id<>'2383852' order by id asc limit 5