认识运动之所以要经过“实践一认识一再实践一再认识”的多次反复，是因为（  ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28431' and id < 2322173 and id<>'2322173' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28431' and id > 2322173 and id<>'2322173' order by id asc limit 5