集中复习是集中一段时间一次性重复学习许多次，集中复习的效果优于分散复习。( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31573' and id < 2529146 and id<>'2529146' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31573' and id > 2529146 and id<>'2529146' order by id asc limit 5