某同学读书10遍刚刚能背诵下来，他需要再读（ ）遍才能达到最好的效果。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26045' and id < 2184655 and id<>'2184655' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26045' and id > 2184655 and id<>'2184655' order by id asc limit 5