学习困难综合征在（ ）中比较多见。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23797' and id < 2067900 and id<>'2067900' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23797' and id > 2067900 and id<>'2067900' order by id asc limit 5