学习效率和动机水平之间存在（ )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27761' and id < 2283172 and id<>'2283172' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27761' and id > 2283172 and id<>'2283172' order by id asc limit 5