为了避免机械学习，教师在教学中应做到（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23632' and id < 2056097 and id<>'2056097' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23632' and id > 2056097 and id<>'2056097' order by id asc limit 5