教师在指导学生学习概括时，不仅要注意抽取事物本质，也要注意抛弃事物非本质一面。( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31574' and id < 2529168 and id<>'2529168' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31574' and id > 2529168 and id<>'2529168' order by id asc limit 5