小明帮助同学受到了老师的表扬，以后小明就经常做好事。其基本原理是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23631' and id < 2056019 and id<>'2056019' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23631' and id > 2056019 and id<>'2056019' order by id asc limit 5