下列对于教学原则的认识正确的有（ )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31418' and id < 2518436 and id<>'2518436' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31418' and id > 2518436 and id<>'2518436' order by id asc limit 5