班级管理的内容包括（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30750' and id < 2476092 and id<>'2476092' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30750' and id > 2476092 and id<>'2476092' order by id asc limit 5