班级管理的基本功能是 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26618' and id < 2216953 and id<>'2216953' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26618' and id > 2216953 and id<>'2216953' order by id asc limit 5