当班主任接到一个褪础较差的班级时，更要做好哪项工作 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26165' and id < 2192636 and id<>'2192636' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26165' and id > 2192636 and id<>'2192636' order by id asc limit 5