当班集体成为真正有效的教育手段时，班集体处于 （ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26618' and id < 2216982 and id<>'2216982' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26618' and id > 2216982 and id<>'2216982' order by id asc limit 5