“一把钥匙开一把锁”所反映的德育原则是 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26610' and id < 2216306 and id<>'2216306' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26610' and id > 2216306 and id<>'2216306' order by id asc limit 5