常用的在职培训方法有（    ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='53508' and id < 3377227 and id<>'3377227' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='53508' and id > 3377227 and id<>'3377227' order by id asc limit 5