不适合做牵张训练的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30170' and id < 2440538 and id<>'2440538' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30170' and id > 2440538 and id<>'2440538' order by id asc limit 5