题目内容
脑力劳动从体力劳动中的第一次分离是在( )时期。
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SQL Error: select id,body,options from ***_enewstiku where sourceid='30943' and id < 2490866 and id<>'2490866' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30943' and id > 2490866 and id<>'2490866' order by id asc limit 5