现代文明进步的车轮有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31915' and id < 2551871 and id<>'2551871' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31915' and id > 2551871 and id<>'2551871' order by id asc limit 5