人类历史上经历了哪三次技术革命？（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29997' and id < 2431088 and id<>'2431088' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29997' and id > 2431088 and id<>'2431088' order by id asc limit 5