媒体材料是为目标受众而制作，也是由目标受众所

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25510' and id < 2147577 and id<>'2147577' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25510' and id > 2147577 and id<>'2147577' order by id asc limit 5