2019年上半年，我国知识密集型服务进出口额环比约：

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31919' and id < 2552198 and id<>'2552198' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31919' and id > 2552198 and id<>'2552198' order by id asc limit 5