在政府采购中，采购人和供应商之间的权利和义务应以合同方式约定。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='26222' and id < 2196488 and id<>'2196488' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26222' and id > 2196488 and id<>'2196488' order by id asc limit 5