单独使用无效，需与青霉素类联合使用的是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30798' and id < 2480422 and id<>'2480422' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30798' and id > 2480422 and id<>'2480422' order by id asc limit 5