周先生，49岁，患慢性痢疾，医嘱给予0.5%新霉素溶液保留灌肠，不正确的操作 是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id < 2490456 and id<>'2490456' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id > 2490456 and id<>'2490456' order by id asc limit 5