题目内容
预防伤寒的关键措施是
2021-11-16
A.提高人群免疫力
B.切断传播途径
C.控制传染源
D.注射疫苗
E.饭前与便后洗手
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='28113' and id < 2303626 and id<>'2303626' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28113' and id > 2303626 and id<>'2303626' order by id asc limit 5