题目内容
机体抵御微生物感染的基本因素不包括（ ）
2021-10-08
A.完整的皮肤
B.黏膜
C.肝肠循环
D.血脑屏障
E.胎華:屏障
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25037' and id < 2131416 and id<>'2131416' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25037' and id > 2131416 and id<>'2131416' order by id asc limit 5