题目内容
内毒素是革兰氏阴性菌的( )
2021-09-30
A.蛋白质
B.脂蛋白
C.脂多糖
D.核心多糖
E.特异性多糖
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24753' and id < 2119552 and id<>'2119552' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24753' and id > 2119552 and id<>'2119552' order by id asc limit 5