题目内容
具有免疫黏附作用的是
2021-09-22
A.MAC
B.C3b
C.C3a，C4a，C5a
D.C4bp
E.C1q
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23967' and id < 2076184 and id<>'2076184' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23967' and id > 2076184 and id<>'2076184' order by id asc limit 5