题目内容
初次应答产生的抗体主要是
2021-09-22
A.IgE
B.IgD
C.IgG
D.IgA
E.IgM
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23963' and id < 2075196 and id<>'2075196' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23963' and id > 2075196 and id<>'2075196' order by id asc limit 5