题目内容
体液中含量最髙的免疫球蛋白是（ ）
2021-09-27
A.IgG
B.IgA
C.IgM
D.IgE
E.IgD
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24424' and id < 2102561 and id<>'2102561' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24424' and id > 2102561 and id<>'2102561' order by id asc limit 5