题目内容
超抗原能激活大量T细胞，约占T细胞库的
2021-09-22
A.40%~80%
B.20%~40%
C.2%-20%
D.1%~3%
E.0.1%~0.5%
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23971' and id < 2076782 and id<>'2076782' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23971' and id > 2076782 and id<>'2076782' order by id asc limit 5