题目内容
不需抗原刺激，直接杀伤靶细胞的细胞是
2021-09-22
A.CTL
B.NK细胞
C.Th2细胞
D.Th1细胞
E.巨噬细胞
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23965' and id < 2075431 and id<>'2075431' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23965' and id > 2075431 and id<>'2075431' order by id asc limit 5