能杀伤细胞的细胞因子是
A.IL-2
B.TNF-α
C.干扰素
D.IL-4
E.IL-1
参考答案:B
--Hi, is Mary there, please?
---
A.Hold on, I will get her.
B.Don’t mention her, please.
C.Yes, she lives here.
D.Yes, what do you want?
个人之间、个人与单位之间的土地权属争议,由()级人民政府或者()级以上人民政府处理。