抗病毒作用()使细胞生长成集落()促进红细胞生长()杀肿瘤作用()介导白细胞的作用()
A.IL
B.EPO
C.IFN
D.CSF
E.TNF
参考答案:C,D,B,E,A
极距指()。
— ________ tea would you like?
— Two cups. [ ]
A. How many
B. How much
C. What
D. Which