NK细胞的表面分子
A．CD3B．CDl9C．KIRD．MHC-ⅡE．IL-2
参考答案：C
------Sorry, I made a mistake again.
----------_________. Practise more and you’ll succeed.
A．Never mind
B．certainly not
C．Not at all
D．Don’t mention it.
尿崩症24小时尿量多达
A．1～2LB．2～4LC．4～8LD．5～10LE．6～12L
