铅中毒患者,外周血涂片易见()
A.碱性点彩红细胞
B.染色质小体
C.棘细胞
D.镰形红细胞
E.小红细胞
参考答案:A
All of us are proud of the great changes in Shanghai.
We're sure Shanghai will be even _____ tomorrow. [ ]
A. good
B. better
C. best
D. the best
对免疫应答起负向调节作用的细胞因子为()
A.IL-2,IL8
B.IL-2,IL-10
C.IL-10,TGF-β
D.IL-1,TGF-β
E.TGF-β,IFN-γ