在成熟B细胞转化成浆细胞过程不起作用的细胞因子是()
A.TNF
B.IL-2
C.11-4
D.IL-5
E.IL-6
参考答案:A
复溜穴直上、平阴陵泉的骨度分寸为( )
A.13寸
B.12寸
C.11寸
D.10寸
Many of the electric and electronic products we purchase and consume today are what some industrial experts call "homogeneous toys".
A.identical
B.homosexual
C.unrelated
D.distinguishable