唯一能通过胎盘的Ig是()
A.IgG
B.IgA
C.IgM
D.IgD
E.IgE
参考答案:A
John came here _______ the evening _______ October 12th. [ ]
A. on, in
B. in, of
C. on, of
D. in, in
艾滋病患者在口腔可出现以下表现,除了
A.念珠菌病
B.坏死性龈炎
C.Kaposi肉瘤
D.韦格内肉芽肿
E.非霍奇金淋巴瘤