常在传染病恢复期出现,持续时间较长的抗体是()感染过程中首先出现,常为近期感染标志的抗体是()
A.IgA
B.IgD
C.IgE
D.IgG
E.IgM
参考答案:D,E
Which of the following cities’ room reservations were influenced by the Iraq War
A.Boston.
B.Paris.
C.Miami.
D.London.