Which statement is NOT true about this conversation?
A.It took place on Sunday.
B.It took place between two classmates.
C.It took place in the evening.
D.It is about asking for a favor.
第1题
病原体感染后,血清中出现最早的特异性抗体是()。
A、IgA
B、IgM
C、IgC
D、IgE
E、IgD
第5题
体内抗病毒、中和毒素、抗真菌最重要的抗体为
A、IgA
B、IgM
C、IgG
D、IgE
E、IgD
第7题
病原体感染后,血清中出现最早的特异性Ig是 ()
A、IgG
B、IgA
C、IgM
D、IgD
E、IgE
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