题目内容
在个体发育中，Ig的产生顺序是
2021-09-22
A.IgA—IgG—IgM
B.IgG-MgM—IgA
C.IgM—IgA—IgG
D.IgM—IgG—IgA
E.IgG—IgA—IgM
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