A. IgG B. IgD C. IgA D. IgM E. IgE
A. IgG B. IgM C. IgA D. IgE E. IgD
A. IgA B. IgE C. IgM D. SIgA E. IgG
A. CL及CH抗原特异性的不同 B. CL抗原特异性的不同 C. VH抗原特异性的不同 D. VL及VH抗原特异性的不同 E. CH抗原特异性的不同
A. It looks smart today B. That new home of its is really gorgeous C. It is love by its owner D. It looks really smart today