A. Government Basket makers C. Villagers D. Bamboo sellers
Appeal for donations. B. Make an advertisement. C. Promote training programs. D. Show sympathy for the blind.
A. IgA B. IgG C. IgM D. IgD E. IgE
A. 7 B. 15 C. 20 D. 30
A. 由IGE抗体介导 B. 单核细胞增高 C. 以细胞溶解和组织损伤为主 D. T细胞与抗原结合后导致的炎症反应 E. 可溶性免疫复合物沉积