佐剂的生物学作用不包括
A．增强抗原的免疫原性
B．改变产生抗体的类型
C．诱导免疫耐受
D．增强巨噬细胞的活性
E．增加抗体的效价
参考答案：C
Not only , but I learned some knowledge.
A．did I help other people
B．do I helped other people
C．I helped other people
D．helping other people
新生儿及婴儿口腔粘膜血管丰富，唾液腺发达。()
