第30题: [单项选择]有关独特型和独特型网络的描述,错误的是 A. 抗抗体所针对的抗原表位只能是抗体分子上的独特型 B. 独特型决定簇只分布在Ig的CDR C. 独特型决定簇分布也分布在BCR/TCR的区 D. 独特型网络的调节发生在带有相应BCR/TCR特定结构的淋巴细胞克隆水平 E. 独特型网络为免疫干预提供手段 参考答案:B
第39题: [单项选择]The writer thought the man might be ______. A. someone who had always been a tramp B. someone who had once worked for him C. someone who had once been his boss D. someone he often saw in the park 参考答案:C 答案解析:作者以为那个人是Rogers,即他曾经的老板。