2.如图表示人体某种免疫过程下列有关叙述正确的是 A.图中细胞a是效应淋巴细胞 b.该过程是人体免疫的第三道防线 c.该过程属于特异性 Template




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tomski2.如图表示人体某种免疫过程下列有关叙述正确的是 a.图中细胞a是效应淋巴细胞 b.该过程是人体免疫的第三道防线 coloring