如图中的曲线显示了两 种使人体获得免疫力的方法。据此判断下列

如图中的曲线显示了两 种使人体获得免疫力的方法。据此判断下列说法正确的是









A.当一个人被狗咬伤时,可能会感染狂犬病病毒,此时采用方法②进行免疫比较好

B.采用方法①可以使人获得比方法②更持久的免疫力

C.采用方法②使人体获得抗体的过程叫细胞免疫

D.医学上一般采用方法②进行免疫预防

答案

D

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