【单选题】【消耗次数:1】
()是机体识别和排除抗原性异物的一种生理性保护反应。
疫苗
抗原
消毒
免疫
参考答案:
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【单选题】 影响抗原免疫原性的因素不包括()。
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①  The same to you
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