右图为过敏反应的原理图下列有关叙述正确的是 A 过敏反应为抗原首次进入机体引起的免疫反应表现为�作迅速反应强烈b 图中首次进入人体的 Template




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tomski右图为过敏反应的原理图下列有关叙述正确的是 a 过敏反应为抗原首次进入机体引起的免疫反应表现为�作迅速反应强烈b coloring