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Gaokao Biology Practice Question

下列与病原体有关的叙述, 正确的是

  1. A.抗体可以进入细胞消灭寄生在其中的结核杆菌
  2. B.抗体抵抗病毒的机制与溶菌酶杀灭细菌的机制相同
  3. C.Rous 肉瘤病毒不是致瘤因子，与人的细胞癌变无关
  4. D.人感染 HIV 后的症状与体内该病毒浓度和 $T$ 细胞数量有关

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