题目

下列属于非特异性免疫的是(  ) A、溶菌酶能杀死许多病菌 B、流感病毒抗体能杀死流感病毒     C、SARS病毒抗体抵抗SARS病毒   D、肝炎病毒抗体能抗肝炎病毒 答案:A                                                                                                                                                                                                                                                                                                                                                                      
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