我国乙脑病毒的传播媒介及长期储存宿主是()登革病毒的传播媒介是()森林脑炎病毒的传播媒介及储存宿主是() ["A．库蚊","B．伊蚊","C．蜱","D．幼猪","E．螨"]
单正股RNA病毒复制()逆转录病毒复制()单股DNA病毒复制() ["A．以亲代DNA为模板，产生复制中间型","B．以RNA为模板，先转录早期Mrna","C．以RNA直接作为Mrna","D．以RNA为模板，先转录互补的DNA","E．以DNA为模板直接转录子代DNA"]
HIV的结构基因是()HIV的调节基因是()HIV复制的必需物质是() ["A．gag基因","B．rev基因","C．逆转录酶","D．整合酶","E．蛋白酶"]
可中和HBV的是()存在于外衣壳的抗原是()血清中量微，不易检测到的抗原是()s基因编码的是() ["A．HBsAg","B．抗-HBs","C．HBeAg","D．HBcAg","E．抗-HBc"]
属于缺陷病毒的是()属于DNA病毒的是()属于小RNA病毒科的是()其基因组最小的是()输血后肝炎的主要病原体是() ["A．HAV","B．HBV","C．HCV","D．HDV","E．HEV"]
麻疹病毒的核酸类型是()流感病毒的核酸类型是()腺病毒的核酸类型是()风疹病毒的核酸类型是()
