Saturday, September 17, 2022
Thursday, September 15, 2022
问题:单选题当今人类中流行最广的虫媒病毒病是()。A 乙型脑炎B 森林脑炎C 登革出血热D 登革热E 新疆出血热...
Monday, December 4, 2023
Thursday, September 22, 2022
问题:单选题关于HAV错误的是( )。A 是单股正链RNA病毒B 能在体外细胞中培养C 特异性预防可接种疫苗D 抵抗力弱,对脂溶剂敏感E 隐性感染多见...
Saturday, December 31, 2022
Sunday, September 18, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
问题:甲型H1N1流感2009年在全球大流行,其始发疫源地为( )。...
Wednesday, September 14, 2022
Wednesday, September 21, 2022
Thursday, September 22, 2022
Monday, September 19, 2022
问题:单选题细菌的结构中与革兰染色有关的是( )。A 细胞膜B 细胞壁C 核质D 中介体E 质粒...
Monday, October 9, 2023
Thursday, September 22, 2022
Wednesday, September 21, 2022