【单选题】【消耗次数:1】
猪肺疫的病原是
致病性大肠杆菌
多杀性巴氏杆菌
肺炎球菌
致病性沙门氏菌
参考答案:
复制
纠错
相关题目
【单选题】 应用非致病性大肠杆菌菌株(NY-10、SY-30等)预防仔猪黄痢、仔猪白痢的机理在于
①  抗体中和效应
②  细胞免疫
③  黏膜免疫
④  体液免疫
⑤  竞争排斥
【单选题】 我国常见的条件致病性真菌是( )
【单选题】 与致病性无关的细菌代谢产物是( )?。
①  毒素
②  血浆凝固酶
③  细菌素
④  热原质
⑤  透明质酸酶
【单选题】 致病性G-细菌细胞壁组成中具有
①  核心多糖???
②  O-侧链???
③  类脂A????
④  脂蛋白
【单选题】 致病性G-细菌细胞壁组成中具有
①  核心多糖
②  O-侧链
③  类脂A
④  脂蛋白
【单选题】 高致病性禽流感通常是指什么亚型
①  H1N1
②  H3N1
③  H5N1
④  H9N2
【单选题】 高致病性禽流感通常是指什么亚型
①  H1N1
②  H5N1
③  H7N9
④  H9N2
【单选题】 高致病性禽流感灭活疫苗的免疫途径是
①  滴鼻点眼
②  刺种
③  注射
④  饮水
【判断题】 大肠杆菌和枯草芽孢杆菌属于单细胞生物,唾液链球菌和金黄色葡萄球菌属于多细胞生物。
①  正确
②  错误
【判断题】 牲畜口蹄疫、猪瘟、高致病性禽流感、鸡新城疫等不是 一类动物传染病().
①  正确
②  错误
随机题目
【单选题】 He asked me ___________ Zhang Hua came to school or not.
①  whether
②  if
③  .what
【单选题】 Tom won the first prize of oral English contest, which is beyond his ______.
①  reputation
②  contribution
③  expectation
【单选题】 It is said that ______ 2000 factories closed down during the economic crisis.
①  properly
②  approximately
③  . considerably
【单选题】 Wecan’tgeteverything ,so we need others to help.
①  done
②  do
③  doing
④  did
【单选题】 —How do you feel about your family life? — .
①  Good. It’s a good choice to work there.
②  Not bad. I think it is a good choice to be a full-time mother.
③  Not bad. I have visited their family a lot of times.
【单选题】 —Linda, what’s wrong with your grandmother?— .
①  She is not retired
②  She hurt her leg.
③  She got a new house.
④  she is tired.
【单选题】 Due to the increasing aging population in China, demand the caregivers will continue to rise.
①  with
②  of
③  for
④  and
【单选题】 Young people ______ 62% of University teaching staff.
①  comprise
②  compose
③  contain
【单选题】 —Our son has picked up some bad habits recently, and I am really worried about it.— .
①  Yes, they have some bad habits.
②  Cheer up. I believe he will overcome it.
③  Well, he like drawing.
【单选题】 — As we all know, the invention of the Internet was a great breakthrough in human history. ___________?— Yes, of course.
①  What is your opinion
②  Do you know the reason
③  Do you think so
④  what do you think?