题型:选择题 Danny Way's jumping over the Great Wall and ______ his own dream should be an inspiration to the youth in China. [ ]A. undertaking B. conducting C. performing D. accomplishing 查看答案
题型:单项选择题 某鸡场300只34日龄鸡发病,发病率为90%,病死率为80%。病鸡伸颈张口呼吸,咳嗽,气喘,有鼻漏;部分病鸡翅、腿麻痹,下痢,粪带血;剖检见嗉囊积液,全身性黏膜和浆膜出血,盲肠扁桃体肿胀,出血。进一步诊断首先应选择的检测方法是( )。A.易感鸡接种B.致病指数测定C.粪便球虫卵囊检查D.鸡胚接种与病原鉴定E.血清ELISA抗体检测 查看答案