"A bad apple problem" is most likely to refer to "______".
A. a few corrupt individuals hurting a team or an organization
B. systematic practices that bring an organization off course
C. the failure in discovering objective scientific truths
D. research errors resulted from violation of scientific methods
The major drive behind persecutions of moneylenders throughout history was______.
A. the prejudice against the rootless
B. the contempt for humble occupations
C. the flaming up of ethnic hatred
D. the hatred of the rich
下列家禽传染病不能采用HA-HI试验诊断的为()
A. 传染性喉气管炎
B. 新城疫
C. 鸡减蛋综合征
D. 鸡毒支原体感染
E. 禽流感