【简答题】opportunistic
pathogen
【单选题】The pathogen of SARS in 2003 was
D.
A kind of actinomycetes
【单选题】Which is not an unidentified pathogen?
A.
the agent that causes variant Creutzfeldt-Jacob disease
D.
the virus responsible for AIDS
【简答题】A pathogen is any microbe that causes ____________.
【判断题】统计方法主要包括推断统计方法和描述统计方法。( )
【判断题】统计推断主要包括参数估计和假设检验两个方面。
【单选题】In the title “Ranking freshwater fish farms for the risk of pathogen introduction and spread”, _________ is emphasized.
C.
pathogen introduction and spread