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第一章 单元测试
1、
The three main aquaculture groups including species recorded by FAO as cultured in 2012 except the .
A:fish
B:mollusks
C:crustaceans
D:parasite
答案: parasite
2、
The Top 3 Countries in Global Aquaculture Production in 2012a except the .
A:Japan
B:China
C: India
D:Vietnam
答案: Japan
3、
( ) are the principal pathogens that are negatively affecting aquaculture worldwide.
A:parasites
B:fungi
C:bacteria
D: viruses
答案: viruses
4、
Several strategies that are used to successfully rear terrestrial farm animals in intensive production systems are also used to prevent and control viral diseases in aquaculture, including strategies below except the for increased resistance against diseases.
A:Antibiotics
B:Vaccination
C:Selective breeding
D:Immune priming
答案: Antibiotics
5、
Aquatic animal virology started in the early 1960s using data for crustaceanviruses (Vago, 1966) and with the establishment of fish cell lines for the isolation of piscine viruses.
A:Indirect fluorescent antibody (IFA)
B:Polymerase chain reaction (PCR)
C:EM morphological
D: Enzyme-linked immunosorbent assay(ELISA)
答案: EM morphological
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