1、单选题：
The three main aquaculture groups including species recorded by FAO as cultured in 2012 except the .
选项：
A:parasite
B:mollusks
C:crustaceans
D:fish
答案: 【parasite】

2、单选题：
The Top 3 Countries in Global Aquaculture Production in 2012a except the .
选项：
A:Japan
B:Vietnam
C:China
D:India
答案: 【Japan】

3、单选题：
( ) are the principal pathogens that are negatively affecting aquaculture worldwide.
选项：
A:bacteria
B:viruses
C:parasites
D:fungi
答案: 【viruses】

4、单选题：
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.
选项：
A:Immune priming
B:Antibiotics
C:Vaccination
D:Selective breeding
答案: 【Antibiotics】

5、单选题：
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.
选项：
A:Enzyme-linked immunosorbent assay(ELISA)
B:Indirect fluorescent antibody (IFA)
C:Polymerase chain reaction (PCR)
D:EM morphological
答案: 【EM morphological】