Theauthorseemstobemainlyconcernedwithmostfisheries’________.
[A]managementefficiency
[B]biomasslevel
[C]catch-sizelimits
[D]technologicalapplication
正确答案:B
Theauthorseemstobemainlyconcernedwithmostfisheries’________.
[A]managementefficiency
[B]biomasslevel
[C]catch-sizelimits
[D]technologicalapplication
正确答案:B