問題詳情
34.Dr. Myers and other researchers hold that ________.
(A) people should look for a baseline that can work for a longer time
(B) fisheries should keep their yields below 50% of the biomass
(C) the ocean biomass should be restored to its original level
(D) people should adjust the fishing baseline to the changing situation
(A) people should look for a baseline that can work for a longer time
(B) fisheries should keep their yields below 50% of the biomass
(C) the ocean biomass should be restored to its original level
(D) people should adjust the fishing baseline to the changing situation
參考答案
答案：D
難度：非常困難0
統計：A(0),B(0),C(1),D(0),E(0)
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