GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 5E10B7H3774G4WLTA

Overall, fish farming may provide a (i)____________ wild fish stocks, but for certain species, the farmers cause a net loss of wild fish. Some fish farmers use upwards of five kilograms of wild fish as feed to grow one kilogram of carnivorous species like sea bass. Such (ii)____________ feed plus other environmental side effects undermine the expected (iii)____________ fish farming. A. supplement to B. appetite for C. benefits of D. rediscovery of E. uncertainty regarding F. impediments to G. disruption of H. optimism about I. subtleties of