問題詳情

III. Cloze Test
 Ａ.Fish farming is the practice of captive-raising fish for consumption or other human use. Fish farming now ____16____ for halfof all fish consumed worldwide, according to Stanford University. Yet the process has its disadvantages, ____17____ from diseasecontrol to environmental hazards. Keeping fish in close ____18____ increases the chances of disease. If a fish gets sick with a(n)____19____ virus, it's likely to transfer to other fish in the farm. Fish are also vulnerable to infestations of parasites. In Maine, in 2000 a(n) ____20____ of anemia in an aquaculture facility led to 2.5 million fish being killed, according to a Time magazine article.
16.
(A) accounts
(B) charges
(C) moderates
(D) regulates

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