III. Cloze Test (16-35 題，共 20 題) Ａ. Fish farming is the practice of captive-raising fish for consumption or other human use. Fish farming now ____16____ for half of all fish consumed worldwide, according to Stanford University. Yet the process has its disadvantages, ____17____ from disease control 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.