2. 外语
  3. A、Improving the quality of meat. B、Helping them keep healthy. C、Reducing the cost of medical care. D、Strengthening humans’ disea

A、Improving the quality of meat. B、Helping them keep healthy. C、Reducing the cost of medical care. D、Strengthening humans’ disea

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问题
选项 A、Improving the quality of meat.
B、Helping them keep healthy.
C、Reducing the cost of medical care.
D、Strengthening humans’ disease resistance.
答案B
解析 新闻中提到，农场主多年来一直向家畜喂食少量抗生素，因为这种药物可以帮助家畜长得更快并且可以防止集体养殖家畜间的疾病传播。
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大学英语四级

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