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[Critical Reasoning]
试题详情
题目：
Lofgren's disease has been observed frequently in commercially raised cattle but very rarely in chickens. Both cattle and chickens raised for meat are often fed the type of feed that transmits the virus that causes the disease. Animals infected with the virus take more than a year to develop symptoms of Lofgren's disease, however, and chickens commercially raised for meat, unlike cattle, are generally brought to market during their first year of life.
Which of the following is most strongly supported by the information provided?
选项:
A、The virus that causes Lofgren's disease cannot be transmitted to human beings by chickens.
B、There is no way to determine whether a chicken is infected with the Lofgren's disease virus before the chicken shows symptoms of the disease.
C、A failure to observe Lofgren's disease in commercial chicken populations is not good evidence that chickens are immune to the virus that causes this disease.
D、An animal that has been infected with the virus that causes Lofgren's disease but that has not developed symptoms cannot transmit the disease to an uninfected animal of the same species.
E、The feed that chickens and cattle are fed is probably not the only source of the virus that causes Lofgren's disease.
答案:
C
提问：
老师，B选项为什么错呢？属于哪一类错误呢？
解答：
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阅读3719
提问：
老师，B选项为什么错呢？属于哪一类错误呢？
解答：
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阅读3720
提问：
老师好，这题我选了D，答案是C，希望老师解答，谢谢老师！
解答：
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阅读3585
提问：
cr 错选了E 迷惑性好大啊
解答：
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阅读3549
提问：
我读原文读成这样：L细菌被发现经常在牛但还少在鸡，牛和鸡都是用来当肉去喂食，而这样会导致产生病毒。受感染的动物需要多于1年的时间去产生症状这个L病毒，然而，这个鸡呢产肉的不像牛那样，而会到市场在一年之内（不知道对不对囧）
A说可以被转移从鸡，没读到（杀）
B提到了一下症状什么的，先留
C一个错误去发现这个病毒在鸡不是一个好的一个什么证据（没感觉，不知道在说什么）
D动物感染病毒后的状态问题（杀了）
E这个feed被鸡和牛喂不是唯一源头（感觉讲到病毒源头问题，原文好像没提就杀了）
再细比，就错了....求教老鹰..
解答：
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阅读3639
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