OG60,没找到以前的讨论,请帮忙看看

karrol

60. Since the routine use of antibiotics can give rise to resistant bacteria capable of surviving antibiotic environments, the presence of resistant bacteria in people could be due to the human use of prescription antibiotics. Some scientists, however, believe that most resistant bacteria in people derive from human consumption of bacterially infected meat.

 

which of the following statements, if true, would most significantly strengthen the hypothesis of the scientists?

(A) Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals.

(B) Most people who develop food poisoning from bacterially infected meat are treated with prescription antibiotics.

(C) The incidence of resistant bacteria in people has tended to be much higher in urban areas than in rural areas where meat is of comparable quality.

(D) People who have never taken prescription antibiotics are those least likely to develop resistant bacteria.
   

(E) Livestock producers claim that resistant bacteria in animals cannot be transmitted to people through infected meat.
   

答案是A,可是C不对吗?urban的肉没有rural的品质好,所以感染的多啊, 说明肉是感染源嘛?

[此贴子已经被作者于2006-10-11 6:27:45编辑过]

yogaII

where meat is of comparable quality

两个地方质量相当

karrol

原来是我把意思理解错了~~~还以为是后者好呢

多谢楼上