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Fields across Europe are contaminated with dangerous levels of the antibiotics given to farm animals. The drugs, which are in ma
Fields across Europe are contaminated with dangerous levels of the antibiotics given to farm animals. The drugs, which are in ma
admin
2022-12-18
44
问题
Fields across Europe are contaminated with dangerous levels of the antibiotics given to farm animals. The drugs, which are in manure sprayed onto fields as fertilizers, could be getting into our food and water, helping to create a new generation of antibiotic-resistant "superbugs".
The warning comes from a researcher in Switzerland who looked at levels of the drugs in farm slurry.【B1】_______________
Some 20,000 tons antibiotics are used in the European Union and the US each year. More than half are given to farm-animals to prevent disease and promote growth.【B2】_______________
Most researchers assumed that humans become infected with the resistant strains by eating contaminated meat. But far more of the drugs end up in manure than in meat products, says Stephen Mueller of the Swiss Federal Institute for Environmental Science and Technology in Dubendorf.【B3】______________
With millions of tons animals manure spread onto fields of crops such as wheat and barley each year, this pathway seems an equally likely route for spreading resistance, he said. The drugs contaminate the crops, which are then eaten.【B4】_______________
Mueller is particularly concerned about a group of antibiotics called sulphonamides.【B5】_____________This concentration is high enough to trigger the development of resistance among bacteria. But vets are not treating the issue seriously.
There is growing concern at the extent to which drugs, including antibiotics, are polluting the environment. Many drugs given to humans are also excreted unchanged and broken down by conventional sewage treatment.
A ) They do not easily degrade or dissolve in water. His analysis found that Swiss farm manure contains a high percentage of sulphonamides; each hectare of field could be contaminated with up to 1 kilogram of the drugs.
B ) And manure contains especially high levels of bugs that are resistant to antibiotics, he says.
C ) Animal antibiotics is still an area to which insufficient attention has been paid.
D ) But recent research has found a direct link between the increased use of these farmyard drugs and the appearance of antibiotic-resistant bugs that infect people.
E ) His findings are particularly shocking because Switzerland is one of the few countries to have banned antibiotics as growth promoters in animal feed.
F ) They could also be leaching into tap water pumped from rocks beneath fertilized fields.
G ) There is no doubt that the food and drink is always important to the health.
【B3】
选项
答案
B
解析
本题可以组合使用无关词排除法、复现结构定位法和代词指代关系定位法。第3题之前的本段原文信息中提到了一个具体的科学家,此人做了says这个动作,此动作在英文中常表明一个观点。研究其观点中的信息,定位but连接词,but后的信息实际是该科学家的核心观点,通过研究but后的信息发现文章在此处提出了“manure(牲畜的粪便)含有更多的药物残留”,其实这就是第3题之前的本段原文信息的核心内容。由此线索可判断出填入第3题的信息肯定出现manure这个复现信息点,而且也应该绕不开这个科学家,即可能存在人称代词的指代。综合运用无关词排除法、复现结构定位法和代词指代关系定位法可迅速查找到只有选项B)符合所有的线索:选项B)的主题信息词是manure,并且说明manure中含有特别高的药物残留,保证了信息上的相近性,最后还使用了代词he,这个代词完全可以指代之前的科学家,而且做的是同样的动作says。
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0
考研英语一
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