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  3. 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

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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.
【B2】
选项
答案D
解析 本题可以组合使用无关词排除法、复现结构定位法和上下文逻辑关系定位法。第2题出现在本段的段尾，也就是说第2题必须填入与前面的本段原文已知信息具有最大相近性的信息。通过分析前面的原文已知信息可定位出两个主要的信息点：antibiotics(抗生素)和farm-animals，根据这两个词可判定出前面的原文已知信息主要是在谈论“给农场中的家畜使用抗生素”，这就是填空第2题之前的原文已知信息的核心主题，意味着填入第2题的信息也必须谈论同样的相关内容。选项A)中出现了they和his这两个代词，而在本题之前的原文已知信息中没有可以被它们指代的事物；同时选项A)中出现了farm manure(农场肥料)，这个概念与第2题之前的原文已知信息显然没有关系，选项A)中也不含有antibiotics和farm-animals的复现信息点，可以断定选项A)与第2题一定没有什么相近性，所以不可能衔接在一起。选项B)上来就在句子主语的位置出现了manure(肥料)这个概念，因此选项B)主要是谈论“肥料”的问题，而这个概念在第2题之前的原文已知信息中根本没有涉及，这说明选项B)与第2题之前的原文已知信息的主题不相关。选项E)在主语的位置出现了his findings(他的发现)，而第2题之前的原文已知信息中没有可以被his findings指代的事物，可排除。选项F)中几乎没有一个词与第2题之前的原文已知信息有任何关系，如：tap water pumped from rocks beneath fertilized fields，这些概念在第2题之前的原文已知信息中根本就没有出现，所以第2题之前的原文已知信息是不可能与选项F)具有衔接关系的。选项G)在句子的核心主语位置出现了food and drink这个概念，这个概念与第2题之前的原文已知信息无关，此选项也可以排除。通过无关词排除法可将5个选项排除出去，而通过antibiotics和farm-animals的复现信息点定位出选项C)和D)都含有复现点，即选项C)中的animal antibiotics和选项D)中的these farmyard drugs。但是，选项C)中出现的insufficient attention(没有给予足够的重视)与原文不符合；另外，利用上下文逻辑关系定位法，可确定第2题的前后文存在转折关系，这要求第2题中必须填入一个表示转折关系的选项才可以衔接上下文，因此，只有选项D)是符合的。
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