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　　With the global population predicted to hit close to 10 billion by 2050, and forecasts that agricultural production in some regions will need to nearly double to keep pace, food security isincreasingly making headlines. In the UK, it has become a big talking point recently too, for a rather particular reason: Brexit.

　　Brexit is seen by some as an opportunity to reverse a recent trend towards the UK importing food. The country produces only about 60 per cent of the food it eats, down from almost three-quarters in the late 1980s. A move back to self-sufficiency, the argument goes, would boostthe farming industry, political sovereignty and even the nation's health. Sounds great-but how feasible is this vision?

　　According to a report on UK food production from the University of Leeds, UK, 85 per cent of the country's total land area is associated with meat and dairy production. That supplies 80 per cent of what is consumed, so even covering the whole country in livestock farms wouldn't allow us to cover all our meat and dairy needs.

　　There are many caveats to those figures, but they are still grave. To become much more self-sufficient, the UK would need to drastically reduce its consumption of animal foods, and probably also farm more intensively-meaning fewer green fields and more factory-style production.

　　But switching to a mainly plant-based diet wouldn't help. There is a good reason why the UK is dominated by animal husbandry: most of its terrain doesn't have the right soil or climate to grow crops on commercial basis. Just 25 per cent of the country's land is suitable for crop-growing, most of which is already occupied by arable fields. Even if we converted all the suitable land to fields of fruit and veg-which would involve taking out all the nature reservesand removing thousands of people from their homes-we would achieve only a 30 per cent boost in crop production.

　　Just 23 per cent of the fruit and vegetables consumed in the UK are currently home-grown, so even with the most extreme measures we could meet only 30 per cent of our fresh produce needs. That is before we look for the space to grow the grains, sugars, seeds and oils that provide us with the vast bulk of our current calorie intake.

　　26. Some people argue that food self-sufficiency in the UK would

　　[A] be hindered by its population growth

　　[B] contribute to the nations well-being

　　[C] become a priority of the government

　　[D] post a challenge to its farming industry

　　27. The report by the University of Leeds showed that in the UK

　　[A] farmland has been inefficiently utilised

　　[B] factory style production needs reforming

　　[C] most land is used for meat and dairy production

　　[D] more green fields will be converted for farming

　　28. Crop-growing in the UK is restricted due to

　　[A] its farming technology

　　[B] its dietary tradition

　　[C] its natural conditions

　　[D] its commercial interests

　　29. It can be learned from the last paragraph that British people_

　　[A] rely largely on imports for fresh produce

　　[B] enjoy a steady rise in fruit consumption

　　[C] are seeking effective ways to cut calorie intake

　　[D] are trying to grow new varieties of grains

　　30. The author's attitude to food self-efficiency in the UK is

　　[A] defensive

　　[B] doubtful

　　[C] tolerant

　　[D] optimistic

　　【正确答案】26.B 27. C 28. C 29. A 30. B

　　【解析】

　　26. 根据关键词food self-sufficiency定位到第二段第三句，该句指出重返自给自足会促进农业生产、政治主权和国家的卫生健康，选项B中的well-being是对以上三点的概述，故选项B是正确答案。A中的被人口增长所阻碍(hinder)为偷换概念的信息。C选项信息属于无中生有。D选项中的farmingindustry有提及，但并未说是对其的挑战(challenge)，偷换概念。

　　27. 根据关键词定位到第三段，肉类和奶制品的生产占用了英国85%的土地面积，C选项为同义转化，将85%用most替换。故答案选C。A中的耕地未进行有效率地开发，为文中未提及的信息。B的改革(reforming)未提到，无中生有。D 中指出更多的绿地将用于耕地，第四段提到了绿地，但未提及要将其用于耕地。

　　28. 根据关键词定位到第五段的第二句，thereisagoodreason后直接对应该题的定位处，该句提到了土壤(soil)和气候(climate)，选项C(自然条件)是对其的改写。A、B、D三项均与该题定位涉及信息无关，故排除。

　　29. 根据关键词定位最后一段，提到在英国只有23%的蔬菜水果是本国种植，即大部分都需要进口，故答案选A。B选项中水果方面消耗的稳定增长为未提及信息，无中生有。C 寻求有效的方式减少卡路里摄取，为文中未提及信息。D 尝试种植新品种谷物，为文中未提及信息。

　　30. 最后一题态度题与全文主旨有关。第一段为背景：人口增长预示着食物的生产也要跟上步伐。第二段引出了英国粮食自给的话题，并在最后一句通过设问的方式表示作者的质疑：这真的行得通吗?暗示其行不通。后面几段阐述了行不通的原因。最后一段通过举例英国人的蔬菜水果大量依靠进口，再次回答此前的问题。综上，作者的态度应该是怀疑的(doubtful)。

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