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2012年5月19日雅思真题范文解析 海外大学教师谢振礼原创：农机肥料 真题回忆： 这回的Task 2题目几年前曾经在中国出现过。最近也重现南美。以下2012-5-19真题回忆（不十分准确），印象中应该八九不离十。 》起段 Introduction: 农机肥料--好处人人皆知；坏处有所不知。 》承段 BodyA （正面）：论证 利用农业机器，既省时间又省人力马力牛力。显然的是农地生产提高，同时农品价钱降低，造福消费百姓。另一方面，采用化学肥料也是大大的改善施肥的方式，保持土地的肥沃，可谓功不可没。 》转段 BodyB（负面）：论证 农机用燃料发动，因此造成环境污染。化学肥料可能也污染水土，所以很不可靠。长久吃可疑的农产品必定对健康不利，甚至小命难保。 》合段 Conclusion 农机肥料--祸福交杂。但求减少污染，采用无毒肥料为妙。 Topic>类似真题 The increase in food production owes much to the use of improved fertilizers and better machinery, but some people think that this has a negative impact on human health and community. To what extent do you agree or disagree?
Topic>类似真题 Food can be produced more cheaply today by using improved fertilizers and better machinery. However, some people think that the methods used to increase production may be dangerous for human health and have negative effects on local communities. What is your opinion?
Give reasons for your answer and include any relevant examples from your knowledge or experience.
原创范文： Although the advantages of applying machinery and fertilizers to agriculture are too obvious to be denied , there are after-effects that are certainly not in favor of natural environment and human health. It is probable that, without a continuous string of inventions related to agro-machines and agro-chemical know-how, the current world population could not be sufficiently sustained. Nowadays, it is increasingly known that such farming methods nevertheless contribute to undesirable pollutions and fatal diseases.
At a glance, economic benefits abound. To illustrate, better mechanized agriculture allows more land to be farmed by fewer people. Farm work therefore becomes more efficient and less time-consuming. Added to that, the use of new fertilizers creates higher yields because much of available land is made more fertile. As a combined result, food is cheaper, which of course benefits consumers in general. It is easy to see that, thanks to mechanical and chemical technologies, a series of positive changes have been made, ranging from preparing the soil to planting seeds to gathering the harvest to processing the crop.
Looking from a different angle, there are hidden drawbacks to such changes, affecting people's health and the quality of air and water in the community. For one thing, agricultural equipment requires diesel fuel to operate, which causes air pollution. Thus, the more machines are being used, the more air pollution there is in the countryside. As if it were not bad enough, human health is endangered by the abuse of chemical compounds, eventually leading to water pollution under soil. Worst of all, reportedly some health problems are associated with farm products. Researchers have also sent shocking warnings against the possibility of links between polluted foods and various diseases, including intoxication and cancer.
In sum, it is clear that modernization in agriculture is not always good, inevitably giving rise to a mixed feeling of blessings and curses. The truth is that it is next to impossible now to do without machines and fertilizers on farms, especially when the global population is growing rapidly. If nothing else, at this point the world is nervously expecting the coming of environment-friendly machinery and risk-free fertilizers. (Essay created by Jeenn Lee Hsieh)
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