2017新GRE写作官方题库Argument全题解析汇总(63)

>>GRE写作：2017新GRE写作官方题库Argument全题解析汇总(63)

>>GRE考试辅导：精品课程高端指导

GRE官方题库原题63

The following appeared in a business magazine.

"As a result of numerous complaints of dizziness and nausea on the part of consumers of Promofoods tuna, the company requested that eight million cans of its tuna be returned for testing. Promofoods concluded that the canned tuna did not, after all, pose a health risk. This conclusion is based on tests performed on samples of the recalled cans by chemists from Promofoods; the chemists found that of the eight food chemicals most commonly blamed for causing symptoms of dizziness and nausea, five were not found in any of the tested cans. The chemists did find small amounts of the three remaining suspected chemicals but pointed out that these occur naturally in all canned foods."

Write a response in which you discuss what questions would need to be addressed in order to decide whether the conclusion and the argument on which it is based are reasonable. Be sure to explain how the answers to the questions would help to evaluate the conclusion.

题目翻译

去年有大量消费者投诉食用金枪鱼后出现眩晕恶心症状，Promofoods回收检测了800万罐金枪鱼。Promofoods得出结论说这些罐头根本不存在健康危险。这一结论是建立在Promofoods的化学家测试了回收的罐头样本，并发现8种最常见的导致眩晕恶心症状的化学物质中，有五种都没有在任何被测试的罐头中发现。化学家确实发现剩下三种受怀疑的化学物质但指出这些物质是天然存在的，是正常现象。

题目分析

1. 发现的3种物质哪怕天然存在，但也不能作为不致病的原因。天然存在于其他食品中不代表就无毒，可能都有毒，只不过金枪鱼罐头中含量较高，因而出现了症状。

2. 只检测了八种常见致病化学物质，可能存在其它物质造成病因。

3. 样品范围存疑。虽然回收数量大，但并非说明是所有。可能未回收产品中存在问题。

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