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本帖最后由 asahi 于 2012-2-24 08:13 编辑
117 The following appeared in a memo from the vice president of a food distribution company with food storage warehouses in several cities.
"Recently, we signed a contract with the Fly-Away Pest Control Company to provide pest control services at our warehouse in Palm City, but last month we discovered that over $20,000 worth of food there had been destroyed by pest damage. Meanwhile, the Buzzoff Pest Control Company, which we have used for many years in Palm City, continued to service our warehouse in Wintervale, and last month only $10,000 worth of the food stored there had been destroyed by pest damage. Even though the price charged by Fly-Away is considerably lower, our best means of saving money is to return to Buzzoff for all our pest control services."
Write a response in which you examine the stated and/or unstated assumptions of the argument. Be sure to explain how the argument depends on these assumptions and what the implications are for the argument if the assumptions prove unwarranted.
提纲
1,
20000 被虫子害了不能说是完全因为FA不好, 论据太单薄. 也许还有其它客观的原因
导致.
2,
指根据虫子,不能证明
B比A好.
3, 最好的省钱的方法未必是这个,换了以后也会有很多花费.
4, 所有的中心都用B, 也许有的不适当呢.
字数 416
In this memo, the vice president makes a contrast between Aly-Away and Nuzzoff Pest Control Company merely based upon one pest damage in different services centers, and concludes that the best means to save money is to return to Buzzoff for all their pest control services. Upon first glance, the assumption is reasonable, however, careful scrutiny of the author’s evidence reveals that it accomplishes little toward supporting His claim, as discussed below.
First, the less loss of the food which had been destroyed by pest damage cannot prove that Buzzoff provides better services than Aly-Away. The author ignores other possible factors, like bad whether condition, which may also lead to food being destroyed by pest damage. Perhaps in Palm City, they have been experiencing a long lasting annoying plum rains, which accelerates the propagation of pests, insects and other bacteria. Inevitably, most of the stored food, including in the warehouses, have been destroyed by pest damage. Thus, in this case, we cannot bare the conclusion that the pest damage is because of Aly-Away’s bad service. Moreover, there are many other aspects that are used to estimate the performance of a service provider. If Aly-Away offers excellent after-sale service like the examine of the pest damage system, or, say, other additional service like the maintenance of the warehouse, etc, we cannot judge that it is not a good service provider. It is unfair to make the conclusion just from the pest damage worth.
Second, the author claims that return to Buzzoff for all the pest control services is the best means of saving money. However, the author overlooks that other aspects that might spend more money. Since they have already made the contrast with Aly-Away, a termination of the service, which means to cancel the contrast, might take additional renege fees. How can we make sure that these fees will not exceed the loss by the pest damage? Thus, the author’s assumption is problematic.
Third, even if this is the mean to save money, the author’s claim that they should return to Buzzoff for all the pest control services is unwarranted. The good service performance in warehouse in Wintervale does not necessarily indicate that Buzzoff could offer the same good performance in other warehouses. In short, without ruling out other possible explanations for this conclusion, the author cannot reasonably conclude Buzzoff will be competent in all the other warehouses.
In sum, the vice president relies on a series of dubious assumptions, which render the conclusion wholly unpersuasive.
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