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Which of the following most logically completes the argument?

The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.

正确答案: E

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GWD的两道逻辑,觉得有争议

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楼主
发表于 2008-5-30 04:47:00 | 只看该作者

GWD的两道逻辑,觉得有争议

GWD5-Q29:

Over the past five years, the price gap between name-brand cereals and less expensive store-brand cereals has become so wide that consumers have been switching increasingly to store brands despite the name brands’ reputation for better quality.  To attract these consumers back, several manufacturers of name-brand cereals plan to narrow the price gap between their cereals and store brands to less than what it was five years ago.

Which of the following, if true, most seriously calls into question the likelihood that the manufacturers’ plan will succeed in attracting back a large percentage of consumers who have switched to store brands?  

A.      There is no significant difference among manufacturers of name-brand cereals in the prices they charge for their products.

B.       Consumers who have switched to store-brand cereals have generally been satisfied with the quality of those cereals.

C.      Many consumers would never think of switching to store-brand cereals because they believe the name brand cereals to be of better quality.

D.      Because of lower advertising costs, stores are able to offer their own brands of cereals at significantly lower prices than those charged for name-brand cereals.

E.       Total annual sales of cereals—including both name-brand and store-brand cereals—have not increased significantly over the past five years.

生产商为了拉回顾客,要缩小他们谷类食物和store brands 的价格差。题目问削弱,也就是他们不能吸引顾客回来。D指出 stores能够提供比manufacturers 低的价格,也就是说manufacturers 不能缩小他们之间的价格差。正好削弱,why B is right?

GWD 5-Q30:

Which of the following most logically completes the argument? 

The irradiation of food kills bacteria and thus retards spoilage.  However, it also lowers the nutritional value of many foods.  For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain.  Proponents of irradiation point out that irradiation are no worse in this respect than cooking.  However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since ___.

A.      many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life

B.       it is clear that killing bacteria that may be present on food is not the only effect that irradiation has

C.      cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods

D.      certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is

E.       for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded

这道题有点懵了,懂得人请说明一下,TKS!

沙发
发表于 2008-5-30 07:19:00 | 只看该作者

第一题,D选项是即成的事实。如果说你选项看成是store brand有能力降价以保持price gap的话,那么降价总是会有一个底线的,最终name brand还是能缩小gap。

B 原来顾客们在两种选择之间徘徊,低价低质和高价高质,也就是说在价格和质量之间做选择,最终选择了低价的而放弃了对质量的追求

而现在name brand企图通过降低价格来吸引顾客,他的assumption就是质量的差距仍然存在。B提出,对质量很满意,即质量的差距不存在了。

板凳
发表于 2008-6-1 21:48:00 | 只看该作者
对楼上选B的理由作一下概括就是另有他因,即是质量而不再是价格了
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