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标题: GWD13-5-30 [打印本页]

作者: sisxoinouer 时间: 2008-4-7 10:08 标题: GWD13-5-30

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 _______.

many of the proponents of irradiation are food distributors who gain from food’s having a longer shelf life
it is clear that killing bacteria that may be present on food is not the only effect that irradiation has
cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods
certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is
for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded

不懂，答案既有E也有C，请指教~~~

作者: dabiaoxun 时间: 2008-4-8 06:51

这道题目颇有争议

我选c,我觉得c说明了misleading

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