Are organically grown foods the best food choices? The advantages claimed fo

游客2023-09-13 37

问题 Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods — a term whose meaning varies greatly — frequently proclaim that such products are safer and more nutritious than others.
The growing interest of consumers in the safety and nutritional quality of the typical North American diet is a welcome development. However, much of this interest has been sparked by sweeping claims that the food supply is unsafe or inadequate in meeting nutritional needs. Although most of these claims are not supported by scientific evidence, the preponderance of written material advancing such claims makes it difficult for the general public to separate fact from fiction. As a result, claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health have become widely publicized and from the basis for folklore.
Almost daily the public is besieged by claims for "no aging" diets, new vitamins, and other wonder foods. These are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones, that fertilized eggs are nutritionally superior to unfertilized eggs, that untreated grains are better than fumigated grains, and the like.
One thing that most organically grown food products seem to have in common is that they cost more than conventionally grown foods. But in many cases consumers are misled if they believe organic foods can maintain health and provide better nutritional quality than conventionally grown foods. So there is a real cause for concern if consumers, particularly those with limited incomes, distrust the regular food supply and buy only expensive organic foods instead. [br] According to the first paragraph, which of the following is true about the term "organic foods"?

选项 A、It is accepted by most nutritionists.
B、It has been used only in recent years.
C、It has no fixed meaning.
D、It is seldom used by consumers.

答案 C

解析细节定位题。通读第1段，首先找出关键词organic foods所在的句子：Advocates of organic foods — a term whose meaning varies greatly — frequently proclaim that such products are safer and more nutritious than others. 意思是：有机肥食物(该名词意思有多种不同理解)的倡导者，经常声称说，此种食物比其他种类的食物更安全而且更具营养价值。该词后有“一”符号，说明后面部分正好是对该词组的进一步补充解释，解释部分恰与c“代表的意义不确定”相符。所以，C正确。A，大部分营养学家都接受这种称谓，B：近年来才被公众采纳；D：消费者很少使用均与原文不符。

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