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

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

游客2023-07-22  30
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 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 form the basis for folklore.
    Almost daily the public is besieged by claims for "no-aging’ diets, new vitamins, and other wonder foods, there 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 real cause for concern if consumers, particularly those with limited incomes, distrust the regular food supply and buy only expensive organic foods instead. [br] The" welcome development" mentioned in lines the 1st sentence of the 2nd paragraph is an increase in
选项 A、interest in food safety and nutrition among North Americans
B、the nutritional quality of the typical North American diet
C、the amount of healthy food grown in North America
D、the number of consumers in North America
答案 A
解析 句子理解题。第6行提到“welcome development”是增加：A项北美人对食物安全性和营养性的兴趣；B项典型北美人饮食的营养水平；C项北美培养的健康食品的数量；D项北美的消费者人数。
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