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大学英语六级考试巅峰训练一本通 Model test 1
2014-08-14来源:和谐英语
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[28:11.69]As a result, claims that eating a diet consisting
[28:14.29]entirely of organically grown foods prevents or cures
[28:17.15]disease or provides other benefits to health have become
[28:21.00]widely publicized and form the basis of folklore.
[28:25.04]Almost daily the public is besieged by claims for
[28:27.84]“no aging” diets, new vitamins and other wonder foods.
[28:32.03]There are numerous unsubstantiated reports that natural
[28:34.78]vitamins are superior to synthetic ones,
[28:38.06]that fertilized eggs are nutritionally superior to
[28:40.90]unfertilized eggs, and the like.
[28:43.85]One thing that most organically grown food products
[28:46.54]seem to have in common is that they cost more
[28:49.52]than conventionally grown foods.
[28:52.01]But in many cases consumers are misled if they believe
[28:55.29]organic foods can maintain health and provide better
[28:58.11]nutritional quality than conventionally grown foods.
[29:01.93]So there is real cause for concern if consumers,
[29:05.34]particularly those with limited incomes,
[29:07.93]who distrust the regular food supply and
[29:10.32]buy only expensive organic foods instead.