大学英语六级考试巅峰训练一本通 Model test 2
日期:2014-08-14
[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.
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