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Irradiated Food Irradiating (照射)fruits, vegetable, pork and chicken to kill insects and bacteria has been approved by the Fo
Irradiated Food Irradiating (照射)fruits, vegetable, pork and chicken to kill insects and bacteria has been approved by the Fo
admin
2011-01-06
112
问题
Irradiated Food
Irradiating (照射)fruits, vegetable, pork and chicken to kill insects and bacteria has been approved by the Food and Drug Administration over the past decade or so. Irradiation of other meats, such as beef and lamb, is being reviewed. Federal approval dose not require that industry adopt the process, and few food processors presently offer irradiated products.
Market studies have shown that many consumers are afraid that eating irradiated food may cause cancer, despite scientific studied that prove the safety of treated food. Some people argue that more severe government inspection, higher food-safety standards, and more careful food-preparation practices by consumers are all that is needed to ensure that food is safe. Consequently, companies cur rently see no need to spend millions of dollars outfitting(配备) processing plants with the equipment necessary for a process that very few shoppers are in favor of.
All supermarkets that sell irradiated food must label that food either directly on the packaging or in the case of bulk items like fruits and vegetables by placing a sign nearby. There is no requirement for the labeling of irradiated food served by chain restaurants or hospitals that buy directly from distributors, nor any regulations for products that contain irradiated ingredients.
Presently, the FDA allows food to be treated with types of radiation-gamma rays, high-energy electrons, and X-rays-and sets limits on doses(辐射量) depending on the type of food. The principle is that the does to be used for a certain type of food should not exceed the amount that is sufficient to kill most harmful insects and bacteria present in it. Different types of food, because of their different molecular(分子) compositions, may require different doses of radiation.
According to the passage, killing insets and bacteria present in food by irradiating ______.
选项
A、has been completely approved by the FDA
B、is being reviewed by the FDA
C、is not completely approved by the U. S. government
D、has been widely adopted in the U. S.
答案
C
解析
推理判断题。本题考查对review一词的理解。从文章第一段第一句可知,有些经过照射处理的食品已被FDA认可;从第二句的being reviewed可知有些食物仍然正在评估中。所以选项A、B、D都太绝对或概括过度,均不正确。
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本试题收录于:
职称英语卫生类C级题库职称英语分类
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