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A strict vegetarian is a person who never in his life eats anything derived from animals. The main objection to vegetarianism on
A strict vegetarian is a person who never in his life eats anything derived from animals. The main objection to vegetarianism on
admin
2011-01-06
52
问题
A strict vegetarian is a person who never in his life eats anything derived from animals. The main objection to vegetarianism on a long-term basis is the difficulty to getting enough protein, the body building elements in food. If you have ever been without meat or animal foods for some days of weeds (say, for religious reasons) you will have noticed that you tend to get physically rather weak. You are glad when the fast is over and you get your reward of a succulent meat meal. Proteins are built up from approximately twenty food elements called "amino-acids", which are found more abundantly in animal protein than in vegetable protein. This means you have to eat a great deal more vegetable than animal food in order to get enough of these amino-acids. A great of the vegetable food goes to waste in this process and from the physiological point of view there is not much to be said in favor of life-long vegetarianism.
The economic side of the question, though, must be considered. Vegetable food is much cheaper than animal food. However, since only a small proportion of tae vegetable protein is useful for body-building purposes, a consistent vegetarian, if he is to gain the necessary 70 grams of protein a day, has to consume a greater bulk of food than his digestive organs can comfortably deal with. In fairness, though, it must be pointed out that vegetarians claim they need far less than 70 grams of protein a day.
Whether or not vegetarianism should be advocated for adults, it is definitely unsatisfactory for growing children, who need more protein than they can get from vegetable sources. A lacto-vegetarian diet, which includes milk and milk products such as cheese, can, however, be satisfactory as long as enough milk and milk products are consumed.
Meat and cheese are the best sources of usable digestible and next come milk, fish and eggs. Slow and careful cooking of meat makes it more digestible and assists in the breaking down of the protein content by the body. When cooking vegetables, however, the vitamins, and in particular the water-solube vitamin C, should be lost through overcooking.
Which of the following is best reflected the author’s attitude?
选项
A、Vegetarianism is not good for one’s health.
B、Vegetarianism should be advocated for adults.
C、One should have a well-balances diet containing elements of all foods.
D、A lacto-vegetarian diet is the best as it provides adequate nutrition.
答案
C
解析
作者态度题。题目询问选项中的哪一种说法可以反映出作者的态度。A素食主义对身体没有好处。B成年人应该提倡素食主义。C应该食用包括各种食物成分的合理的饮食结构。D乳类素食者的饮食结构是最好的,因为它提供了足够的营养。可在文中作者提到素食主义是不应该提倡的。因为素食的饮食结构没有提供完美的营养成分。
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本试题收录于:
职称英语卫生类B级题库职称英语分类
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