[originaltext] Whether or not vegetarianism should be advocated for adults,

游客2024-05-30  16

问题  
Whether or not vegetarianism should be advocated for adults, (26)it is definitely unsatisfactory for growing children, who need more protein than they can get from vegetable sources. Vegetarianism is just not healthy for them. However, a lacto-vegetarian diet, which includes milk and milk products such as cheese, can be satisfactory as long as enough milk and milk products are consumed.
     Meat and cheese are the best sources of usable animal protein and next come milk,fish and eggs.  
   (27)Slow and careful cooking of meat makes it more digestible and assists in the breaking down of the protein content by the body. However, when cooking vegetables, the vitamins, and in particular the water-soluble vitamin C. should not be lost through over-cooking.
     With fruit, vitamin loss is negligible, because the cooking water is normally eaten along with the fruit. and acids in the fruit help to hold in the vitamin C.
     Most nutrition experts today would recommend a balanced diet containing elements of all foods, largely because of our need for sufficient vitamins. Vitamins were first called "accessory food factors" since it was discovered, in 1906. that most foods contain. besides carbohydrates, fats, minerals and water, these other substances necessary for health. The most common deficiencies in Western diets today are those of vitamins. The answer is variety in food. (28)A well balanced diet having sufficient amounts of milk, fruit, vegetables, eggs.meat and fish usually provides adequate minimum daily requirements of all the vitamins.

选项 A、We should eat more meat than vegetables.
B、We should eat more vegetables than meat.
C、We should eat different kinds of vegetables.
D、We should eat fruit, cereals, fish, meat and vegetables.

答案 D

解析 细节推断题。专家建议,良好的饮食搭配(A well balanced diet)应该包括大量的奶制品、水果、蔬菜、鸡蛋、肉、鱼(having sufficient amounts of milk, fruit, vegetables, eggs, meat and fish),这样的搭配可以提供每天所必需的各种维生素(provides adequate minimum daily requirements of all the vitamins)。由此可见.我们每天需要吃水果、谷物、鱼外,还需要吃肉和蔬菜
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