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A、How to keep fit. B、Common diseases caused by vitamins. C、Vitamins and our health. D、Vitamin in different kinds of vegetables.
A、How to keep fit. B、Common diseases caused by vitamins. C、Vitamins and our health. D、Vitamin in different kinds of vegetables.
admin
2013-04-08
64
问题
When people have enough B vitamins, their appetite is good and their nerves are calm. B vitamins in the diet come from some meats and vegetables, milk, cottage cheese, and whole grains.
When a grain is processed, it loses vitamins. For example, there is a big difference between white and brown rice. When rice is processed, the brown outside is lost. The brown outside of rice has an important B vitamin which white rice lacks. In short, brown rice has more B vitamins than processed rice.
Vitamin C keeps the cells of the body together. It helps skin tissue recover from cuts and bums. Vitamin C in the diet comes from tomatoes, fruits like lemons and oranges, and some vegetables such as cabbage and green peppers.
Vitamin D is called the "sunshine" vitamin. When people sit outside, ultraviolet rays from the sun change fat in their skin to vita- min D. Vitamin D disease in children are called rickets. Rickets is more common in countries that have long winters with little sun- shine.
选项
A、How to keep fit.
B、Common diseases caused by vitamins.
C、Vitamins and our health.
D、Vitamin in different kinds of vegetables.
答案
C
解析
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0
大学英语四级
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