E X E R C I S E 2: Choose the correct answer according to the passage.
1. The passage tells us that before the discovery of vitamins
A) Frederick Hopkins advised taking proteins, carbohydrates, fats, and minerals
B) polished rice was believed to be particularly healthy
C) citrus fruits were not included in Western diets
D) some specific foods were already recognized as helpful to health
E) scurvy and beriberi were two major causes of death
2. According to the passage, the name vitamin is applied to "accessory factors" although
A) Casamir Funk didn't find it appropriate
B) minerals are just as important
C) beriberi is caused by eating too much rice
D) some of them are not vital in diet
E) not all of them contain "amines"
3. From the information given in the passage, we can conclude that the lack of a certain
type of nitrogen-containing compound in a diet
A) may lead to the disease called beriberi
B) is still very common in many parts of the world
C) can be corrected by eating citrus fruits
D) does not normally cause any health problems
E) is common among those whose diet is rice-based
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