Đọc đoạn văn sau và trả lời các câu hỏi: Scientists do not yet thoroughly understand just how the body of an
individual becomes sensitive to a substance that is harmless or even
wholesome for the average person. Milk, wheat, and egg, for example,
rank among the most healthful and widely used foods. Yet these foods
5 can cause persons sensitive to them to suffer greatly. At first,
the body of the individual is not harmed by coming into contact with
the substance. After a varying interval of time, usually longer than
a few weeks, the body becomes sensitive to it, and an allergy has
begun to develop.
10
Sometimes it's hard to figure out if you have a food allergy, since
it can show up so many different ways. Your symptoms could be caused
by many other problems. You may have rashes, hives, joint pains mimicking
arthritis, headaches, irritability, or depression. The most common
15 food allergies are to milk, eggs, seafood, wheat, nuts, seeds, chocolate,
oranges, and tomatoes. Many of these allergies will not develop if
these foods are not fed to an infant until her or his intestines
mature at around seven months. Breast milk also tends to be protective.
Migraines can be set off by foods containing tyramine, phenathylamine,
20 monosodium glutamate, or sodium nitrate. Common foods which contain
these are chocolate, aged cheeses, sour cream, red wine, pickled
herring, chicken livers, avocados, ripe bananas, cured meats, many
Oriental and prepared foods (read the labels!). Some people have
been successful in treating their migraines with supplements of B-vitamins,
25 particularly B6 and niacin. Children who are hyperactive may benefit
from eliminating food additives, especially colorings, and foods
high in salicylates from their diets. A few of these are almonds,
green peppers, peaches, tea, grapes. This is the diet made popular
by Benjamin Feingold, who has written the book Why your Child is
30 Hyperactive. Other researchers have had mixed results when testing
whether the diet is effective.1. The topic of this passage is
2. According to the passage, the difficulty in diagnosing allergies to foods is due to
3. The word "symptoms" in line 12 is closest in meaning to
4. The phrase "set off" in lines 19 is closest in meaning to
5. What can be inferred about babies from this passage?
6. The word "hyperactive" in line 25 is closest in meaning to
7. The author states that the reason that infants need to avoid certain foods related to allergies has to do with the infant's
8. The word "these" in line 27 refers to
9. Which of the following was a suggested treatment for migraines in the passage?
10. According to the article the Feingold diet is NOT
Back Test with: Reading-Comprehension-Lesson 152 and Reading-Comprehension-Lesson 151
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