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Read the passage carefully, then choose the correct option to answer the questions



I. Read the passage carefully, then choose the correct option to answer the questions. 

            The food we eat seems to have profound effects on our health. Although science have made enormous steps in making food more fit to eat, it has, at the same time, made any foods unfit to eat. Some research has shown that perhaps 80 percent of all human illness are related to diet and 40 percent of cancer is related to diet as well, especially cancer of colon. People of different cultures are more prone to contact certain illnesses because of the characteristics food they consume.

            That food is related to illness is not a new discovery. In 1945, government researchers showed that nitrates and nitrites (commonly used to preserve color in meats) as well as other food additives caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which ingredients on the packaging labels of processed food are helpful or harmful.

            The additives we eat are not all so direct. Farmers often give penicillin to cattle and poultry, and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drugs are administered to animals not for medical purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue.

            A healthy diet is directly related to good health. Often we are unaware of detrimental substances we ingest. Sometimes, well – meaning farmers or others who do not realize the consequences add these substances to food without our knowledge.

1. How has science done a disservice to people?

            A. Because of science, disease caused by contaminated food has been virtually eradicated.

            B. It has caused a lack of information concerning the value of food.

C. As a result of scientific intervention, some potentially harmful substances have been added to our food.

            D. The scientists have preserved the color of meats, but not of vegetables.

2. The word "prone" is nearest in meaning to ______.

            A. supine                     B. unlikely                  C. healthy                   D. predisposed

3. What are nitrates used for?

            A. They preserve flavor in packaged foods.              B. They preserve the color of meats.

            C. They are the objects of research.                           D. They caused to animals to become fatter.

4. The word "these" refers to_______.

            A. meats                      B. colors                     C. researchers            D. nitrates and nitrites

5. All of the following statements are true EXCEPT_______.

            A. drugs are always given to animals for medical reasons.

            B. some of the additives in our food are added to the food itself and some are given to the living animals.

            C. researchers have known about the potential hazards of food additives for more than 60 years.

            D. food may cause 40 percent of cancer in the world

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