题目内容
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A.improves
B.causes
C.increases
D.strengthens
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In Latin America, as in other places, the dread protein deficiency disease kwashiorkor is taking its heavy toll on children's lives. Strategic vitamins and minerals may be lacking due to traditional diets which are nutritionally imbalanced. Here people continue their eating pattern year after year without knowledge of what their dietary habits are doing to themselves and to future generation. With a basic knowledge of nutritional needs and deficiencies, efforts would be directed to finding food substitutes which could meet these needs. Mixtures of vegetable proteins, like soybeans and peanuts, could provide an abundance of cheap, useful protein where meats, eggs, and milk are not within economic reach of large groups in the population. Efforts could also be expanded on increasing the agricultural productivity in specific regions; where large areas are given over to relatively inefficient use as grazing land, the intensive production of vegetable protein crops could bring remedial nutrition to an undernourished population.
Cheap protein substitutes from milk, eggs and meat ______.
A．may be obtained from vitamin and minerals
B．are being sought by scientists
C．can be gotten from soybeans
D．can be found in iodized salt
In Latin America, as in other places, the dread protein deficiency disease kwashiorkor is taking its heavy toll of children's lives. Strategic vitamins and minerals may be lacking due to traditional diets which are nutritionally imbalanced. Here people continue their eating pattern year after year without knowledge of that their dietary habits are doing to themselves and to future generations.
With a basic knowledge of nutritional needs and deficiencies, efforts could be directed to finding food substitutes which could meet these needs. Mixtures of vegetable proteins, like soybeans and peanuts, could provide an abundance of cheap, useful protein where meat, eggs, and milk are not within economic reach of large groups in the population. Efforts could also be expended on increasing the agricultural productivity in specific regions; where large areas are given over to relatively inefficient use as grazing land, the intensive production of vegetable protein crops could bring remedial nutrition to an undernourished population. Elsewhere, enrichment with specific vitamins and minerals of traditional staple foods that are deficient in essential nutritive factors could wipe out disabling deficiency diseases, like beriberi or pellagra, almost overnight. Similarly, addition of minute amounts of inexpensive iodine to salt could benefit large areas where endemic goiter has been accepted as an integral part of life for generations.
Cheap protein substitutes for milk, eggs, and meat ______.
A．may be obtained from vitamins and minerals
B．are being sought by scientists
C．can be gotten from soybeans
D．can be found in iodized salt
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： 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.
(27)
A．Because they need more protein than vegetables can supply.
B．Because they cannot digest vegetables.
C．Because they use more energy than adults.
D．Because they cannot easily digest milk and milk products.
The food we eat seems to have profound effects on our health. 【C1】______ science has made enormous steps 【C2】______ making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human【C3】______ are related to diet and forty percent of cancer is related to the diet as well,【C4】______ cancer of the colon (结肠癌). Different cultures are more prone to 【C5】______ certain illnesses because of the food that is 【C6】______ in these cultures. That food is related to illness is 【C7】______ a new discovery. In 1945, government researchers realized that nitrates and nitrites (硝酸盐和亚硝酸盐) , commonly used to preserve color in meats, and other food additives(添加剂 ) , 【C8】 ______ cancer. Yet, these carcinogenic (致癌的)additives 【C9】______ in our food, and it becomes more 【C10】______ all the time to know which things on the packaging labels of processed food are helpful or【C11】______ . The additives which we eat are not all so 【C12】______ Farmers often give penicillin (青霉素)to beef and poultry, and 【C13】______ of this, penicillin has been found in the milk of 【C14】 ______ cows. Sometimes similar drugs are 【C15】 ______ to animals not for medicinal purposes, but for 【C16】______reasons. The farmers are simply trying to 【C17】______ the animals in order to obtain a 【C18】______ price on the market. Although the Food and Drug Administration (FDA) has tried 【C19】______ to control these procedures, the practices 【C20】______ .
【C1】
A．Once
B．Because
C．When
D．Although
Exercise Six Part 3 这种速溶奶粉以新鲜牛奶制成。它含有人体所需的蛋白质及多种维生素。 本品速溶性好，具有良好的口感和香味。常饮本品，能增强体质，促进健康。 本品是适合各种年龄的理想饮品。 This instant milk powder is made from fresh cow’s milk. It contains protein and various kinds of vitamins. This milk powder easily dissolves in water and has a good taste and smell. Taking it frequently will make you strong and healthy. It is an ideal drinks for all ages. Part 4 1This chart shows...题目 2 ...题目Grain in Chinese People’s Diet... fell a lot from 1997 to 2001. 3 ...题目______in Chinese People’s Diet... went up a lot from 1997 to 2001. 4 ...题目______in Chinese People’s Diet... went up a lot from 1997 to 2001. 5 ...题目______in Chinese People’s Diet... went up a lot from 1997 to 2001. 6 Generally speaking, ...题目_____,___,______in Chinese People’s Diet... went up a lot in these 4 years. But ..题目______in Chinese People’s Diet...fell a lot in these 4 years 7 From the chart, we can see that grain was the main food of the Chinese people in 1997, but it isn’t in 2001. In 2001, Chinese people ate more milk, meat, fruit and vegetables, but less grain. 8 There are many reasons for the changes. First, the living standard of the people in China has been greatly raised. People have more money to buy milk, meat, fruit and vegetables. Second, they pay more attention on health. As a result, big changes have been found in people’s diet in China.
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly. This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep!
A good title for this passage is ______.
A．Sleep
B．Good Health
C．Play and Study
D．Work and Rest
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly. This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep!
A good title for this passage is ______.
A．Sleep
B．Good Health
C．Play and Study
D．Work and Rest
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to another. Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move quickly (although your eye-lids are closed). This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep.
A good title for this passage is______.
A．Sleep
B．Good Health
C．Dreams
D．Work and Rest
Vitamin A is most important for good eyesight. But it is also important for general good health. Liver contains a large amount of vitamin A, but vitamin A is also found in fish, meat, milk, butter, and in some fruits and vegetables.
Vitamin B in fact consists of twelve different chemicals, which are found in eggs, cheese, butter, meal flour and vegetables. If a person does not have enough vitamin B in his diet, it may affect his whole body, particularly the skin, the nervous system and the heart. Deficiency in vitamin B results in a disease called beri-beri, a sort of disease in feet.
Vitamin C prevents scurvy and helps to heal wounds. Some doctors. believe that large quantities of vitamin C help people avoid colds. Fruits and uncooked vegetables are rich in vitamin C. a lack of vitamin C can cause a disease called scurvy.
Vitamin D is essential for the growth of bones and teeth and is found in fish, liver, oil and milk.
Vitamins can be produced and are sold, but a well balanced diet will provide the necessary amount of vitamins.
(30)
A．Vitamin A.
B．Vitamin B.
C．Vitamin C.
D．Vitamin D.
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