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  3. Eat for a Good and Healthful Life Food keeps u

Eat for a Good and Healthful Life Food keeps u

游客2024-03-05  16
问题                               Eat for a Good and Healthful Life
    Food keeps us alive. It is our sustenance(粮食，供养)and our pleasure. But recently, research has shown that eating habits of the average Americans may be dangerous to future health.
    The foods Americans now choose are often too rich in calories and fats—especially saturated(饱和的)—so this article reports a new study: Diet and Health, Implications for Reducing Chronic Disease.
    The study, conducted by the National Research Council’s Committee on Diet and Health, concludes that balancing nutrition, calories, and activity are key to enjoying a long and healthful life.
    The report recommends that most Americans increase physical activity to a moderate level and take changes in food choices and calories intake to maintain ideal weight.
    Most of us—even those of us at ideal weight—need to eat less fat so that no more than 30% of our dally calories will come from fat.
    That means cutting down on red meats and whole milk dairy products. Instead, eat fish, poultry without skin, lean meats, and low-fat and no-fat dairy products.
More "Plant Foods"
    It also means eating more servings of fruits and vegetables, legumes(the bean family), and whole grain cereals.
    The report of the Committee on Diet and Health recommends we eat five or more 1/2-cup servings of vegetables and fruits daily—especially green and yellow vegetables and citrus fruits.
    The Committee found that diets high in fruits, vegetables, legumes, and whole grain cereals are associated with lower occurrence of coronary heart disease, diabetes, obesity, some kinds of cancer, and hypertension.
Getting More for Your Calories
    Eating more fruits and vegetables doesn’t have to mean increased calories intake. Many plant foods are "nutrient-dense": They provide many vitamins and minerals of very few calories.
    Nutrient-dense foods are particularly important for Americans over age 50. As we age, we need to eat less because our bodies need fewer calories to function properly. But we still need full measures of vitamins and minerals to release the energy in our foods and make us feel vigorous and healthy.
Targeted Nutrients
    The Committee on Diet and Health advises the general public to obtain these vitamins and minerals naturally, by eating a variety of foods. The report recommends against taking vitamins and minerals supplements without medical supervision.
    Following, there are eight nutrients listed that many Americans don’t get in ample amounts from foods they eat. As we age, we eat less. So it’s even harder to get these nutrients. That’s why they are especially important for people over age 50.
    CALCIUM—Needed for healthy bones and muscles and a smooth operating nervous system. Cheese, milk, yogurt, and dried legumes are sources of calcium.
    ZINC—A nutrient impotent to many cell functions, including the immune system. Zinc is present in meats, fish, legumes, whole grains, sweet potatoes, and milk.
    IRON—Helps bring oxygen into the body. It’s present in lean meats, fish, poultry, legumes, and dried fruits.
    FOLACIN—Helps produce new cells to keep the digestive tract healthy and aids in building red blood cells. Green leafy vegetables, such as spinach, broccoli, and brussels sprouts, are sources of folacin(叶酸), as are citrus fruits.
    VITAMIN B6—Helps the body use protein more efficiently. Found in bananas, meats, potatoes, and legumes.
    VITAMIN B1 and B2—Help release energy from food. Both are present in grain products such as bread and pasta. Pork is a source of thiamin(硫胺) and milk is a source of riboflavin(核黄素).
    FIBER—Aida regularity and helps the body regulate nutrient absorption. Fruits and vegetables, especially beans, are sources of fiber. Nuts and bran are sources as well.
Canned Foods: Convenience and Nutrition
    Meeting your family’s nutritional needs may seem difficult considering today’s busy lifestyles. But it doesn’t have to be. Even a new emphasis on more servings of fruits and vegetables doesn’t necessarily mean more preparation time if you take advantage of the convenience of canned foods.
    When you open a can of fruit or vegetables at home you have at hand fresh-packed wholesome produce, with no artificial ingredients, no preservatives. And all the work’s been done by you: The slicing, the peeling, even the cooking. Canned fruits and vegetables leave you the time to be creative. And with the variety of fruits and vegetables available these days, you can serve different combinations, create new dishes, and add new flavors and textures to old recipes. Canned foods are nutritious as well. A United States Department of Agriculture and National Food Processors Association co-sponsored study shows canned vegetables to be just as nutritious as fresh or frozen. Because canned vegetables are processed within hours of being picked, they generally retain 70 to 90 percent of their nutrients.
    Fruit and vegetable canning is as simple as when your grandmother "put up" tomatoes and other things from the garden. Fresh produce is taken from the field at just the right time, delivered directly to the cannery, inspected, washed, sealed, and sterilized. All this generally happens in less than 24 hours to ensure the best quality and nutritional value without the need for any preservatives.
    Use the liquids that vegetables are canned in as a substitute for water in recipes to get that last drop of good nutrition.
    See for Yourself Most major brands of canned fruits and vegetables include nutritional content and ingredient statements on their labels. This is especially important to those on calorie-conscious or restricted diets.
    To sum up, for a good life and for a healthful life, we hope that you change your old eating habits to reduce the risk of illnesses, including chronic diseases, and thus stay well and live longer.
选项 A、Y
B、N
C、NG
答案 A
解析 第四段指出"The report recommends that most Americans increase physical activity to a moderate level and take changes in food choices and calories intake to maintain ideal weight "．文章建议美国人增加身体锻炼，注意食物的选择及能量的摄取来保持适当的体重，由此可知题干完全符合原文内容。
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