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  3. America is changing its eating habits. As medical evidence mounts that we are indeed what we eat, consuming a healthier diet has

America is changing its eating habits. As medical evidence mounts that we are indeed what we eat, consuming a healthier diet has

admin2014-07-25  33
问题     America is changing its eating habits. As medical evidence mounts that we are indeed what we eat, consuming a healthier diet has become almost a national passion in the United States. The food-for-fitness phenomenon began in the late ’70s when a U.S. Senate Committee on nutrition reached grim conclusion that six out of the ten leading causes of death — such as heart disease, cancer, and stroke — might be linked to diet. The government issued dietary guidelines advising Americans to eat a variety of foods, maintain proper weight, and limit intake of fat, salt, sugar, and alcohol.
    For most Americans, what to eat is a matter of personal choice, rather than one of supply. An excellent nationwide food distribution system assures that fresh produce is readily available in all parts of the country, regardless of the season. Taking advantage of this abundance(充足), many people are forsaking traditional meat-and-potatoes fare(饮食)in favor of lighter meals of salads, fruits, and vegetables.
    The single most dramatic change in the American diet has been a reduction in consumption of animal fat, which is thought to increase the risk of heart disease and may contribute to the high U.S. incidence of breast and colon cancer. Margarine(a fatty solid butter substitute)and vegetable oils have replaced butter and lard(i.e. white fat from pigs that is used in cooking)in many homes, and half of all milk now drunk in the United States is low-fat. Fish and poultry(i.e. birds such as chickens and ducks kept on farms in order to produce meat)are increasingly popular sources of protein as consumption of red meat declines. The food industry has responded to concern about fat by producing leaner cuts of meat and cholesterol-free(不含胆固醇的)substitutes for eggs.
    One of the most significant trends in the American way of eating is the healthful change in restaurant food. "One of every two meals in the United States is eaten outside the home," says Donna Watson, President of the American Dietetic Association. "Restaurants are making special efforts to provide low-fat, low-salt, and low-calorie items." Salad bars, loaded with fresh greens and raw fruits and vegetables, are found everywhere, even alongside the burgers and French fries in fast-food restaurants.
    Most important, the focus on prudent diet has led to an unprecedented national quest for a healthier life style. Americans are smoking less, exercising more, and experimenting with new ways to conquer stress. Eating sensibly, they have discovered, is only one important route to good health.
What is suggested in the guidelines by the U.S. government?
选项 A、The whole nation should be on diet for health.
B、Foods rich in fat should be limited in people’s diet.
C、Eating is obviously a matter of life and death.
D、Having a variety of food helps people lose weight.
答案B
解析 首段末句提到，政府发布饮食指导，建议美国人吃各种各样的食物，保持适当的体重，限制脂肪、盐、糖以及酒精的摄入量。由此可以推断，政府发布的饮食指导建议人们在饮食中限制富含脂肪的食物，故答案为B)。政府饮食指导并未提及全国上下为了健康应该节食，故排除A)。C)是针对grim conclusion后面的同位语从句设的干扰项，故排除。政府的饮食指导建议人们吃各种各样的食物，并未提到这样做能够帮助人们减肥，故排除D)。
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