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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  41
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 do people do to cut the consumption of animal fat?
选项 A、They use vegetable oils instead of lard.
B、They give up the use of butter in food preparation.
C、The food industry produces low-fat milk only.
D、They abandon the diet that contains meat.
答案A
解析 第3段首句提到，美国饮食-中的一个巨大变化就是减少动物油脂的摄取。下一句提到，在很多家庭，人造黄油和植物油已经替代黄油和猪油。猪油很显然是动物油，由此可知，人们是通过用植物油代替猪油来减少对动物脂肪的摄取，故答案为A)。该段第2句提到用人造黄油代替黄油，但并未说不用黄油，故排除B)。该段第2句还提到，现在美国喝的所有牛奶中有一半是低脂的。由此可知，企业并不是只生产低脂牛奶，C)与之矛盾，故排除。该段第3句提到，随着红色肉类消费的下降，鱼和禽类逐渐成为蛋白质的普遍来源。由此可知，人们并没有放弃含有肉的饮食，故排除D)。
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