問題詳情

III. Discourse Structure: Choose the best answer for each blank. (20%)Passage AVegetarians do not eat meat, fish, or poultry. Veganism is a type of vegetarian diet that excludes meat,eggs, dairy products and all other animal-derived ingredients. Many vegans also do not eat foods that areprocessed using animal products, such as refined white sugar and some wines.21 For example, some vegans feel that one promotes the meat industry by consuming eggs anddairy products. That is, once dairy cows or egg-laying chickens are too old to be productive, they are oftensold as meat; and since male calves do not produce milk, they usually are raised for veal or other products.22 Many vegans choose this lifestyle to promote a more humane and caring world. They know they arenot perfect, but believe they have a responsibility to try to do their best, while not being judgmental ofThe key to a nutritionally sound vegan diet is variety. A healthy and varied vegan diet includes fruits,vegetables, plenty of leafy greens, whole grain products, nuts, seeds, and legumes. 23 Thus eating avegan diet makes it easy to conform to recommendations given to reduce the risk of major chronic diseasessuch as heart disease and cancer. High-fat foods, which should be used sparingly, include oils, margarine,nuts, nut butters, seed butters, avocado, and coconut. Vitamin D is not found in the vegan diet but can bemade by humans following exposure to sunlight. 24 Food sources of vitamin D include vitaminD-fortified soy milk and rice milk. Calcium, needed for strong bones, is found in dark green vegetables, tofumade with calcium sulfate, calcium-fortified soy milk and orange juice, and many other foods commonlyeaten by vegans. Although lower animal protein intake may reduce calcium losses, there is currently notenough evidence to suggest that vegans have lower calcium needs. 25People are learning more about where their food comes from, the cost of food choices on theenvironment, and are making better choices. While the health benefits of a plant-based diet are becomingmore and more popular, diet choices come and go for many people.(AB) From fast food to five-star restaurants, vegetarian options are becoming more commonplace.(AC) Vegan diets are free of cholesterol and are generally low in saturated fat.(AD) Therefore, vegans should eat foods that are high in calcium and/or use a calcium supplement.(AE) People choose to be vegan for health, environmental, and/or ethical reasons.(BC) Some people avoid these items because of conditions associated with their production.(BD) At least ten to fifteen minutes of summer sun on hands and face two to three times a week isrecommended.
21.

參考答案

答案：A,E
難度：非常困難0
統計：A(1),B(6),C(5),D(0),E(0)

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