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  3. Every second in the United States alone, more than 250 animals are slaughtered for food, adding up to more than 8 billion animal

Every second in the United States alone, more than 250 animals are slaughtered for food, adding up to more than 8 billion animal

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问题     Every second in the United States alone, more than 250 animals are slaughtered for food, adding up to more than 8 billion animals each year. Reducing the amount of meat in one’s diet is nutritionally, environmentally, and ethically beneficial.
    People who eat meat usually have weaker immune systems compared to those of vegetarians. Meat has been directly linked to diabetes, obesity, arthritis, and many other illnesses. Furthermore, meat-eaters are at a higher risk for diseases, including cancer, and they are more likely to die from these diseases. Critics say that a meatless diet does not provide enough nutrients, especially protein and iron. Actually, according to A Teen’s Guide to Going Vegetarian, by Judy Krizmanic, protein is found in almost every food, and iron appears in many vegetables. Getting enough nutrients in a meat-reduced diet should not be difficult. A 1988 study found that some of the highest pesticide residues appear in meat and eggs. Diets including more fruits and vegetables will only make people healthier.
    Some skeptics believe that there will be a shortage of food if animals are not eaten. In fact, the opposite is true. More than 80% of the corn and 95% of the oats grown in the US are fed to livestock. The world’s cattle alone consume enough food to equal the caloric needs of 8.7 billion people, more than the entire human population. One half of the water used in the Unites States also goes to livestock; 2.50 gallons of water produces only 1 pound of beef. If people eat less meat and more plants, the amount of available food will increase.
    Many people become vegetarians because they feel that eating animals is unethical. 90% of these animals are raised in confinement. Chickens and other birds have only about half. a square foot of space each, and since they are raised so close together, a hot blade is used to cut off their beaks to prevent them from pecking each other to death. Likewise, pigs that are repressed will bite each other’s tails, so both their teeth and tails are removed as soon as they are born.
    Eating animals is hazardous in numerous ways. Even a slight reduction in meat intake is better than nothing at all. Consuming less meat is beneficial to the health of animals, the health of people, and to the health of the world.
Which of the following would be the best title for the text?
选项 A、The Advantages of Eating Less Meat
B、Why People Become Vegetarian
C、Environment and Meatless Diet
D、Saving Cattle and Chickens
答案A
解析 主旨大意题。这类题目的解题关键在于寻找主题句，一般出现在文章的第一段和最后一段。遇到这种题型时，首先要认真阅读文章第一段的起始句和最后一句，再到最后一段的第一句或最后一句去找出与之相呼应的句子，以此就能轻易地找出全文的主题句或中心大意，然后再确定文章的题目。本文章中，第一段最后一句是主题句，最后一段最后一句照应主题句，两句都讲到了少吃肉类的好处，因此[A]为答案。
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