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Passage One Animals are more like us than we ever imagined. They feel pain, they experience stress, and they show affection, excitement and love. All these findings have been made by scientists in recent years—and such results are beginning to change how we view animals.Strangely enough, this research was sponsored by fast food companies like McDonald’s and KFC. Pressured by animal rights groups, these companies felt they had to fund scientists researching the emotional and mental states of animals.McDonald’s, for instance, funded studies on pig behaviors at Purdue University, Indiana. This research found that pigs seek affection and easily become depressed if left alone or prevented from playing with each other. If they become depressed, they soon become physically ill. Because of this, and other similar studies, the European Union has banned the use of isolating pig stalls from 2012. In Germany, the government is encouraging pig farmers to give each pig 20 seconds of human contact a day, and to provide them with toys to prevent them from fighting.Other scientists have shown that animals think and behave like humans.Koko, the 300-pound gorilla (大猩猩) at the Gorilla Foundation in Northern California, for instance, has been taught sign language. Koko can now understand several thousand English words, more than many humans who speak English as a second language. On human IQ tests, she scores between 70 and 95.Before such experiments, humans thought language skills were absent from the animal kingdom. Other myths are also being overturned, like the belief that animals lack self-awareness. Studies have also shown that animals mourn their dead, and that they play for pleasure.These striking similarities between animal and human behavior have led some to ask a question: "If you believe in evolution, how can’t you believe that animals have feelings that human beings have"Until recently, scientists believed that animals behaved by instinct and that what appeared to be learned behavior was merely genetically-programmed activity. But as Koko the Gorilla shows, this is not the case. In fact, learning is passed from parents to offspring far more often than not in the animal kingdom.So what implications does this knowledge have for humans Because of this, should we ban hunting and animal testing Should we close zoos Such questions are being raised by many academics and politicians. Harvard and 25 other American law schools have introduced courses on animal rights. The purpose of this passage is to tell us that（）
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Passage Five Faith in medicine runs deep in America. We spend more per person on health care than any other nation. Whether we eat too much or exercise too little, whether we’re turning gray or feeling blue, we look to some pill or procedure to make us better.We assume that devoting ever more dollars to medicine will bring us longer, healthier lives. But there is mounting evidence that each new dollar we devote to the current health care system brings small and diminishing returns to public health. Today the United States spends more than $4,500 per person per year on health care. Costa Rica spends less than $300. Yet life expectancy at birth is nearly identical in both countries.Despite the highly publicized "longevity revolution," life expectancy among the elderly in the United States is hardly improving. Yes, we are an aging society, but primarily because of falling birthrates. Younger Americans, meanwhile, are far more likely to be disabled than they were 20 years ago. Most affected are people in their thirties, whose disability rates increased by nearly 130 percent, due primarily to overweight.Why has our huge investment in health care left us so unhealthy Partly it is because so many promised "miracle cures," from interferon to gene therapies, have proven to be ineffective or even dangerous. Partly it’s because health care dollars are so concentrated on the terminally ill and the very old that even when medical interventions "work," the gains to average life expectancy are small And partly it is because of medical errors and adverse reaction to prescription drugs, which cause more deaths than motor vehicle accidents, breast cancer or AIDS. Each year roughly 200,000 seniors suffer fatal or life-threatening "adverse drug events" due to improper drug use or drug interaction.Why don’t Americans live any longer than Costa Ricans Overwhelmingly, it’s because of differences ill behavior. Americans exercise less, eat more, drive more, smoke more, and lead more socially isolated lives. Even at its best, modern medicine can do little to promote productive aging, because by the time most people come in contact with it their bodies are already compromised by stress, indulgent habits, environmental dangers and injuries. The passage is mainly focused on（）
Passage One Animals are more like us than we ever imagined. They feel pain, they experience stress, and they show affection, excitement and love. All these findings have been made by scientists in recent years—and such results are beginning to change how we view animals.Strangely enough, this research was sponsored by fast food companies like McDonald’s and KFC. Pressured by animal rights groups, these companies felt they had to fund scientists researching the emotional and mental states of animals.McDonald’s, for instance, funded studies on pig behaviors at Purdue University, Indiana. This research found that pigs seek affection and easily become depressed if left alone or prevented from playing with each other. If they become depressed, they soon become physically ill. Because of this, and other similar studies, the European Union has banned the use of isolating pig stalls from 2012. In Germany, the government is encouraging pig farmers to give each pig 20 seconds of human contact a day, and to provide them with toys to prevent them from fighting.Other scientists have shown that animals think and behave like humans.Koko, the 300-pound gorilla (大猩猩) at the Gorilla Foundation in Northern California, for instance, has been taught sign language. Koko can now understand several thousand English words, more than many humans who speak English as a second language. On human IQ tests, she scores between 70 and 95.Before such experiments, humans thought language skills were absent from the animal kingdom. Other myths are also being overturned, like the belief that animals lack self-awareness. Studies have also shown that animals mourn their dead, and that they play for pleasure.These striking similarities between animal and human behavior have led some to ask a question: "If you believe in evolution, how can’t you believe that animals have feelings that human beings have"Until recently, scientists believed that animals behaved by instinct and that what appeared to be learned behavior was merely genetically-programmed activity. But as Koko the Gorilla shows, this is not the case. In fact, learning is passed from parents to offspring far more often than not in the animal kingdom.So what implications does this knowledge have for humans Because of this, should we ban hunting and animal testing Should we close zoos Such questions are being raised by many academics and politicians. Harvard and 25 other American law schools have introduced courses on animal rights. The studies urge us to（）
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