题目内容
The Browns are the Smiths’ neighbours (邻居). Mr. Brown’s name is John. But when his neighbours talk about him , they all call him"Mr. Going-to-do". Do you know why Mr. Brown always says he is going to do something, but he never (从来没有) does it. Every Saturday Mr. Brown goes to the Smiths’ back door and talks to Mr. Smith. He always says he is going to do something. ’Tm going to clean my house today,"he says, or "I’m going to wash my car tomorrow , "Or "These trees in front of my house are too big. I’m going to cut(割，砍，切) them down next week." Mr. Smith usually says"Are you serious, John" He knows his neighbour is not going to clean his house, or wash his car, or cut down any trees. Then he says, "Well, excuse me, John. I’m going to do some work in the house." And he does. Mr. and Mrs. Smith often say to their only child Dick, "Are you going to do something Then do it! Don’t be another’ Mr. Going-to-do’!\ "Mr. Going-to-do" ______.
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TEXT D Unlike any other scientific topics, consciousness—the first-person awareness of the world around—is truly in the eye of beholder. I know I am conscious. But how do I know that you are Through logical analogy—I am a conscious human being, and therefore you as a human being are also likely to be conscious—I conclude I am probably not the only conscious being in a world of biological puppets. Extend it to other creatures, and uncertainty grows. Is a dog conscious An elm A rock "We don’t have the mythical consciousness meter," said Dr. Chalmers, a professor of philosophy and director of the Center for Consciousness Studies at the University of Arizona. "All we have directly to go on is behavior." So without even an elementary understanding of what consciousness is, the idea of instilling it into a machine—or understanding how a machine might evolve consciousness—becomes almost unfathomable. The field of artificial intelligence started out with dreams of making thinking or conscious machines, but to debate, its achievements have been modest. The field has evolved to focus more on solving practical problems like complex scheduling tasks than on imitating human behavior. But many believe that the original goals of artificial intelligence will be attainable within a few decades. Some people, like Dr. Hans Moravec, a professor of robotics at Carnegie Mellon University in Pittsburgh, believe a human being is nothing more than a fancy machine, and that it will be possible to build a machine with the same features, that there is nothing magical about the brain and biological flesh. "I’m confident we can build robot with behavior that is just as rich as human being behavior," he said. "You could quiz it as much as you like about its internal mental life, and it would answer as any human being." To Dr. Moravec, if it acts consciously, it is conscious. To ask more is pointless. Dr. Chalmers, regards consciousness as an unutterable trait, and it may be useless to try to pin it down. "We’ve got to admit something here is irreducible," he said. "Some primitive precursor consciousness could go all the way down" to the smallest, most primitive organisms, he said. Dr. Chalmers too sees nothing fundamentally different between a creature of flesh and blood and one of metal, plastics and electronic circuits. "I’m quite open to the idea that machines might eventually become conscious," he said, adding that it would be "equally weird". And if a person gets into involved conversations with a robot about everything from Kant to baseball, "We’ll be as practically certain they are conscious as other people," he said. "Of course, that doesn’t resolve the theoretical question". But others say machines, regardless of how complex, will never match people. The arguments can become mysterious. In his book Shadows of the Mind, Dr. Roger Penrose, a mathematician at Oxford University, enlisted the incompleteness theorem in mathematics. He uses the theorem, which states that any system of theorems will invariably include statements that cannot be proven, to argue that any machine that uses computation—and hence all robots—will invariably fall short of the accomplishments of human mathematicians. Instead, he argues that consciousness is an effect of quantum mechanics in tiny structures in the brain that exceeds the abilities of any computer. The case of Dr. Roger Penrose intends to ______.
美国的房地产经纪行业起步较早，发展较快，规模庞大，作用显著。目前，美国房地产经纪业几乎已渗透到房地产交易市场的每个角落，85%左右的房产买卖都是通过经纪机构来实现的。行业运作规范社会地位较高，受到广大购房或售房者的信任和欢迎。他们在业务操作和组织管理中有着一整套成功的经验，值得我们借鉴或参考。他们的现状特点有： 在美国房地经纪行业的竞争非常激烈，各州房地产的法律又各不相同，影响了跨地区的发展。目前，他们所采取的办法是( )，而且已经比较普遍。
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