| {{B}} Scientists
Worry Machines May Outsmart Man{{/B}} A robot that can open doors and find electrical outlets to recharge itself. Computer viruses that no one can stop. "Predator" fighters, which, though still controlled remotely by humans, come close to a machine that can kill autonomously. Impressed and alarmed by advances in artificial intelligence, a group of computer scientists is debating whether there should be limits on research that might lead to loss of human control over computer-based systems that carry a growing share of society’s workload, from waging war to chatting with customers on the phone. Their concern is that further advances could create profound social disruptions and even have dangerous consequences. As examples, the scientists pointed to a number of technologies as diverse as experimental m A. robots for civil use B. military computers C. artificial intelligence D. biochemical weapons [填空题]
A．carry [单项选择]It happens to us all, however hard we may try to delay the process—we grow old. Surgery may remove wrinkles (皱纹), skin which has become less firm may be tightened by a surgical operation on the face, and hair-dressers may dye grey hair a more youthful color, but we cannot remain young forever.
Advances in medicine have made it possible for more people to stay alive longer. However, what is important is the quality of life, and people age differently. Some people remain quite well and able to look after themselves when they get old, but others of the same age are not so lucky. They have to go into a nursing home in order to receive adequate care. The worst aspect of ageing is that often the mind becomes less alert. As people grow older, they often experience loss of short-term memory, although they may well be able to recall quite easily events that happened long ago. Later they may suffer from dementia (痴呆), a disease which gets gradually worse. By no means all elderly p A. nursing homes B. residences close to hospitals C. community centers D. homes of their children [单项选择]If you work hard, you’ll get good ______.
A. grades B. lessons C. notes 我来回答: 提交
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