For more than six million American
children, coming home after school means coming home to an empty house. They
spend part of each day alone. They are called "latchkey children".
They’re children who look after themselves while their parents work. And
their bad conditions have become a social problem. Lyne Brown was once the headmaster of an elementary school. She said, "A lot of kids had chains around their necks with keys attached.! was constantly telling them to put them inside shirts. There were so many keys, it never came to my mind what they meant. ",slowly, she learned they were house keys. Lyne learned of the impact working couples and single parents were having on their children. She found that Fear is the biggest problem faced by children at home alone. Many had nightmares and were worried about their own safe A. are growing in numbers B. are also found in middle-class neighborhoods C. watch too much television during the day D. suffer problems from being left alone [单项选择] More than 200 organizations are preparing to bring their teams of robots to RoboCup 2003 next month in Padua, Italy, an event where researchers test out the latest artificial intelligence techniques in games of football or rescue simulations.
Event organizers said last week that 183 teams from around the world, mostly from universities, have registered for rescue simulation competitions and various leagues of foot ball, while another 80 groups are to show off robots aimed at children. The event is expecting more than 50,000 visitors. While RoboCup has its lighter side, it is one of the most prominent events in the world for both artificial-intelligence researchers and for companies such as Honda and Sony wishing to show off their latest robotics technology.
In recent years, advances in robotics and computer technology have led to renewed interest in robots. Several companies have produced humanoid robots capable of walking on two legs, even up stairs or across uneven surface
A. take the place of humans at meetings B. eliminate the need for business travel C. win against the human world soccer champion team D. become man’’s best friend 我来回答: 提交
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