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  3. Robots have been the stuff of popular culture for so long that We think of them mostly as a fun. In the next decade they will fi

Robots have been the stuff of popular culture for so long that We think of them mostly as a fun. In the next decade they will fi

admin2010-04-28  77
问题    Robots have been the stuff of popular culture for so long that We think of them mostly as a fun. In the next decade they will finally become practical beyond factory assembly lines. Granted, they won’t perform the wonderous stunts they do in movies; the first generation of "real" robots may seem a bit crude. But by the end of the decade, we may well encounter tiny robots cooking hamburgers in fast - food restaurants, mopping up shopping malls, even delivering meal trays in hospitals.
   Two factors are pushing the development of robotics: technology and economics. Artificial intelligence is the key to a successful robot, but some of the simplest tasks for a human mind are difficult for a robot. One example: the ability to look at the comer of a room, where walls and ceiling meet, and know that the corner goes in, not out. Easy for humans, very tough for real -world R2D25. But new neural-network computers, which more closely resemble the human brain ,look particularly promising for teaching robots how to adapt to: their surroundings.
   Economics is the key to the acceptance of robots. As declining birthrates lead to a shortage of entry- level workers in much of the industrialized world, researchers are designing robots that can manage at least portions of such jobs as burger flippers or hospital orderlies.
   Fast -food robots will probably cook and package food; humans will still greet the public at the counter and make incorrect change.
   By the late 90’s,improved robots will be inexpensive enough to serve as aides for the disabled, giving even quadriplegics the ability to feed themselves and perform office work. Not all robots will be so benign. Another model in production is a security guard designed to wander deserted warehouses and signal a human guard when it encounters intruders. At least one American firm has designed an armed security robot capable of firing a weapon.
   And the long-promised home robot? This little electronic servant, capable of delivering a frosty beer from the fridge, picking up the kids’ toys and washing the occasional window, probably won’t be a mass - market item in the 90’s--unless we modify our homes to accommodate them. Every room would need to have tiny radio beacons to tell the robot where it is, and staircases would need special construction for easy robot access. Sound unlikely? Perhaps. But in 1890 a person might have thought it unlikely if he had been told that the entire urban landscape of the planet would be modified to accommodate the automobile.
Which of the following is difficult for robots to do at present?
选项 A、To assemble machines.
B、To do some kinds of cleaning.
C、To work as service men.
D、To tell that the corner where walls and ceilings meet goes in, not out.
答案D
解析 在本文的第一段中就提到机器人将不再仪仅限于工厂的流水线作业而变得更加实用，说明机器人早就已经在工厂里大显身手替代许多人工劳动这一点也是人所共知的，而在快餐厅服务、在医院里服务以及在商场中拖地等又是机器人在十年之内所将拥有的实际能力。因此这三种能力都是机器人现在所能胜任的。它们唯一做不到的事情在第二段中很明确地提到过，即无法告诉天花板和墙相接处的墙角是向外凸的，这是它们本身的智能限制决定的。因此这个最佳。
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