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The Calculator Game Is in the Progress on the Programming Now Researchers in the field of artificial intelligence have long
The Calculator Game Is in the Progress on the Programming Now Researchers in the field of artificial intelligence have long
admin
2013-04-03
47
问题
The Calculator Game Is in the Progress on the Programming Now
Researchers in the field of artificial intelligence have long been intrigued by games, and not just as a way of avoiding work. Games provide an ideal setting to explore important elements of the design of cleverer machines, such as pattern recognition, learning and planning. They also hold out the tantalizing possibility of fame and fortune should the program ever beat a human champion.
Ever since the stunning victory of Deep Blue, a program running on an IBM supercomputer, over Gary Kasparov, then world chess champion, in 1997, it has been clear that computers would dominate that particular game. Today, though, they are pressing the attack on every front. There is one game, however, where humans still reign supreme Go. Yet here too their grip is beginning to loosen.
Go was invented more than 2,500 years ago in China. It is a strategic contest in which two players take turns to place stones on the intersections of a grid with 19 lines on each side. Each player tries to stake out territory and surround his opponent. The rules are simple but the play is extraordinarily complex. During a game, some stones will "die", and some will appear to be dead but spring back to life at an ill-timed moment. It is often difficult to say who is winning right until the end.
Deep Blue beat Mr. Kasparov using the "brute force" technique. Rather than search for the best move in a given position, the computer considers all white’s moves, and all black’s possible replies, and all white’s replies to those replies, and so on for, say, a dozen turns. The resulting map of possible moves has millions of branches. The computer combs through the possible outcomes and plays the one move that would give its opponent the fewest chances of winning. Unfortunately, brute force will not work in Go. First, the game has many more possible positions than chess does. Second, the number of possible moves from a typical position in Go is about 200. compared with about a dozen in chess. Finally, evaluating a Go position is fiendishly difficult. The fastest programs can assess just 50 positions a second, compared with 500,000 in chess. In the past two decades researchers have explored several alternative strategies with indifferent results. Now however, programmers are making impressive gains with a technique known as the Monte Carlo method. Given a position, a program using a Monte Carlo algorithm contemplates every move and plays a large number of random games to see what happens. If it wins in 80% of those games, the move is probably good. Otherwise, it keeps looking. The result is a new generation of fast programs that play particularly well on small versions of the Go board.
It could be inferred from the text that______.
选项
A、human beings will lose the dominant position in Go board
B、computer program will randomly choose a step to see what happens
C、Monte Carlo method is much cleverer than other programs
D、computers could become great competitors to human beings
答案
A
解析
推理判断题。文章第二段最后一句说明人类在围棋领域的统治地位正逐渐丧失,[A]项符合文意。[B]项与文中第四段不符,计算机根据精确的评估而选择每一个棋位而并未任意选择;[C]项是强干扰项,Monte Carlo是新研发出的能够用于小棋盘围棋的新一代快速程序,但这并不意味着它就比别的程序更加聪明;[D]项错误,电脑只是在某些游戏领域将会超过人类,但不会成为人类极其危险的竞争者。
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0
考研英语一
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