2. 外语
  3. Go(围棋)is an ancient Asian game. In recent years, computer experts, particularly those【C1】______in artificial intelligence, have

Go(围棋)is an ancient Asian game. In recent years, computer experts, particularly those【C1】______in artificial intelligence, have

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问题     Go(围棋)is an ancient Asian game. In recent years, computer experts, particularly those【C1】______in artificial intelligence, have felt the fascination. Programming other board games has been a relative snap. Even chess has【C2】______ to the power of the processor. Five years ago, a chess-playing computer called Deep Blue not only beat but thoroughly【C3】______Garry Kasparov, the world champion at that time. That is because chess, while highly complex, can be reduced to a matter of brute force computation. Go is different. Deceptively easy to learn, either for a computer or a human, it is a game of such depth and【C4】______that it can take years for a person to become a strong player. To date, no computer has been able to achieve a skill level beyond that of the casual player.
    The game is played on a board divided into a grid of 19【C5】______and 19 vertical lines. Black and white pieces called stones are placed one at a time on the grid’s intersections. The object is to acquire and defend【C6】______by surrounding it with stones. Programmers working on Go see it as more accurate than chess in【C7】______the ways the human mind works. The challenge of programming a computer to mimic that process goes to the core of artificial intelligence, which involves the study of learning and decision-making, strategic thinking, knowledge representation, pattern recognition and perhaps most intriguingly, intuition.
    In the【C8】______of a chess game, a player has an average of 25 to 35 moves available. In Go, on the other hand, a player can choose from an average of 240 moves. A Go-playing computer would need about 30 000 years to look as far ahead as Deep Blue can with chess in three seconds. But the【C9】______go deeper than processing power. Not only do Go programs have trouble evaluating positions quickly; they have trouble making it correctly.【C10】______, the allure(吸引力)of computer Go increases as the difficulties it poses encourages programmers to advance basic work in artificial intelligence.
A)humbled F)course K)responding
B)complexity G)Nonetheless L)Consequently
C)obstacles H)subscribed M)specializing
D)territory I)humiliated N)submitted
E)reflecting J)slanted O)horizontal
【C4】
选项
答案B
解析 名词辨析题。结合本句deceptivelyeasy to learn和前面的depth推断，这里应该表达围棋的难度，因此选择B)complexity“复杂性”。
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