最新版英语听力教程 Model Test10-part a(在线收听

  [00:03.89]Section I  Listening Comprehension   Part A Directions:
  [00:09.77]For Questions 1- 5,
  [00:13.30]you'll hear a monologue of a famous chess master.
  [00:18.26]While you listen,fill out the table with the information you've heard.
  [00:23.72]Some of the information has been given to you in the table.
  [00:29.00]Write only 1 word or number in each numbered box.
  [00:35.24]You now have 25 seconds to read the table below.
  [00:40.59]M:I got my first glimpse of artificial intelligence on Feb.10 1996,
  [00:50.39]at 4:45 P.M.EST,
  [00:54.83]when in the first game of my match with Deep Blue,
  [00:59.79]the computer nudged a pawn forward
  [01:04.16]to a square where it could easily be captured.
  [01:08.55]It was a wonderful and extremely human move.
  [01:12.80]If I had been playing White,I might have offered this pawn sacrifice.
  [01:19.15]It fractured Black's pawn structure and opened up the board.
  [01:24.72]Although there did not appear to be a forced line of play that
  [01:30.36]would allow recovery of the pawn,
  [01:34.01]my instincts told me that with so many loose Black
  [01:38.98]pawns and a somewhat exposed Black king,
  [01:43.44]White could probably recover the material,
  [01:48.09]with a better overall position to boot.
  [01:52.46]But a computer,I thought,would never make such a move.
  [01:57.50]A computer can't see the long-term consequences of structural changes in the position
  [02:04.66]or understand how changes in pawn formations may be good or bad.
  [02:11.32]Humans do this sort of thing all the time.
  [02:15.89]But computers generally calculate each line of play
  [02:21.04]so far as possible within the time allotted.
  [02:25.79]Because chess is a game of virtually limitless possibilities,
  [02:32.16]even a beast like Deep Blue,
  [02:36.42]which can look at more than 100 million positions a second,
  [02:41.99]can go only so deep.
  [02:45.46]When computers reach that point,they evaluate the various resulting positions
  [02:52.02]and select the move leading to the best one.
  [02:56.77]And because computers primary way of evaluating chess positions
  [03:02.52]is by measuring material superiority,
  [03:07.09]they are notoriously materialistic.
  [03:11.45]If they understood the game,they might act differently,
  [03:16.13]but they don't understand.

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