The new trend in artificial intelligence research stems from ________.

A) the shift of the focus of study on to the recognition of the shapes of objects

B) the belief that human intelligence cannot be duplicated with logical, step-by-step programs

C) the aspirations of scientists to duplicate the intelligence of a ten-month-old child

D) the efforts made by scientists in the study of the similarities between transistors and brain cells

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  B.Those working in the service industry shouldnt be treated as servants.

  C.Those serving others have to put up with rough treatment to earn a living.

  D.The majority of customers tend to look on a servant as a server nowadays.

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  Q: What can we know about the man from the conversation?

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  3．你的观点

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