The expression “directed communication” in the last paragraph means communication in which

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• 1What is meant by “concert songs” in paragraph？

  A.Songs sung by zebra finches at a concert.

  B.Songs sung by female finches for male finches.

  C.Songs sung by male finches for female finches.

  D.Songs sung by male finches to other finches.

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• 2What did the researchers find in their study of female zebra finches？

  A.Female finches only liked songs male finches sang for their mates

  B.Female finches liked songs male finches sang for them.

  C.Female finches liked to listen to songs from both speakers，

  D.Female finches chose the best male singers as their mates.

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• 3Which of the following is true about birdsongs？

  A.Female zebra finches are too shy to sing before males.

  B.Male zebra finches sing louder than females.

  C.Female zebra finches like to listen to unknown males sing.

  D.Male zebra finches change their songs to attract females.

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• 4The phrase “wary of” in paragraph 8 could be best replaced by

  A.tired of.

  B.afraid of.

  C.cautious about.

  D.worried about.

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• 5Which of the following statements is ，NOT true of Dionisio Masso？

  A.She is 60 years old.

  B.She has a boyfriend.

  C.She has three children.

  D.She lives in Madrid.

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• 6Which of the following can best reflect the theme of the passage？

  A.Chirping away.

  B.Zebra finches and their life.

  C.Birdsongs as communication.

  D.Frequencies of birdsongs.

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• 7What will be the distinctive feature of the second generation robots？

  A.They will be able to recognize speeches and texts.

  B.They will be able to learn by themselves.

  C.They will be able to predict problems.

  D.They will be able to match human reasoning and behavior.

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• 8Which of the following statements is true of the future robots？

  A.They will relieve us of many chores.

  B.They will take over the information industry.

  C.They will never surpass us.

  D.They will become high-cost commodity items.

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• 9The author's main purpose is to

  A.describe the life of Hans Moravec.

  B.support the view that robots will play a major role in our life.

  C.B.support the view that robots will play a major role in our life.C.make fun of the views of Hans Moravec.

  D.get people prepared for the threat of future robots.

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• 10The word “plummet” in paragraph 6 means

  A.decrease.

  B.stretch.

  C.exten

  D.D.grow.

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