Why did Dr. Pepperberg teach Alex to speak with understanding、

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• 1How did Dr. Pepperberg teach Alex to speak with understanding、

  A.She said the same word all day long so that Alex could repeat it.

  B.She taught Alex a special sign language.

  C.She gave Alex rewards if he would say what she sai

  D.D.She gave Alex a candy every time he answered correctly.

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• 2According to the passage , how is Alex remarkable(不寻常的)、

  A.He can use the English language to answer questions.

  B.He uses words in English instead of bird calls to call other birds.

  C.He can copy the pronunciations of more than 100 English words.

  D.Alex has a brain that is much bigger than those of other parrots.

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• 3An eighty-year-old female in 1990 can expect to live _______________.

  A.0.5 years more than a male the same age

  B.1.9 years more than a male the same age

  C.7.0 years more than a male the same age

  D.8.9 years more than a male the same age

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• 4The table is intended(想要) to show that ______________.

  A.life expectancy is changing very little

  B.females can expect to live longer than males

  C.everyone can expect to live longer now

  D.old people don’t have as long to live as younger people

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• 5Lewis was able to get out from under the car when ______________.

  A.the children worked together to lift it up a little bit

  B.Raymond Brown came and pulled him out

  C.he pushed the car forward

  D.the police came to his help

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• 6According to the passage, Alex has proved that _________________.

  A.birds are not the only animals that can learn a language.

  B.parrots are much cleverer than scientists used to think.

  C.birds are just as intelligent as humans.

  D.teaching parrots to speak a human language isn’t very difficult.

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