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

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• 1According 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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• 2An 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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• 3The 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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• 4Lewis 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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• 5Gary Lewis couldn’t breathe because _______________.

  A.there was a heavy car on top of him

  B.he was running very fast

  C.he had a bad cold

  D.he was working too hard

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• 6Why did Dr. Pepperberg teach Alex to speak with understanding、

  A.She wanted to prove it could be done.

  B.She wanted to provide a model for people who want talking birds.

  C.She wanted to find out how many words parrots could remember.

  D.She wanted to find out what kinds of things his brain could do.

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• 7According 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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