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    Dr. Irene Pepperberg, a scientist at the University of Arizonahas worked with Alex for nineteen years. Teaching Alex to speak and understand wasn’t easy at firstHe had to learn one word at a time. Irene and an assistant(助手)would teach Alex by showing him what a word meantIrene would hold up an object, saying “What’s this?” Her assistant would give the word—“candy”for example—while Alex watched .Irene would praise(表扬)her assistant, then ask Alex the name for the objectWhen he got it rightIrene would praise him and give him the object to play with as a rewardIt took Alex many weeks to1earn his first wordAfter thateach new word became easier and easier for him

    Why did Irene spend so much time getting a parrot to talk? Scientists like Irene are interested in discovering how intelligent(聪明)animals are and hew their brains(大脑)work. But studying animal intelligence has always been difficult, partly because animals haven’t been able to communicate(交流)clearly with humansTeaching Alex to speak words that he understands has let Irene talk to him directlyShe can ask him questionsand he can answer them in EnglishIn this wayIrene is finding out what kinds of things Alex’s brain can doShe has found that parrots are much smarter than scientists used to think.

    1According to the passagehow is Alex remarkable(不寻常的)?

      AHe can use the English language to answer questions

      BHe uses words in English instead of bird calls to call other birds

      CHe can copy the pronunciations of more than 100 English words

      DA1ex has a brain that is much bigger than those of other parrots.

    2How did Dr. Pepperberg teach Alex to speak with understanding?

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

      BShe taught Alex a special sign language

      CShe gave Alex rewards if he would say what she said

      DShe gave Alex a candy every time he answered correctly

    3Why did Dr. Pepperberg teach Alex to speak with understanding?

      AShe wanted to prove it could be done

      BShe wanted to provide a model for people who want talking birds

      CShe wanted to find out how many words parrots could remember.

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

    4According to the passageAlex has proved that      

      Abirds are not the only animals that can learn a language

      Bparrots are much cleverer than scientists used to think

      Cbirds age just as intelligent as humans

      Dteaching parrots to speak a human language isn’t very difficult

    答案

    ACDB



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