Which of the following statements is true、

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• 1What did Bower use in his experiments、

  A.A chair.

  B.A screen.

  C.A film.

  D.A box.

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• 2In Paragraph 3, “object permanence”means that when out of sight, an object ________.

  A.still exists

  B.keeps its shape

  C.still stays solid

  D.is beyond reach

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• 3The passage is mainly about _____.

  A.babies’ sense of sight

  B.effects of experiments on babies

  C.babies’ understanding of objects

  D.different tests on babies’ feelings

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• 4What is probably the best title for the article、

  A.Losing His Way、

  B.Going My Way、

  C.Fun All the Way、

  D.Help on the Way、

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• 5The driver of the Firebird ______.

  A.took a wrong turn on the way

  B.had some trouble with his car

  C.was stopped by the police officer

  D.paid for the expenses of the accident

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• 6What does the story of Jeanne Calment prove to us、

  A.People can live to 122.

  B.Old people are creative.

  C.Women are sporty at 85.

  D.Women live longer than men.

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• 7According to Steve Austad at the University of Texas, ______.

  A.the average human life span could be 110

  B.scientists cannot find ways to slow aging

  C.few people can expect to live to over 150

  D.researchers are not sure how long people can live

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• 8Who would agree that a scientist will become famous if he makes the wildest guess at longevity、

  A.Jerry Shay.

  B.Steve Austad

  C.Rich Miller

  D.George Martin

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• 9What can we infer from the last three paragraphs、

  A.Most of us could be good at sports even at 120.

  B.The average human life span cannot be doubled

  C.Scientists believe mice are aging at a slower speed than before.

  D.New techniques could be used to change flies into a new species

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