Which of the following is closest in meaning to the title？ A Human hair may help detectives to solve crimes. B Animal hair may help detectives to solve crimes. C Human hair‘s features. D Most detectives are hair specialists.

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• 1James R. Ehleringer tried to find out A if tap water contains unique proportions of isotopes of

  James R. Ehleringer tried to find out

      A if tap water contains unique proportions of isotopes of hydrogen and oxygen.

      B if it is possible to collect hair samples across the country.

      C if our bodies break water down into its parts.

      D if the composition of hair can indicate exactly where people are from.

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• 2Which of the following about tap water is NOT correct？ A Tap water reflects the concentrations o

  Which of the following about tap water is NOT correct？

      A Tap water reflects the concentrations of hydrogen and oxygen isotopes in different regions.

      B Tap water contains unique proportions of isotopes of hydrogen and oxygen.

      C Tap water is a kind of soft drink in the United States

      D Tap water is used to cook food.

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• 3In the second paragraph， the underlined sentence means “if we______.” A pick any two persons

  In the second paragraph， the underlined sentence means “if we______.”

      A pick any two persons

      B take out two different persons

      C choose two persons who are relative

      D choose two persons with different intelligence

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• 4If a child is born with low intelligence， he can______. A become a genius B still become a

  If a child is born with low intelligence， he can______.

      A become a genius

      B still become a genius if he should be given special education

      C reach his intelligence limits in rich surroundings

      D not reach his intelligence in his life

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• 5You have to damage the host file if you want to remove Intrusive virus. A Right B Wrong

  You have to damage the host file if you want to remove Intrusive virus.

      A Right

      B Wrong

      C Not mentioned

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• 6There are two kinds of attack modes A Right B Wrong C Not mentioned

  There are two kinds of attack modes

      A Right

      B Wrong

      C Not mentioned

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• 7The virus that infected IBM‘s main computer system last Christmas was designed to damage the system

  The virus that infected IBM‘s main computer system last Christmas was designed to damage the system

      A Right

      B Wrong

      C Not mentioned

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• 8he construction of the train is said to have been terminated. A resumed B put an end to

  he construction of the train is said to have been terminated.

      A resumed

      B put an end to

      C suspended

      D re-scheduled

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• 9He began his talk by giving a concise definition of post-modernism. A long and detailed B

  He began his talk by giving a concise definition of post-modernism.

      A long and detailed

      B quick

      C comprehensive

      D professional

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• 10 I feel regret about what was happened. A sorry B disappointed C shameful D dish

   I feel regret about what was happened.

      A sorry

      B disappointed

      C shameful

      D disheartened

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