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          Most children，even the youngest of children，are delighted to be around cats and dogs．But these  pets carry plenty of germs and allergens(过敏原)，prompting researchers to ask：Are cats and dogs really safe for children?

        A study finds that，contrary to many parents’ fears，owning cats or dog8 does not in crease a child’s risk of developing allergies，and in fact，may actually protect them．The study’s lead author，Dr-Dennis Own by of the Medical College of Georgia，says that even he was “Very surprised”by the results．Own by and colleagues followed more than 470 children form birth to age 6 Or 7，comparing those exposed to cats and dog8 during their first year of life to those who Were not

        By using skin―prick tests for detecting common allergies，the researches found that  contrary  to  what many doctors had been taught for years，children wh0 had lived with a pet were not  at greater risk.

        Even more remarkable，children who had two or more dogs or cats had even  great diction ,up to77 percent，in risk of allergies．Researchers suggest this protective effect  may be the result of early exposure to lots of bacteria that are carried by dogs and cats．Exposing  young children  to  these bacteria helps“exercise”their immune systems early in life  so that they're better able to resist allergic disease8 later．

        There’s something  Very important in that first year of life when the immune system developing that we can retrain it away from an allergic response，”said Dr．William Davis．

        And while researchers are not encouraging parents to buy dogs 0r cats just to reduce a child’s allergy risk，they say if a family already has one or more animals，there’s no need to get rid of them．

         

    61．Why do the researchers feel“very surprised”by the results of the study?

      A．Because the results are contrary to their expectation．

      B．Because 80 many children are playing with eats and dogs．

      C．Because parents are so much worried about their children．

      D．Bee-use children with animals may develop allergies easily．

    62．Compared with children who have pets，those who haven't

      A．will lose the chance to develop immune system

      B．may suffer allergic diseases more often

      C．will reduce the harm from bacteria

      D．can keep doctors away   

    63．It Can be inferred from the passage that

      A．pets are ill-treated by their owners

      B．less families would like to own eats and dogs

      C．keeping pets is a good  way to keep children healthy

      D．the results of the study Call make families with pets feel at ease

    64．The underlined word“it”in the fifth paragraph refers to

      A．the early life                             B．an allergic disease

      C．immune system                        D．something important

    65．What may be the best title of the passage？

      A．How to protect your kids from allergies

      B．Your pets may be helping your kids

      C．Bacteria do good to your kids   

      D．Advantages of owning pets   

     

    ABDCB
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    In recent years, the world has made progress in reducing deaths among children under the age of five. A new report says an estimated 6.9 million children worldwide died before their fifth birthday. That compares to about twelve million in1990.
    The report says child mortality rates have fallen in all areas. It says the number of deaths is down by at least 50 percent in eastern, western and southeastern Asia. The number also fell in North Africa, Latin America and the Caribbean.
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    1. 1.

      Since 1990, the number of the children who died before 5 in the world has dropped by about__________

      1. A.
        6,900,000
      2. B.
        12,000,000
      3. C.
        1,200,000
      4. D.
        5,100,000
    2. 2.

      What does the underlined word “mortality” ( in Paragraph 2)mean?

      1. A.
        illness
      2. B.
        reduction
      3. C.
        death
      4. D.
        problem
    3. 3.

      According to the passage, the readers are likely to believe that __________

      1. A.
        child mortality rates have fallen just in five areas
      2. B.
        Sub-Saharan Africa has the highest under-five mortality rate in the world
      3. C.
        in developed countries, no children die before the age of five
      4. D.
        the world has made little progress in reducing the rates of child mortality
    4. 4.

      ______ is the top-one cause of death among children under five worldwide

      1. A.
        Global warming
      2. B.
        Malaria
      3. C.
        Pneumonia
      4. D.
        Diarrhea
    5. 5.

      What will be probably referred to in the following paragraph?

      1. A.
        Women do not want to have babies
      2. B.
        How more health care services are available to women
      3. C.
        Medical problems are completely solved
      4. D.
        The World Health Organization

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