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    阅读理解。
         Dr. Glenn Tisman, a cancer specialist, knew his young neighbor, Ray Bateman, had an unusual mind.
    But he had no idea at the time that 12-year-old Ray had the ability to become his partner in cancer
    research.
         Ray' s parents remembered that at age four, Ray surprised them by fixing a broken vacuum cleaner (吸
    尘器). When he was ten, he speedily constructed the family color television from a kit.Later, he
    succeeded in assembling (组装) a complex stereo system after two experts had failed to do the job.
         When Ray was ten, he convinced his parents to buy him a computer.In a short time, Ray was able to
    do amazing things with the computer.Ray shared his enthusiasm for computers with Dr. Tisman, who
    used a computer for his research. The two discussed computers and medicine frequently.Amazingly, Ray
    understood the biology and chemistry related to Dr. Tisman's medical research without any previous
    instruction.
         Ray then worked with Dr. Tisman after school.He helped conduct research with the equipment and
    kept it in working order.The purpose of the research was to test the effectiveness of mixing an old cancer
    drug with certain vitamins.Ray analyzed patient test results by computer, while Dr. Tisman handled all
    patient contact.Together, they came up with solid research that helped advance cancer treatment.
         In 1988, 14-year-old Ray went with Dr. Tisman to a meeting of the American Federation for Clinical
    Research (AFCR) , where Ray presented their initial research findings.Using terminology (术语) beyond
    the grasp of most kids of his age, Ray told the scientists how the new drug mixture caused fewer and
    milder side effects for cancer patients.
         A year later, Ray returned to the meeting to update the findings of his and Dr. Tisman' s research. By
    then, he had become well-known for his devotion to finding cures for sick patients.Stories about him
    appeared in hundreds of newspapers around the world.He appeared on television newscasts and talk
    shows.
         Ray continued to spend most free hours working with Dr. Tisman.The two began studying the effects
    of vitamins on babies inside the womb.However, Ray' s main interest remained cancer treatment, and he
    continues his research today.
    1. According to the passage, Ray______.
    A. is a boy of many gifts
    B. is very helpful to his parents
    C. learned fast under Dr. Tisman' s instruction
    D. stopped working with Dr. Tisman after his success
    2. What do we know about Dr. Tisman?
    A. He succeeded in finding cures for cancer.
    B. He made a new discovery in cancer treatment.
    C. He convinced Ray to become a partner of him.
    D. He taught Ray knowledge related to his research.
    3. What made Ray first known to the medical world?
    A. His presentation at AFCR.
    B. His great skills in computer.
    C. His devotion to cancer research.
    D. His appearance on television newscasts.
    4. Dr. Tisman's research is aimed at ______.
    A. providing different cancer treatments
    B. proving the effects of vitamins on babies
    C. finding the side effects of a cancer drug
    D. testing the effectiveness of a new drug mixture
    1-4: ABAD    
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