2. 外语
  3. It’s said very few children survived cancer before the 1970s.【B1】______ treatments now show hops of long-term survival for almos

It’s said very few children survived cancer before the 1970s.【B1】______ treatments now show hops of long-term survival for almos

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问题      It’s said very few children survived cancer before the 1970s.【B1】______ treatments now show hops of long-term survival for almost eighty percent of young cancer patients. Yet the chemical drugs and radiation【B2】______ to cure their cancers can cause other problems later.
    A newly reported study【B3】 ______ more than 12,000 grown-ups who【B4】______ childhood cancers. Their average age at the time of the study was twenty-eight.
    The researchers found that sixty-two percent of the cancer survivors had at least one【B5】______   health problem. And they were eight times as likely as their sisters or brothers to【B6】______   life-threatening conditions, because chemical drugs can damage bone growth during an important period of【B7】______ and radiation for some cancers can【B8】______ the risk of other cancers later.
    Survivors of bone cancers, and cancers of the central nervous system were at highest risk for health problems as adults.【B9】______ .
    Doctors say newer cancer treatments are a little safer but not much. Still,【B10】______  
    According to the author of the study, doctors should watch closely for problems as childhood cancer survivors get older, He says【B11】______ . And he says it is especially important for survivors to eat right, exercise and not smoke.
【B9】
选项
答案The study also found that girls who survived cancer were more likely than boys to have problems later.
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