2. 外语
  3. Exercise Cuts Cancer Deaths in Men Men who exercise often are less likely to die from cancer than those who 【51】______, new

Exercise Cuts Cancer Deaths in Men Men who exercise often are less likely to die from cancer than those who 【51】______, new

admin2010-01-16  3
问题                         Exercise Cuts Cancer Deaths in Men
    Men who exercise often are less likely to die from cancer than those who 【51】______, new research published in the British Journal of Cancer revealed yesterday.
    A team of scientists from the Karolinska Institute in Sweden looked 【52】______ the effect of physical activity and cancer risk in 40,708 men aged 【53】______ 45 and 79.
    The seven-year study found that men 【54】______ walked or cycled for at least 30 minutes a day had a 34 percent lower 【55】______ of dying from cancer than the men who did less exercise or nothing at all. 【56】______ the period studied, 3,714 men developed cancer and 1,153 died from the disease. The researchers suggest that half an hour’s walking 【57】______ cycling a day increased survival among these men by 33 percent.
    The researchers surveyed men from two counties in central Sweden about their lifestyle and the amount of 【58】______ activity they were usually doing. They then scored these responses and compared the results with data on cancer diagnosis and death officially recorded in a central cancer registry(登记簿) over a seven-year 【59】______.
    Lead author, Professor Alicja Wolk, said: "These results clearly show for the first time the effect that very simple and basic daily 【60】______ such as walking or cycling has in reducing cancer death risk in middle-aged and elderly 【61】______".
    Dr. Lesley Walker, director of cancer information at Cancer Research UK, said: "This study gives us a clear indication that men who exercise are less 【62】______ to die from cancer, and that they are more likely to 【63】______ the disease if they get it.  It’s not entirely clear from this study what role exercise plays in preventing 【64】______ in men, but we do know that a healthy lifestyle can prevent up to half of all cancers—and 【65】______ exercise forms a key part of this".

选项 A、on
B、of
C、at
D、by
答案C
解析 look at表示"观察、研究"。
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