2. 职称英语
  3. Although too much【C1】______to the sun’s ultraviolet rays can cause skin canc

Although too much【C1】______to the sun’s ultraviolet rays can cause skin canc

游客2025-04-20  4
问题     Although too much【C1】______to the sun’s ultraviolet rays can cause skin cancer, sunshine may have a【C2】______effect against some cancers, U.S. scientists said in April. They【C3】______vitamin D, the so-called sunshine vitamin that is also found in fortified milk and【C4】______products, cod liver and some fatty fish, can help to slow down the speed【C5】______which cancer【C6】______divide. "This study found inverse【C7】______between both residential and occupational exposure to sunlight【C8】______mortality from female breast and colon cancers," said Dr. Michael Freedman of the National Cancer【C9】______.
    In research【C10】______in Occupational and Environmental Medicine, Freedman and his team studied【C11】______from breast, ovarian, colon, prostate and skin cancers in 24 U.S. states between 1984 and 1995 to determine the【C12】______of sunlight on the disease.【C13】______surprisingly, they found more deaths form skin cancer in sunnier【C14】______but the number of people who died from the other cancers was lower in the【C15】______areas. Working【C16】______in a sunny climate was also associated with【C17】______breast and colon cancer deaths but not【C18】______the other cancers. Freedman said more research is needed to【C19】______the association between sunlight and【C20】______cancers. [br] 【C19】
选项 A、indicate
B、propel
C、explain
D、generate
答案 C
解析 空格所在句子大意为：弗里德曼说，还需要作进一步研究来——太阳光线与某些癌症之间的联系。各个选项的意思为：indicate“指示，指出”；propel“推动，驱使”；explain“解释”，generate“形成，发生”。根据句意和各个选项的意思可知，正确答案是C。
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