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  3. Prevention is always preferable to a cure, and while much of the data are still preliminary, a growing body of evidence suggests

Prevention is always preferable to a cure, and while much of the data are still preliminary, a growing body of evidence suggests

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问题     Prevention is always preferable to a cure, and while much of the data are still preliminary, a growing body of evidence suggests【C1】______Ihe local green market may be a rich source of anticancer agents.【C2】______certain fruits and vegetables seem to have powerful tumor-fighting properties that researchers are【C3】______beginning to appreciate—and to study. A sampling of the current crop of findings:
    Scientists have long known that men who eat cooked tomato products such as pasta sauces【C4】______to have lower rates of prostate cancer. Until last week, however, the data were anything【C5】______conclusive. A study reported at last week’s meeting of the American Association for Cancer Research shows that daily doses of lycopene, an antioxidant that【C6】______tomatoes and gives them their red color, may not only prevent prostate cancer but【C7】______existing tumors as well.
    Previous studies showed that women who eat soy products【C8】______tofu and soy milk are less likely to develop breast cancer. But it was never clear why. Now a small study of two dozen women may point to an answer: soy seems to keep circulating levels of estrogen low,【C9】______inhibits breast cells【C10】______proliferating.
【C6】
选项 A、ripens
B、strengthens
C、sharpens
D、broadens
答案A
解析 根据上下文，该句的意思是“上周美国癌症研究协会的会议报道了的一项研究表明，日服一定剂量的番茄红素——一种抗氧化剂能使番茄成熟并变成红色，不仅能预防前列腺癌，而且可以缩小使现有的肿瘤变小”。因此本题选A。下一题选B，shrink意为“缩小”。
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