2. 外语
  3. A. risk B. plausible C. ongoing D. sum E. strongly F. outset G. as H. m

A. risk B. plausible C. ongoing D. sum E. strongly F. outset G. as H. m

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问题 A. risk             B. plausible        C. ongoing        D. sum        E. strongly
F. outset           G. as               H. meaningful     I. causing    J. process
K. contribute to    L. prescribed       M. easily         N. make       O. truly
    We all know that emotions originate in the brain. But we usually talk about our emotions coming from our hearts. If someone you know doesn’t give up【C1】________, you might say,  “He’s got a lot of heart."
    Then what about bad emotions? When you feel so sad that your heart "aches," could it actually be true? A new study shows what goes on in your mind can, literally, break your heart.
    In the study, just published in the Journal of the American College of Cardiology, researchers looking at more than 63,000 women who were participants in the【C2】________ Nurses’ Health Study, found that, those who reported basic symptoms of depression had a higher-than-normal【C3】________ of heart attack. And women who were clinically depressed were more than twice as likely【C4】________ other women to suffer sudden heart attack. None of the participants had heart problems at the study’s【C5】________, but nearly 8% had symptoms of depression.
    The researchers theorize that depression might have some direct physiological impact on the heart-like【C6】________ it to work harder in the face of stress. Or it may be that the antidepressants (抗抑郁药)【C7】________ to treat those with mood problems were associated with heart diseases; in the study, sudden heart attack was linked more【C8】________ with antidepressant use than with women’s symptoms of depression.
    No one is sure exactly how depression hurts the heart, and one【C9】________ explanation is that a damaged heart and its consequent stress on the body might activate, somehow, genes or other physiological changes that【C10】________ depression.
【C10】
选项
答案K
解析 此处需填入动词，作that定语从句的谓语。基因或其他生理变化是因，抑郁是果。由此可知contribute to符合文意。
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