2. 外语
  3. A. risk B. plausible C. ongoing D. sum E. strongly F. outset G. as H. meaningful I. causing J. process K. contribute to L. presc

A. risk B. plausible C. ongoing D. sum E. strongly F. outset G. as H. meaningful I. causing J. process K. contribute to L. presc

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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.
【C1】
选项
答案M
解析 此处需填入副词，修饰give up。下文提到这种人很坚定，由此可知其“不轻易放弃”，easily符合题意。
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专业英语四级

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