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  3. Thirty years ago, anyone blaming loneliness for physical illness would have been laughed at. But as scientists studied different

Thirty years ago, anyone blaming loneliness for physical illness would have been laughed at. But as scientists studied different

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问题     Thirty years ago, anyone blaming loneliness for physical illness would have been laughed at. But as scientists studied different populations, loneliness kept emerging as a risk【B1】______In one study, California researchers followed 4 700【B2】______of Alameda County for ten years, starting in 1965. At first, the【B3】______reported their key sources of companionship and estimated the time they【B4】______each other. During the study, the people who reported the least social【B5】______died at nearly three times the rate of those reporting the most. The source of companionship didn’t matter, but time spent with others was【B6】______Since then, researchers have studied men, women, soldiers and students from countries all over the world. And the same【B7】______keeps emerging. Women who say they feel isolated go on to die of cancer at several times the expected rate. College students who report "strained and cold" relationships with their parents suffer【B8】______rates of hypertension(高血压)and heart disease decades later. Heart attack【B9】______who happen to live by themselves die at twice the rate of those who live with others. For those of us who are still healthy, the lesson should be obvious. It’s clear that reaching out to others can help out bodies thrive. It’s equally clear that we’re growing more isolated. In 1900, only 5% US households【B10】______one person living alone. The proportion reached 13% in 1960, and it stands at 25% today.
【B1】
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答案factor
解析 语境推断题。根据空格前的a risk可知此处需要填入名词，此处表达孤独与生理疾病之间的关系。由空格所在句句首的But可知本句意在表达科学研究发现孤独是产生生理疾病的一个因素。因此，空格处应填入一个表示“因素”的名词。结合录音填入factor，意为“因素"。
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大学英语四级

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