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  3. We all like to feel needed. But new research suggests having a sense of purpose is good for our health, too. In a study of 7

We all like to feel needed. But new research suggests having a sense of purpose is good for our health, too. In a study of 7

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问题     We all like to feel needed. But new research suggests having a sense of purpose is good for our health, too.
    In a study of 7,000 people, those with the strongest sense of direction in life were over【C4】______percent less likely to suffer a stroke.
    The researchers【S1】______for other aggravating factors such as blood pressure and alcohol use and believe the【S2】______comes through regulating the immune system.
    It has long been thought that【S3】______meaningful activity after retirement is important for physical and mental health—which often declines【S4】______soon after retirement.
    But while past research focused on the【S5】______effects of negative psychological traits, such as depression and anxiety, new research is investigating how positive traits, such as【S6】______, protect against illness.
    In the recent study, men and women aged 50 and over were【S7】______for four to five years and completed psychological tests while researchers recorded strokes.
    The results show that the higher someone’s sense of purpose, the lower their risk of a stroke. Those with the greatest sense of purpose were【C7】______percent less likely to suffer a stroke compared to those with the lowest.
    Other research has shown thai positive mood can lower levels of the stress hormone Cortisol(荷尔蒙皮质醇), also【S8】______in stroke.
    "This is significant as we have an【S9】______population and it helps show what behaviours prevent people from getting ill," says Cary Cooper, professor of health psychology at Lancaster University. "Maybe【S10】______is not good for some. "
A)accounted I)implicated
B)ageing J)optimism
C)ambition K)outstanding
D)damaging L)pursuing
E)decreasing M)retirement
F)dramatically N)searched
G)effect O)tracked
H)gradually
【S8】
选项
答案I
解析 空格所在句子的两个半句之间没有连接词，且前半句是个完整的句子，不缺少句子成分，由此可知，空格处不能填入动词原形作谓语，只能填入非谓语动词作定语，修饰前面的hormone cortisol。上文提到，正面的情绪能降低荷尔蒙皮质醇的水平，空格所在句出现了also和stroke，南此推知，这种荷尔蒙皮质醇与中风也有关联，故空格处填入implicated“牵连，相连”。
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大学英语四级

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