2. 外语
  3. Keeping a full social calendar may help protect you from dementia (痴呆症), researchers said on Monday.【1】active people who were no

Keeping a full social calendar may help protect you from dementia (痴呆症), researchers said on Monday.【1】active people who were no

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问题     Keeping a full social calendar may help protect you from dementia (痴呆症), researchers said on Monday.【1】active people who were not easily stressed had a 50 percent lower risk of developing dementia compared with men and women who were【2】and prone to distress, they reported in the journal Neurology.
    "In the past, studies have shown that long-term distress can【3】parts of the brain, possibly leading to dementia," Hui-Xin Wang of the Karolinska Institute in Sweden, who led the study, said in a【4】.
    "But our findings suggest that having a calm and【5】personality in combination with a socially active lifestyle may decrease the risk of developing dementia even further."
    An estimated 24 million people worldwide have the memory loss, problems with direction and other【6】that signal Alzheimer’s disease and other forms of dementia.
    Researchers believe the number of people with dementia may increase by four times by 2040, 【7】the importance of better understanding the condition.
    The Swedish study involved 506 elderly people who did not have dementia when first examined. The volunteers were given questionnaires about their personality traits and lifestyles and then【8】for six years.
    Over that time, 144 people developed dementia with more socially active and less stressed men and women 50 percent less likely to be【9】with the condition.
    "The good news is, lifestyle factors can be modified as opposed to genetic factors which cannot be controlled," Wang said. "But these are early results, so how exactly【10】attitude influences risk for dementia is not clear."
A. affect B. outgoing C. undergoing D. diagnosed
E. effect F. Socially G. tracked H. withdrew
I. Vertically J. statement K. highlighting L. symptoms
M. frictions N. mental O. isolated
【8】
选项
答案G
解析 此处应为过去分词，与句子中的were构成被动语态的谓语。本段说的是这项研究的数据收集过程，根据内容可以推断此处最适合的是tracked一词，表明研究人员对受试者进行了6年的跟踪调查。
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