可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

The advantages of learning a foreign language.

学习一门外语的优势

You stave off Alzheimer's and dementia

延缓老年痴呆或者其他痴呆症

Several studies have been conducted on this topic,and the results are consistent.

针对这一话题开展过多项研究，结果是一致的。

For monolingual adults, the mean age for the first signs of dementia is 71.4.

对于只讲一种语言的成人，初现痴呆症状的平均年龄是71.4。

For adults who speak two or more languages, the meanage for those first signs is 75.5. Studies considered factors such as education level, income level, gender, and physical health, but the results were consistent.

对于能讲两种或者以上语言的成人，平均年龄为75.5。这些研究考虑了诸如教育、收入、性别和身体健康等多方面的因素，但结果都是一致的。

【知识点津】

conduct vt.& vi.引导； 带领； 控制； 传导

例句：

She was found guilty of unprofessional conduct.

她因违反职业道德而被判罪。

consisten adj.一致的； [数学、统计学]相容的； 一贯的； 连续的

例句：

She's not very consistent in the way she treats her children.

她对待孩子反复无常。

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