2. 外语
  3. Old and Active It is well-known that life expectancy is longer in Japan than in most other countries. A【C1】______ report als

Old and Active It is well-known that life expectancy is longer in Japan than in most other countries. A【C1】______ report als

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问题                             Old and Active
    It is well-known that life expectancy is longer in Japan than in most other countries. A【C1】______ report also shows that Japan has the longest health expectancy in the world. A healthy long life is the result of the【C2】______in social environment.
    Scientists are trying to work【C3】______exactly what keeps elderly Japanese people so healthy, and whether there is a lesson to be 【C4】______from their lifestyles for the rest of us. Should we 【C5】______any changes to our eating habits, for instance, or go jogging each day before breakfast? Is there some secret【C6】______in the Japanese diet that is particularly【C7】______to the human body?
    Another factor【C8】______to the rapid population aging in Japan is a decline in birthrate. Although longer life should be celebrated, it is 【C9】______considered a social problem. The number of older people had【C10】______in the last half century and that has increased pension and medical costs. The country could soon be【C11】______an economic problem, if there are so many old people to be looked 【C12】______, and relatively few younger people working and paying taxes to support them.
    【C13】______the retirement age from 65 to 70 could be one solution to the problem. Work can give the elderly a【C14】______of responsibility and mission in life. It’ s important that the elderly play active 【C15】______in the society and live in harmony with all generations.
【C6】
选项 A、ingredient
B、component
C、portion
D、helping
答案A
解析 根据句子结构来看，这里缺少的是一个名词或能充当名词的词，helping作为名词时指“(进餐时的)一份食物，一客食物”，作为动名词时指“帮助，促进”，不合语境，所以排除D。A、B、C项的三个词都可以表示“部分，要素，成分”，但是ingredient通常用来表示原料、成分；com—ponent表示文章、学术观点或者电子产品中的部分或组件；portion表示数量上的一部分。此处是指饮食、食物中的原料、成分，故选A。
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