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  3. 0ld and Active It is well-known that life expectancy is longer in Japan tha...

0ld and Active It is well-known that life expectancy is longer in Japan tha...

admin2020-12-24  17
问题 0ld and Active
It is well-known that life expectancy is longer in Japan than in most other countries. A ____ (51) report also shows that Japan has the longest health expectancy in the world. A healthy long life is the result of the_______(52) in social environment.
Scientists are trying to work _______(53 ) exactly what keeps elderly Japanese people so healthy, and whether there is a lesson to be_______(54) from their lifestyles for the rest of us. Should we (55) any changes to our eating habits，for instance，or go
jogging (慢跑）each day before breakfast? Is there some secret ingredient in the Japanese diet______ (56) is particularly beneficial _______ (57) the human body?
Another factor contributing to the rapid population aging in Japan is a______ (58) in birth rate. Although longer____(59) should be celebrated，it is actually considered a social problem. The ____(60) of older people had doubled in the last half century and that has increased pension and medical costs. The country could soon be_______ ( 61) an economic problem，if there are so many old people to be looked _______ (62)，and relatively few younger people working and paying taxes to support them.
_______(63) the retirement age from 65 to 70 could be one solution to the problem. Work can give the elderly a (64) of responsibility and mission in life. It’s important that the elderly play active (65)in the society and live in harmony with all generations.
56
选项 A why
B that
C what
D where
答案B
解析从语法上分析，从空白处起至句子结束应该是一个定语从句，作ingredient的定语。 定语从句缺一个主语，四个选项中只有B、C可以考虑，显然只有that才能代替ingredi- ent。
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