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1、2021/3/91语法填空1 Something significant is happening to the world it is aging. The median(中位数的) age of an American in 1950 56 (be) 30 today it is 41 and is expected 57 (increase) to 42 by 2050. For Japan, the 58 (number) are more striking 22 in 1950 46 today 53 in 2050. In 2015, one in 12 people around

2、 the world were over 65; by 2050 it will be one in six.wasto increasenumbers2021/3/92 The aging of the population is driven 59 two factors. The first is declining birth rates, which means old generations are large 60 (compare) to younger generations, and so, on average, the population becomes 61 (ol

3、d) than before. This is 62 (particular) true in the US. The second reason is that people are living longer. A child born in the US today has 63 very realistic chance of living beyond 100 and needs to plan accordingly. bycompared olderparticularly a2021/3/93 People tend to focus on the first factor.

4、However, greater attention should 64 (place) on longevity (长寿).It isnt just that people are, on average, living longer. Its also that they are on average healthier 65 more productive for longer. Therefore they can work for longer, consume more and in general be a boost to the economy.be placedandbe a boost to

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