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Aging population is one of the most serious challenges that China is faced with. According to experts, the aging population in China will approach to 500 million within 40 years, which accounts for one third of its total population. 译为: 中国面临最严峻的挑战之一就是人口老龄化。专家称,在未来四十年内,中国老年人口将接近5亿,占据人口总数的三分之一。 正确与否?A.
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B.
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