[填空题]The press is constantly reminding us that the dramatic increase in the age of our population over the next 30 or so years will cause national healthcare systems to collapse, economies to crumple under the strain of pension demands and disintegrating families to buckle under increasing care commitments. Yet research at Oxford is beginning to expose some of the widespread myths that underlie this rhetoric. Demographic ageing is undoubtedly a reality. Life expectancy in developed countries has risen continuously over the past century, increasing the percentage of those over the age of 60 relative to those under the age of 15. By 2030 half the population of Western Europe will be over the age of 50, with a predicted average life expectancy of a further 40 years. By then, a quarter of the population will he over 65 and by 2050 the UK’ s current number of 10,000 centenarians are predicted to have reached a quarter of a million. Some demographers have even suggested that half of all baby girl

最新试题

• ●    [判断题]东风4B型内燃机车运用中，只要机油和冷却水温度超过正常范围，要及时调整温度控制阀，防止机车
• ●    [简答题]铁路区间正线的最大坡度不宜大于 20‰，困难条件下经技术经济比较后不应大于 ()。
• ●    [单选题]2×17年12月31日，
• ●    整合营销传播理论笼罩下的现代企业则是以销售为目的的。
• ●    [单选题]残疾人旅行时代步的折叠式轮椅（ ）携带
• ●    [判断题]( )RW11—10型跌落式熔断器不能带负荷分合闸。