【简答题】随着生活水平的不断提高与医疗技术的不断进步,中国人口老龄化问题日益凸显。根据下表提示,请以“How to solve the problem of supporting the aged”为题,谈谈自己对解决人口老龄化问题的看法。 家人:照顾老人,多看望老人,理解老人; 社区:组织有利于老人身心健康的活动; 政府:建立完善的养老体系,投资兴建敬老院。 注意: 1. 字数为100字左右; 2. 参考...
【判断题】demographics n. 人口特征 ; 人口统计学的 ( demographic 的名词复数 ); [ 例句 ]Being there gave me an interesting window on demographics and the problem of the aging society. 令人高兴的是,它为我在研究人口统计学和老龄化社会问题方面,打开了一个有趣的窗口。 [ 其他...
【单选题】Considering a PPF with health care services on the vertical axis and other goods and services on the horizontal axis, the increasing production of health care services in the United States as a result...
A.
a movement upward along the PPF.沿 PPF 向上运动。
B.
an outward shift of the PPF from the vertical axis. PPF 从垂直轴向外移动。
C.
an outward shift of the PPF from the horizontal axis. PPF 从横轴向外移动。