Since the mid-1950s, life expectancy(平均寿命)around the world has increased greatly.and many scientists believe that it will increase in the future.In the early 1950s the world life expectancy rate was 46. 4 years. By 1998, it had increased to 63 years. In more developed countries, life...
根据第一段第一句“Life expectancy (寿命) in Africa rose by nearly 10 years in the first two decades of this century, according to the World Health Organization.(根据世界卫生组织的数据,本世纪头20年,非洲人的预期寿命提高了近10岁。)”和第二段第一句“In the year 2019, the average African ...
Life expectancy has increased rapidly since the Enlightenment. Estimates suggest that in a pre-modern, poor world, life expectancy was around 30 years in all regions of the world. In the early 19th century, life expectancy started to increase in the early industrialized countries while it stayed ...
Back in 1975,economists planned rising life expectancy(预期寿命) against countries' wealth, and concluded that wealth itself increases longevity. It seemed self- evident: everything people need to be healthy--from food to medical care- costs money.取构日 But it soon proved that the data didn'...
Since the mid-1950s, life expectancy(平均寿命) around the world has increased greatly, and many scientists believe that it will increase in the future. In the early 1950s the world life expectancy rate was 46.4 years. By 1998, it had increased to 63 years. In more developed countries, li...
Life Expectancy in the Last Hundred YearsA. makes B. causes C. make D. cause A hundred years ago, life expectancy in developed countries was about 47; in the early 21st century, men in the United States and the United Kingdom can expect to live to about 74, women to about 80, and...
[01:19.08]Life expectancy is an estimate [01:22.12]of the average number of years [01:25.20]a baby born in a particular year [01:27.76]might expect to live. [01:30.12]The measurement assumes death rates [01:32.76]at ...
According to the World Bank, theife expectancy was 79.28 years in high-income countries in 2015, 74.83 years in uppermiddle-income countries, 67.48 years in lower middle-income countries and just 61.8yearsin low-income countries. Why it seems that the richer a country is, the longer the ...
life expectancy at birth is relatively low, compared with more-developed countries. In some less-developed countries, life expectancy at birth may be lower than life expectancy at age 1, because of high infantmortalityrates (commonly due toinfectious diseaseor lack of access to a clean water sup...
Moreover, even within developed countries, there are significant disparities in life expectancy based on factors such as race, gender, and socio-economic status. These disparities are often the result of systemic issues like unequal access to resources and opportunities, which highlight the need for...