VOA英语教学网 - VOA LEARNING ENGLISH
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
Researchers already know that women live longer than men in all parts of the world. Scientists have largely linked the difference in life expectancy between the sexes to biological survival…
Life expectancy rates in the United States have been increasing for most of the past 60 years. But a new study has confirmed changes. It found that U.S. life expectancy…
From VOA Learning English, this is the Health Report. The World Health Organization says women aged 50 and older are generally in better health now than they were 20 to…