翻译：The challenge for the next century is managing the much larger population of aged and perhaps dependent people.
举一反三
- The challenge for the next century is managing the much larger population of aged and perhaps dependent people.
- The population of China is （）the United States. A: much larger than that of B: moremore larger than that of C: much larger than D: moremore larger than
- The aged population is currently at its highest level in human history. The United Nations predicts the rate of population ageing in the 21st century will exceed that of the previous century.
- The population of the world in 20h century became much_____ than that in the 19th. A: smaller B: larger C: greater D: more
- The world's population is aging. It is estimated that the people aged 60 or over will ______ 15% of the entire population by 2020. A: consist B: compose C: comprise D: include