单项选择题

When a population is said to be aging,

A．more people are retiring than people entering the workforce __________.
B．the birth rate is growing
C．there is an oversupply of workforce
D．young people outnumber old people

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热门试题

单项选择题Labor force is composed of __________.

A．people who are available to work and earn income
B．self-employed people only
C．only those who are looking for an employment
D．only the employees

单项选择题The conclusion which can be drawn safely from the second paragraph is that __________.

A．a population growth from natural increase leads to a greater proportion of the workforce
B．a large population does not necessarily mean a higher proportion of workforce
C．the larger the number of the aged in a population, the higher the proportion of the workforce
D．if the population has an evenly spread age distribution, the workforce will be lower