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

What eventually happened to the rich, powerful country 2 000 years ago

A．Its people died of hunger.
B．It fell to pieces.
C．It became a giant empire.
D．It built many ships with wood.