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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
相关考题

It is implied in the passage that the villager______.A．...

单项选择题It is implied in the passage that the villager______.

A．wants a plentiful supply of trees
B．wants fire wood
C．wants to get money
D．is not aware of the importance of environmental protection

What does the passage mainly talk aboutA．The three bene...

单项选择题What does the passage mainly talk about

A．The three benefits provided by trees.
B．Trees and soil conservation.
C．The various uses of trees.
D．The different attitudes of the government and the villagers toward trees.

What eventually happened to the rich, powerful country ...

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.

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