单项选择题

In the past twenty years the replacement rate has been falling in every country.

A．Right
B．Wrong
C．Doesn't say
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单项选择题
As to the world population, the public have the same idea as the experts.
A．Right
B．Wrong
C．Doesn't say
单项选择题
The world's population will be getting less.
A．Right
B．Wrong
C．Doesn't say
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