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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单项选择题
The birth rate all over the world will remain the same in the 21st century.
A．Right
B．Wrong
C．Doesn't say
单项选择题
More people are living in the U.S.A nowadays.
A．Right
B．Wrong
C．Doesn't say
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