单项选择题

According to the author, what is the cause for wars

A．The differences of political power.
B．The differences of military power.
C．The differences of the people's nature.
D．The differences of social and political philosophy.

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热门试题

单项选择题

What is important for human bodies to renew

A．Evolution.
B．Biological condition.
C．Reproduction.
D．Old age.

单项选择题

In what ways human beings are different from other animals

A．Human beings are concerned with their origins.
B．Human beings can think and value.
C．Human beings can distinguish good from evil.
D．Human beings have evolved over long time.