单项选择题

A．Because of nuclear waste.
B．Because of the war.
C．Because of environment pollution.
D．Because of hunters’ continuing whaling.
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单项选择题
A．The dangers of attacking each kind of wildlife.B．The dangers of polluting the environment.C．The dangers of starting a war.D．The dangers of using too much nuclear power.
A．The dangers of attacking each kind of wildlife.
B．The dangers of polluting the environment.
C．The dangers of starting a war.
D．The dangers of using too much nuclear power.
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