Because every species becomes extinct．,Because humans b-找考题网

单项选择题

A．Because every species becomes extinct.
B．Because humans beings are powerful enough to kill other species.
C．Because of over-population.
D．Because human being is still a young species though it is exploiting the environment.

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单项选择题

A．Physics.B．Mathematics.C．Environmental science.D．Life science.

A．Physics.
B．Mathematics.
C．Environmental science.
D．Life science.

单项选择题

A．Factors that affect the ability to memorize.B．The influence of childhood memories oil adulthood.C．A proposal for future psychological research.D．Benefits of a busy lifestyle.

A．Factors that affect the ability to memorize.
B．The influence of childhood memories oil adulthood.
C．A proposal for future psychological research.
D．Benefits of a busy lifestyle.

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