单项选择题

A．Conduct market research.
B．Sell cameras.
C．Advertise on newspapers.
D．Give away the mobile phones.
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单项选择题
Winston Churchill suggested that ECSC should be created to prevent military conflict in Europe.
A．Y
B．N
C．NG
单项选择题
In the third paragraph, Science today is not laughing at such extremes. suggests that______.
A．science has proved that reproductive monster machines are already existing in the world
B．science has proved that the authors mentioned above tend to go to extremes
C．science has not completely denied the possibility of reproductive powers of machines
D．science is trying to prove the existence of reproductive monsters in the world
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