单项选择题

What has cloning bypassed

A．The nuclear transfer.
B．The process of taking DNA.
C．The normal reproductive process.
D．The creation of cells.
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单项选择题
We can infer from the last paragraph that
A．profits and social responsibility can rarely go hand in hand in the company.
B．few people are concerned about corporate responsibility.
C．the debate over Time Warner’’s policy will soon involve other companies.
D．the Time Warner Board’’s opinion of the company’’s policy is divided.
单项选择题
In what respect was Kohoutek a disappointment
A．It could be seen only through special equipment.
B．It did not approach the Earth.
C．It did not provide valuable scientific information.
D．It was moving too rapidly for scientists to photograph.
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