单项选择题

In the process of cloning, what ultimately activates the cell to start dividing

A．An adult cell inserted into an egg.
B．An electronic stimulation.
C．An artificially fertilised egg.
D．Another donor cell.
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单项选择题
Professor Larry Goldstein may agree on all of the following statements EXCEPT______.
A．we need to make good use of cloning
B．we need to incorporate cloning into the biological revolution
C．cloning is not intrinsically good or had
D．the ability to clone can offer us exclusively good stuff
单项选择题
It is implied that cloning draws fierce criticism from ethicists, religious leaders and US President Bush because______.
A．it is conceptually hyped
B．it is morally controversial
C．it is extremely difficult
D．it is not scientifically viable
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