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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单项选择题
Why is it likely for those cloned animals born alive to have abnormalities
A．Scientists haven't got the faintest idea at all.
B．Scientists haven't researched into the cause.
C．Scientists speculate that there must be something wrong in the genetic reprogramming.
D．Scientists calculate that those animals are susceptible to diseases.
单项选择题
The author's attitude toward reading was probably influenced most strongly by the fact that______.
A．her mother loved to read:
B．her house was located near the library
C．she liked going to the library
D．she liked the librarian
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