单项选择题

What was the woman’s job

A．Counting wildlife
B．Cleaning cages
C．Training baby birds
D．Making puppets
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单项选择题
What’s the big breakthrough with Dolly, the first cloned animal
A．It makes a clone from an ordinary, adult cell.
B．It makes the first normal and healthy cloned animal.
C．It paves the way to the cloning of human beings.
D．It makes a cloned animal with only mother.
单项选择题
A．statusB．circumstanceC．environmentD．priority
A．status
B．circumstance
C．environment
D．priority
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