单项选择题

We learn from the passage that animal clones am likely to have______.

A．an abnormal shape
B．a bad temper
C．defective organs
D．immune deficiency
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单项选择题
By cloning Missy, Mark Westhusin hopes to______.
A．examine the reproductive system of the dog species
B．find out the differences between Missy and its clones
C．search for ways to modify its temperament
D．study the possibility of cloning humans
单项选择题
What does the first paragraph tell us about Westhusin's dog cloning project
A．Its success is already in sight.
B．It is doomed to utter failure.
C．It is progressing smoothly.
D．Its outcome remains uncertain.
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