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
It can be seen that present cloning techniques______.
A．provide insight into the question of nature vs. nurture
B．have been widely used in saving endangered species
C．have proved quite adequate for the cloning of humans
D．still have a long way to go before reaching maturity
单项选择题
According to Paragraph 2, what is the general attitude towards business on campuses dominated by purer disciplines
A．Scornful.
B．Appreciative.
C．Envious.
D．Realistic.
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