Although students may be in a ______ position, teachers should treat them as equals.

A．The change of one's IQ.
B．The change of IQs for one's descendants.
C．To be more beautiful.
D．To be free from certain disabilities.

A．we can ignore the moral aspect of the biotech age
B．artificial intelligence can not be as good as human brain
C．plotting the brain is much more significant than mapping genes
D．in the future a human being does not necessarily rely on a brain