单项选择题

In the passage, the primary concern for the technological breakthroughs is ______.

A．the moral aspect
B．the technical side
C．the end and the means
D．the philosophy

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单项选择题

We could infer that in the paragraph next to this passage, the author will write about ______.

A．some fundamental ideas of morality
B．some dissents
C．the present state of research
D．the future prospects

单项选择题

According to the passage, which of the following can be allowed

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.

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