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
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.
单项选择题
According to the passage, politicians support dependency because ______.
A．they want to exert their sympathetic power
B．they desire to be reelected
C．they are not interested in doing good things
D．they have a lot of supporters
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