单项选择题


Section A

A．It’s dull.
B．It’s exciting.
C．It’s simple.
D．It’s complicated.
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填空题
David Rakison has most probably classified the fear for dangerous animals as a(n) ______.
单项选择题
Who used the term Singularity to refer to the era when human beings are replaced
A．A mathematician.
B．A computer scientist.
C．A science-fiction writer.
D．A computer entrepreneur.
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