单项选择题

In mathematics the term "solid" describes a geometric figure with three dimensions.

A．angle
B．shape
C．triangle
D．equation
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单项选择题
Early exponents of science fiction such as Jules Verne and H. G. Wells explored with zest the future possibilities opened up to the optimistic imagination by modern technology.
A．inspiration
B．enthusiasm
C．fantasy
D．endeavour
单项选择题
Sudden disastrous external stress such as in severe automobile accidents, airplane crashes, and underwater explosions may cause death through rupture of the major arteries.
A．impairment
B．severity
C．fracture
D．contraction
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