单项选择题

Britain has the highest______of road traffic in the world—over 60 cars for every mile of road.

A．popularity
B．prosperity
C．intensity
D．density
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单项选择题
The European Union countries were once worried that they would not have______.
A．sufficient
B．efficient
C．potential
D．proficient
单项选择题
Some forgeries are intended to confound or ridicule the expels; others are intended to imitate an artist or genre.
A．scorn
B．perplex
C．appraise
D．irritate
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