单项选择题

If a needle is thrown ______ on a sheet of paper ruled with lines, how often can it be expected to fall on a line

A．on purpose

B．with accuracy
C．at random

D．according to one’s own will
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More and more people these days are clamoring for full-body plastic surgery popularity in the world.
A．to attain
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Success as ______ by economic output bears no close relationship to human achievement.
A．decided
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C．assured
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