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
B．to sustain
C．gaining
D．obtaining
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The less the surface of the ground yields to the weight of the body of a runner, () to the body.

A. the stress it is greater
B. greater is the stress
C. greater stress is
D. the greater the stress
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