单项选择题

The existing government has been______ great importance to the improvement of the quality of education.

A．concentrating
B．attaching
C．focusing
D．contributing
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单项选择题
When lights were suddenly turned on, the tiny 'beam of the flashlight was lost______ the bright lights.
A．amidst
B．among
C．against
D．into
单项选择题
The purpose of the new economic policy is not to hinder economic growth______ to guide it in a beneficial way.
A．and
B．as
C．but
D．nor
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