单项选择题

This is one of the most ______ ways of reducing pollution.

A．effective
B．efficiency
C．effect
D．efficient
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单项选择题
His latest works have really ______ his reputation as a writer.
A．expressed
B．established
C．estimated
D．ensured
单项选择题
Her ______ qualities, such as her sense of comedy and her appearance, all attracted US.
A．private
B．only
C．personal
D．individual
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