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单项选择题

Hardly a month goes by without ______ of another survey revealing new depths of scientific illiteracy among US citizens.

A．words
B．word
C．a word
D．the word
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热门试题

单项选择题______ that is found is valuable.

A．It is not every pearl
B．When not every pearl
C．Not every pearl
D．Every pearl that is not

单项选择题A. offer B. introduce G. install D. provide

A. offer B. introduce G. install D. provide