问题 选择题

The development of industry has been ____ gradual process throughout ______human existence, from stone tools to modern technology.

A./, the

B.the, a

C.a, /

D.a, a

答案

答案:C

考察冠词。第一空是泛指工业的发展是一个逐渐发展的过程,第二空的human existence是一个抽象的意义,故使用零冠词。故C正确。

综合
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