World Wide Web was invented in 1991 by English scientist ,Tim Burners-lee

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World Wide Web was invented in 1991 by English scientist ,Tim Burners-lee.

A．; an

B．The; an

C．The; the

D．A; the

答案

解析

考查冠词的用法。第一空，发明物的前面必须加the，第二空泛指一位英国科学家，句意：宽带网是在1991年由一位英国科学家Tim Burners-lee发明的。故选B。

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A．／；／

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