World Wide Web was invented in 1991 by    English scientist ,Tim Burners-lee.
A．\; anB．The; anC．The; theD．A; the
B
考查冠詞的用法。第一空，發(fā)明物的前面必須加the，第二空泛指一位英國科學(xué)家，句意：寬帶網(wǎng)是在1991年由一位英國科學(xué)家Tim Burners-lee發(fā)明的。故選B。
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