【題目】As a result of destroying the forests, a large __________ of desert __________ covered the land.

A. number; has B. quantity; has

C. number; have D. quantity; have

【答案】B

【解析】句意：由于森林遭到破壞，大量的沙漠覆蓋了土地。a large number of大量，許多，修飾可數(shù)名詞復數(shù)；quantity修飾不可數(shù)名詞或可數(shù)名詞復數(shù)作主語，謂語動詞的人稱和數(shù)取決于quantity, quantity為單數(shù)，謂語動詞為單數(shù)；quantity為復數(shù)，謂語動詞為復數(shù)。

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