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【题目】One third of the country __________ covered with trees and the majority of the citizens __________ black people.

A. is; are

B. is; is

C. are; are

D. are; is

【答案】A

【解析】句意:这个国家的三分之一都由绿树覆盖,大多数公民是黑人。分数修饰名词作主语,谓语动词由名词的单复数而定,名词为不可数名词或单数,谓语动词用单数;名词为复数,谓语动词为复数;majority大多数,半数以上,修饰citizens,谓语动词用复数。

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