1. Onethird of the country ______ covered with trees and the majority of the citizens ______ black people. (2011·湖南卷26)
A. is; are B. is; is C. are; are D. are; is
【解析】选A。分数及百分比后接名词的谓语动词由名词的单复数来决定。名词为单数谓语动词就用单数;名词为复数,谓语动词则用复数。a/the majority of(大多数)后接复数谓语动词用复数。