通过高考题精讲
分数百分数+of作主语中的主谓一致
分数百分数+of作主语由of后面的词决定。
Three-fourths of the surface of the earth sea. (A)is (B)are (C)were (D)has been
解析：本题选择A.
分数百分数+of作主语由of后面的词决定。
Three-fourths of the surface of the earth________sea.
the surface不可数，所以用单数，表示客观事实，所以用一般现在时态。
(2006浙江) 7．
The company had about 20 notebook computers but only one-third __________used regularly. Now we have 60 working all day long. A．is B．are C．was D．were
解析：本题选择D.
分数百分数+of作主语由of后面的词决定。
本题but only one-third 后面可以看成是one-third of about 20 notebook computers，所以用复数；加上but是个并列结构前面用had，所以后面也用一般过去时。
(2011湖南)26.
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
解析：本题选择A.
分数百分数+of作主语由of后面的词决定。
One-third of the country，the country不可数，所以用单数。 the majority of the citizens+复数谓语动词。
通过高考题精讲 分数百分数+of作主语中的主谓一致
