问题
选择题
The survey shows that ______ of the population in the country ______ adults.
A．three fifths; is
B．three fifths; are
C．three fifth; are
D．three fifth; is
答案
答案：B
考查分数表达与主谓一致。句意：这个调查说明这个国家人口的五分之三是成年人。当分数的分子大于一时，分数的分母用复数形式，前有分数修饰时，谓语动词与被修饰名词保持一致。本句中population是集合名词表达复数含义，故谓语动词用are，选B。