Question

【题目】About _______ of the workers in the factory were born in the ______.

A. two thirds; 1970B. two thirds; 1970s

C. two third; 1970D. two third; 1970s

Answer 1

【答案】B

【解析】

试题句意为：工厂里大约三分之二的工人出生于20世纪70年代。分数的表达：分子用基数词，分母用序数词，当分子大于一时，分母加“s”；此外表示年代应在年后加“s”。结合选项可知应选B。