Question

About _________ of the teachers in tour school were born in ________.

A．two thirds, 1970	B．two thirds, the 1970s
C．two thirds, 1970s	D．two third, the1970

Answer 1

C

試題分析：句意：我們學(xué)校大約三分之二的老師都出生于20世紀(jì)70年代。分?jǐn)?shù)的表達(dá)方法：分子基數(shù)詞，分母序數(shù)詞，分子大于一，分母加s。表某個(gè)世紀(jì)幾十年代的格式是： in + 逢十的復(fù)數(shù)數(shù)詞，在20世紀(jì)七十年代，要用in 1970s。故選C。