About _____of the workers in the factory wre born in the ______.

问题描述:

About _____of the workers in the factory wre born in the ______.
A.two-thirds;1970 B.two-thirds;1970s
C.two-third;1970 D.two-third;1970
有横线为什嘛还加s啊?

two-thirds,表示分数:三分之二.
所以:答案是B 我不懂有横线为什嘛还加s啊?因为这是分数的表示方法two third是表时间:两点三分.two-thirds,表示分数:三分之二.顺便给你讲一下英语中分数的表达方法:分子用基数词,分母用序数词,当分子大于1时,分母加s,分子与分母之间可以用连字符"-",也可以不用.如三分之一就是one-third或a-third或onethird或a third,而五分之二就是two-fifths或two fifths.那个1970s,年加s表示年代