The interracial roommates spent less time together, and had fewer joint activities than the white pairs.

出自-2012年6月听力原文

They generally spend more time together that white pairs

出自-2012年6月听力原文

1 million breeding pairs - will be forced to relocate their breeding grounds, or face extinction by 2100.

2019年12月六级真题（第三套）阅读 Section C

They cited a study presented earlier this year of 249 pairs of parents and their children in which twice as many children as parents wanted rules on what parents could share.

2018年12月六级真题（第三套）阅读 Section B

Au pair in Stamford, Conn, for example, has got increasing numbers of request for Chinese Au pairs from zero to around 4, 000 since 2004.

2014年高考英语全国卷2 阅读理解 阅读C 原文

Chinese au pairs need to improve their english skills.

2014年高考英语全国卷2 阅读理解 阅读C 选项

It is expected that American demand for au pairs will continue to rise in the next few years.

2014年高考英语全国卷2 阅读理解 阅读C 原文

One of the latest trends in American childcare is Chinese AU pairs.

2014年高考英语全国卷2 阅读理解 阅读C 原文

Radesky has studied the use of mobile phones and tablets at mealtimes by giving mother-child pairs a food-testing exercise.

2017年考研真题（英语二）阅读理解 Section Ⅱ

The study is a genome-wide analysis conducted on 1, 932 unique subjects which compared pairs of unrelated friends and unrelated strangers.

2015年考研真题（英语一）完形填空 Section Ⅰ