As such, different populations of killer whales have had to learn different hunting techniques in order to gain the upper hand over their local prey.

2019年6月四级真题（第二套）阅读 Section A

In terms of class, digital divide exists among different types of workers and between the upper and middle classes and the lower class.

2015年12月四级真题（第一套）阅读 Section A

Mail that was already processed in New Orleans facilities was moved to an upper floor so it would be protected from water damage.

2019年12月四级真题（第二套）阅读 Section B

Now known as "New York's shared space for art and play," the island, which lies between Manhattan and Brooklyn in Upper New York Bay, is closed to cars but open to summer tourists who flock for festivals, picnics, adventures, as well as these "legal graff

2019年6月四级真题（第三套）阅读 Section C

Making sure to obtain an upper-second class degree.

出自-2016年12月阅读原文

An upper-second class degree, from an elite university.

出自-2016年12月阅读原文

In recent years, however, young upper middle-class people in London, have begun to adopt some regional accents, in order to hide their class origins.

2015年高考英语广东卷 阅读理解 阅读D 原文

Instead of a courtyard room, I'd like a room with a view, preferably on an upper floor.

2016年高考英语江苏卷 听力 原文

"I still grew up in an upper middle-class home with parents who didn't have college degrees," Schneider said. "I don't think people are capable of that anymore. "

2016年考研真题（英语二）阅读理解 Section Ⅱ