By studying about 700 adult smokers, she found out that her mom quit the right way—by stopping abruptly and completely.

2017年6月四级真题（第三套）阅读 Section C

One had to quit abruptly on a given day,going from about a pack a day to zero.

2017年6月四级真题（第三套）阅读 Section C

six months out, more people who had quit abruptly had stuck with it—more than one-fifth of them, compared to about one-seventh in the other group.

2017年6月四级真题（第三套）阅读 Section C

Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.

2016年12月六级真题（第二套）听力 Section B

Most forms of steel abruptly become brittle at temperatures below about -25°C unless they are mixed with other metals.

2019年6月六级真题（第三套）阅读 Section A

Then, abruptly, the cod population collapsed.

2016年6月六级真题（第三套）阅读 Section B

It ends abruptly at 3, 000 meters, giving way to lands of low growing plants.

2019年高考英语全国卷I 完形填空 原文