Many of the assignments and rules teachers come up with, often because they are pressured by their administrators, treat pleasure and joy as the enemies of competence and responsibility.

2015年12月四级真题（第一套）阅读 Section B

The Ebro Delta, in Spain, famous as a battleground during the Spanish civil War, is now the setting for a different contest, one that is pitting rice farmers against two enemies: the rice-eating giant apple snail, and rising sea levels.

2018年6月六级真题(第二套)阅读 Section C

Any smell might attract natural enemies that would try to eat the little comforting pats.

2016年高考英语四川卷 语法填空 原文

The impact/impacts of walking upright makes it easy to find food or guard against enemies.

2019年高考英语江苏卷 阅读理解 任务型阅读 题设

They pump out perfumes designed to attract different insects who are natural enemies to the attackers.

2017年高考英语全国卷2 阅读理解 阅读D 原文

Charles ought to know that as English history shows, it is kings, not republicans, who are the monarchy's worst enemies.

2015年考研真题（英语一）阅读理解 Section Ⅱ

Rats and other animals need to be highly at tuned to social signals from others so that can identify friends to cooperate with and enemies to avoid.

2020年考研真题（英语二）阅读理解 Section Ⅱ

This was not a volunteer soldier, not someone well paid, but an average guy, up against the best trained, best equipped, fiercest, most brutal enemies seen in centuries.

2012年考研真题（英语二）完形填空 Section Ⅰ

What political journalist, what party whip, would not want to know the make up of the WhatsApp groups in which Theresa May's enemies are currently plotting?

2018年考研真题（英语二）阅读理解 Section Ⅱ