四级This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.

这反过来又对它们的饮食产生重大影响，导致科学家推测，学习特定群体狩猎方法的能力可能会推动这些动物的基因发育。

2019年6月四级真题（第二套）阅读 Section A

六级Perhaps, the study speculated, having a white roommate helps academically prepared black students adjust to a predominantly white university.

研究推测，也许有一个白人室友可以帮助有学术准备的黑人学生适应以白人为主的大学。

2012年6月听力原文

考研A cynic might speculate that the UK is on the verge of disappearing into an endless fever of self-celebration in its desperation to reinvent itself for the post-Brexit world: after town of culture, who knows that will follow-village of culture?

愤世嫉俗者可能会猜测，英国正处于消失的边缘，陷入无休止的自我庆祝的狂热之中，绝望地为脱欧后的世界重塑自己：在文化之城之后，谁知道文化之村将接踵而至？

2020年考研真题（英语一）阅读理解 Section Ⅱ

考研It is speculated that gardens arise from a basic need in the individuals who made them: the need for creative expression.

据推测，园林起源于造园者的一个基本需求：对创造性表达的需求。

2013年考研翻译原文

考研But Dr Uri Simonsohn speculated that an inability to consider the big picture was leading decision-makers to be biased by the daily samples of information they were working with.

但Uri Simonsohn博士推测，无法考虑大局的主要原因是决策者对日常工作的信息有偏见。

2013年考研真题（英语一）完形填空 Section Ⅰ

四级The researchers speculate that craft activities promote the development of nerve pathways in the brain that help to maintain cognitive health.

研究人员推测，手工艺活动促进大脑神经通路的发展，有助于维持认知健康。

2017年12月四级真题（第三套）阅读 Section B

六级She speculated that professors might try even harder to make classes interesting if they were to compete with the devices.

她推测，如果要与这些设备竞争，教授们可能会更加努力地让课堂变得有趣。

2013年6月阅读原文

考研” The scientist has been shocked at having even been asked to speculate.

这位科学家甚至被要求进行推测，这让他感到震惊。

1999年全国攻读硕士学位研究生入学考试英语试题