四级They are always polite and rational people.

他们总是有礼貌和理性的人。

2017年12月四级真题（第二套）听力 Section B

四级Based on what is emerging from some of this research, that might have been as rational a way as any to reach a decision.

根据一些研究的结果，这可能是一种理性的决策方式。

2016年6月阅读原文

四级In contrast," the researchers continue, "many regulations that don't assume people make rational choices have been successfully applied to control alcohol, a substance — like food — of which immoderate consumption leads to serious health problems.

相反，“研究人员继续说，”许多不假设人们做出理性选择的规定已经成功地应用于控制酒精，一种类似食物的物质，过度消费会导致严重的健康问题。

2013年6月阅读原文

四级The author thinks her friend made a rational decision in choosing a more hospitable place over an apparently elegant assisted living home.

作者认为她的朋友做出了一个理性的决定，选择了一个更友好的地方，而不是一个看似优雅的辅助生活之家。

2016年6月阅读原文

四级They help people make rational choices

它们帮助人们做出理性的选择

2013年6月阅读原文

四级Guiding people to make rational choices about food.

引导人们对食物做出理性的选择。

2013年6月阅读原文

六级Perhaps, if we continue to improve information-processing machines, we'll soon have helpful rational assistants.

也许，如果我们继续改进信息处理机器，我们很快就会有有用的rational助手。

2019年6月六级真题（第三套）阅读 Section C

六级And if we're not going to make rational decisions about the future, others may have to help us to do so.

如果我们不打算对未来做出理性的决定，其他人可能不得不帮助我们这样做。

2015年12月阅读原文

六级This mission depends on traditions of rational discourse and vigorous defense of the scientific method.

这一使命取决于理性论述的传统和对科学方法的有力辩护。

2014年6月阅读原文

六级Though I have an open mind toward the craze on certificates, I suggest that students should be more rational when it comes to certificates, since they do not necessarily tell their ability.

尽管我对证书热持开放态度，但我建议学生在证书问题上应该更加理性，因为他们不一定能说出自己的能力。

2011年6月英语六级真题

六级From my point of view, we should be more rational when it comes to certificates, since certificates do not necessarily prove one's ability.

在我看来，在证书问题上，我们应该更加理性，因为证书不一定能证明一个人的能力。

2011年6月英语六级真题

四级We need to think about the rational use of health care.

我们需要考虑合理使用医疗保健。

2012年12月大学英语四级真题（2）

四级"In contrast," the researchers continue, "many regulations that don't assume people make rational choices have been successfully applied to control alcohol, a substance like food--of which immoderate consumption leads to serious health problems. "

“相比之下，”研究人员继续说道，“许多不认为人们会做出理性选择的规定已经成功地应用于控制酒精，这是一种与食物类似的物质，过度饮酒会导致严重的健康问题。”

2013年6月大学英语四级考试真题(第2套)

四级“In contrast,” the researchers continue, “many regulations that don’t assume people make rational choices have been successfully applied to control alcohol, a substance — like food — of which immoderate consumption leads to serious health problems.

“相比之下，”研究人员继续说道，“许多不假设人们做出理性选择的法规已经成功地应用于控制酒精，这种物质与食物一样，过度消费会导致严重的健康问题。”。

2013年 6月大学英语四级考试真题

四级"In contrast," the researchers continue, "many regulations that don't assume people make rational choices have been successfully applied to control alcohol, a substance -- like food -- of which immoderate consumption leads to serious health problems. "

“相比之下，”研究人员继续说道，“许多不假设人们做出理性选择的法规已经成功地应用于控制酒精，这种物质与食物一样，过度消费会导致严重的健康问题。”

2013年 6月大学英语四级考试真题

四级“In contrast,” the researchers continue, “ many regulations that don’t assume people make rational choices have been successfully applied to control alcohol, a substance—like food—of which immoderate consumption leads to serious health problems.

“相比之下，”研究人员继续说道，“许多不假设人们做出理性选择的法规已经成功地应用于控制酒精，这种物质与食物一样，过度消费会导致严重的健康问题。”。

2015年6月大学英语四级考试真题（第3套)

四级Based on what is emerging from some of this research, that might have been as rational a way as any to reach a decision.

根据这项研究的结果，这可能是做出决定的最合理的方式。

2016年6月大学英语四级真题（第1套）