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单词拼写：
rational
音标发音：
[ˈræʃ(ə)nəl][ˈræʃ(ə)nəl]
速记技巧：
词根词缀法
拆：
词根-rat-计算，思考+-ion+-al
记：
ration 瑞神 + al 形容词后缀 → 好的神是理性的
英英释义：
Noun:
1.an integer or a fraction
短语词组：
rational analysis有道理的分析
rational argument合理的论点
rational choice合理的选择
rational conduct合理的行为
rational decision合理的决定
rational explanations合理的解释
rational faculty推理力
rational thought有道理的思考
记忆技巧：
rat 推定,理由 + -ion 行为,状态 + -al ...的
同义词辨析：
rational reasonable sensible【导航词义：合理的】
rationaladj.合理的，理智的
〔辨析〕
指想法、决定等基于理性判断的，也指人能冷静思考的。
〔例证〕
The project leader needs to be fully informed so he can make a rational decision.
项目负责人需要充分了解之后才可以作出合理的决定。
What he said sounds like a rational explanation.
他说的话听起来像是合理的解释。
She looks more rational now.
她现在看上去更加理智了。
reasonableadj.有道理的，合情理的
〔辨析〕
指说法、请求、问题、报价等合情合理的，侧重公平性和合理性。
〔例证〕
Reasonable requests won't be turned down.
合情合理的请求是不会被拒绝的。
Don't you think it is a perfectly reasonable question?
你不认为这个问题问得很有道理吗？
She made us a reasonable offer for the house.
她给我们开出的房价公平合理。
sensibleadj.明智的，合理的
〔辨析〕
指人及行为合理、务实且表现出良好判断力的。
〔例证〕
What I need is sensible advice rather than useless complaints.
我需要的是合理的建议而不是无用的抱怨。
It is sensible to keep a good relationship with your roommates.
和室友保持良好关系是明智的。
双语例句：
1.has dawned among the most fervent advocates of financial analysis and collective investor wisdom: markets are not always rational.
金融分析和投资者集体智慧的最热心倡导者如今有了新的认识：市场并不总是理性的。
2.His first question to the student was to ask him to sketch a theory of rational crime and punishment.
贝克尔对那位学生提的第一个问题，是让他简述一个理性犯罪及惩罚措施的理论。
3.A former European finance minister reminded me that, from a political perspective, there is nothing in it for a rational politician.
一位前欧洲国家财长提醒我，从政治角度看，理性的政治人士认为银行纾困毫无可取之处。
4.Elinor agreed to it all, for she did not think he deserved the compliment of rational opposition.
埃莉诺对此表示赞同，因为她认为这位先生值不得享受据理反驳这种恭维。
5.Therefore, the author believes that this issue needs systematical research and rational argument, so as to improve the company legislation.
因此，作者认为应当对这一问题进行系统研究和综合论证，以完善公司立法。
6.Using Rational Team concert may not be part of this, because the point is to show off working software, not the list of tasks.
使用RationalTeamConcert也许并不是其中的一部分，因为重要的一点是展示软件的性能，而不是任务的列表。
7.On the surface, this may be a rational strategy, but employees' creativity just walked out the door.
表面上看，这时一个明智的做法，但是这样雇员的创造力正悄悄溜走。
8.Such a rational design can bring about endless charm, and be bound to shake off the obsession of tabloid.
如此理性的设计带来的建筑魅力将是无穷的，必将脱离平庸和媚俗的困扰……。
9.It is often this irrational behavior to make rational explanation.
人们常常对此不理性的行为做出理性的解释。
10.Though science likes to think of itself as rational, it is just as prone to fads and assumptions as any other human activity.
尽管科学自认为理性，但它和其他人类活动一样易于随大流、做臆断。
全部四级六级高考考研例句：
The author thinks her friend made a rational decision in choosing a more hospitable place over an apparently elegant assisted living home.
出自-2016年6月阅读原文
Based on what is emerging from some of this research, that might have been as rational a way as any to reach a decision.
出自-2016年6月阅读原文
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.
出自-2013年6月阅读原文
They help people make rational choices
出自-2013年6月阅读原文
Guiding people to make rational choices about food.
出自-2013年6月阅读原文
We need to think about the rational use of health care.
出自-2012年12月阅读原文
They are always polite and rational people.
2017年12月四级真题（第二套）听力 section B
本文参考文献：
1 http://www.mcb5.cn/the
2 http://www.mcb5.cn/a
3 http://www.mcb5.cn/to
4 http://www.mcb5.cn/and
5 http://www.mcb5.cn/of
6 http://www.mcb5.cn/in
7 http://www.mcb5.cn/is
8 http://www.mcb5.cn/that
9 http://www.mcb5.cn/you
10 http://www.mcb5.cn/it
11 http://www.mcb5.cn/for
12 http://www.mcb5.cn/on
13 http://www.mcb5.cn/with
14 http://www.mcb5.cn/are
15 http://www.mcb5.cn/be
16 http://www.mcb5.cn/what
17 http://www.mcb5.cn/have
18 http://www.mcb5.cn/as
19 http://www.mcb5.cn/my
20 http://www.mcb5.cn/at
核心重点高频常考单词-rational的发音/词性词义/用法/同近反义词/记忆法/词根词缀/高级替换词/中英文例句-秒词邦免费背单词赚钱微信小程序
单词拼写：
rational
音标发音：
[ˈræʃ(ə)nəl][ˈræʃ(ə)nəl]
速记技巧：
词根词缀法
拆：
词根-rat-计算，思考+-ion+-al
记：
ration 瑞神 + al 形容词后缀 → 好的神是理性的
英英释义：
Noun:
1.an integer or a fraction
短语词组：
rational analysis有道理的分析
rational argument合理的论点
rational choice合理的选择
rational conduct合理的行为
rational decision合理的决定
rational explanations合理的解释
rational faculty推理力
rational thought有道理的思考
记忆技巧：
rat 推定,理由 + -ion 行为,状态 + -al ...的
同义词辨析：
rational reasonable sensible【导航词义：合理的】
rationaladj.合理的，理智的
〔辨析〕
指想法、决定等基于理性判断的，也指人能冷静思考的。
〔例证〕
The project leader needs to be fully informed so he can make a rational decision.
项目负责人需要充分了解之后才可以作出合理的决定。
What he said sounds like a rational explanation.
他说的话听起来像是合理的解释。
She looks more rational now.
她现在看上去更加理智了。
reasonableadj.有道理的，合情理的
〔辨析〕
指说法、请求、问题、报价等合情合理的，侧重公平性和合理性。
〔例证〕
Reasonable requests won't be turned down.
合情合理的请求是不会被拒绝的。
Don't you think it is a perfectly reasonable question?
你不认为这个问题问得很有道理吗？
She made us a reasonable offer for the house.
她给我们开出的房价公平合理。
sensibleadj.明智的，合理的
〔辨析〕
指人及行为合理、务实且表现出良好判断力的。
〔例证〕
What I need is sensible advice rather than useless complaints.
我需要的是合理的建议而不是无用的抱怨。
It is sensible to keep a good relationship with your roommates.
和室友保持良好关系是明智的。
双语例句：
1.has dawned among the most fervent advocates of financial analysis and collective investor wisdom: markets are not always rational.
金融分析和投资者集体智慧的最热心倡导者如今有了新的认识：市场并不总是理性的。
2.His first question to the student was to ask him to sketch a theory of rational crime and punishment.
贝克尔对那位学生提的第一个问题，是让他简述一个理性犯罪及惩罚措施的理论。
3.A former European finance minister reminded me that, from a political perspective, there is nothing in it for a rational politician.
一位前欧洲国家财长提醒我，从政治角度看，理性的政治人士认为银行纾困毫无可取之处。
4.Elinor agreed to it all, for she did not think he deserved the compliment of rational opposition.
埃莉诺对此表示赞同，因为她认为这位先生值不得享受据理反驳这种恭维。
5.Therefore, the author believes that this issue needs systematical research and rational argument, so as to improve the company legislation.
因此，作者认为应当对这一问题进行系统研究和综合论证，以完善公司立法。
6.Using Rational Team concert may not be part of this, because the point is to show off working software, not the list of tasks.
使用RationalTeamConcert也许并不是其中的一部分，因为重要的一点是展示软件的性能，而不是任务的列表。
7.On the surface, this may be a rational strategy, but employees' creativity just walked out the door.
表面上看，这时一个明智的做法，但是这样雇员的创造力正悄悄溜走。
8.Such a rational design can bring about endless charm, and be bound to shake off the obsession of tabloid.
如此理性的设计带来的建筑魅力将是无穷的，必将脱离平庸和媚俗的困扰……。
9.It is often this irrational behavior to make rational explanation.
人们常常对此不理性的行为做出理性的解释。
10.Though science likes to think of itself as rational, it is just as prone to fads and assumptions as any other human activity.
尽管科学自认为理性，但它和其他人类活动一样易于随大流、做臆断。
全部四级六级高考考研例句：
The author thinks her friend made a rational decision in choosing a more hospitable place over an apparently elegant assisted living home.
出自-2016年6月阅读原文
Based on what is emerging from some of this research, that might have been as rational a way as any to reach a decision.
出自-2016年6月阅读原文
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.
出自-2013年6月阅读原文
They help people make rational choices
出自-2013年6月阅读原文
Guiding people to make rational choices about food.
出自-2013年6月阅读原文
We need to think about the rational use of health care.
出自-2012年12月阅读原文
They are always polite and rational people.
2017年12月四级真题（第二套）听力 section B
本文参考文献：
1 http://www.mcb5.cn/the
2 http://www.mcb5.cn/a
3 http://www.mcb5.cn/to
4 http://www.mcb5.cn/and
5 http://www.mcb5.cn/of
6 http://www.mcb5.cn/in
7 http://www.mcb5.cn/is
8 http://www.mcb5.cn/that
9 http://www.mcb5.cn/you
10 http://www.mcb5.cn/it
11 http://www.mcb5.cn/for
12 http://www.mcb5.cn/on
13 http://www.mcb5.cn/with
14 http://www.mcb5.cn/are
15 http://www.mcb5.cn/be
16 http://www.mcb5.cn/what
17 http://www.mcb5.cn/have
18 http://www.mcb5.cn/as
19 http://www.mcb5.cn/my
20 http://www.mcb5.cn/at
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