reason is

Well, part of the reason is that they made grading simpler during a time of great change for schools.

好吧，部分原因在于，当学校经历巨大变革时，他们把评分制度改得更简单了。

中考真题- 2018 北京 阅读表达

The reason is that it turns us from dumb animals into artists.

因为它把我们从愚蠢的动物变成了艺术家。

中考真题- 2017 山西 七选五

Although many anti-proliferation drugs have good effects in animal experiments the clinical uses of them have depressed us. An important reason is that they could not reach the sufficient concentration at local vascular vessel by systemic therapy.

许多抗细胞增殖药物虽在动物实验中取得了较好的效果，但在临床实践中却没有达到预期的疗效，一个重要的原因是全身给药很难在病变血管局部达到持续有效的药物浓度。

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One reason doctors take temperatures is to cover themselves against negligence claims.

医生测量体温的一个原因是免得被指玩忽职守而遭受索赔。

《牛津高阶英汉双解词典》

One reason is absolute economic performance.

纯粹的经济表现是理由之一.

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Ultimate reason is that there is not breakthrough in the theory methods of system's knowledge express and management The problem that expert system must solve is that how to acquire inexact knowledge and relation, at the basis of which, a correct conclusion must be drawn.

其根本原因在于系统的知识表示和处理的理论方法上没有取得突破。如何获得不准确或不确切的知识和关系，并在此基础上做出正确的结论就成为专家系统所需要解决的一个问题。

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They have reason to believe that he is lying.

他们有理由认为他是在撒谎。

《牛津高阶英汉双解词典》

The reason is simply that it's a bright star.

原因很简单,因为它是一颗极亮的星.

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Kant's antinomies is the logical conclusion of his Critique of Pure Reason, and is the logical premise of his Critique of Practical Reason.

康德的二律背反是他的认识论《纯粹理性批判》推演的逻辑结论，又是《实践理性批判》的逻辑前提。

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The primal reason is, sure, usually is pain, such as fire, such as awn of wheat saturated with sunlight, such as eternal parting;

根本的原因是，真的，通常是痛的，比如火，比如浸染了阳光的麦芒，比如诀别；

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Frank: This is one of the reasons. Another main reason is that humans cut down lots of bamboo forests, and pandas don't have enough food to eat.

弗兰克：这是一个原因，另一个主要原因是人类砍伐了大量的竹林，导致熊猫没有足够的食物可吃。

中考真题- 2016 吉林 情景对话A

One reason is the stable price of most commercial tree species in tropical forests.

原因之一是热带森林的大多数商业树种的价格平稳少变.

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The main reason reason the juveniles commit crimes is those social environment is becoming worse.

例︰青青少年犯罪的主要理由是大部分人里成员环境日一败坏.

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The basic logical law of the argumentation of thinking is the law of sufficient reason. The law of sufficient reason is the first basic law of the logical thinking, and it's formal theorem is MP rule ( i.e.the rule of detachment).

反映思维论证性的逻辑基本规律是充足理由律，而且充足理由律是逻辑思维的第一位的基本规律，其形式语言表达式（形式定理）是MP规则（即分离规则）

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The reason why the injection needs repeating every year is that the virus changes.

每年需要重新注射的原因是这病毒经常变化。

《牛津高阶英汉双解词典》

The shear strength of the perforated brick masonry is much higher than which of ordinary brick masonry is indicated in the shear experiment. The mainly reason of mortar's pin key action and the second reason of cementing bond difference between brick and mortar are found.

受剪试验表明多孔砖砌体抗剪强度高于普通砖砌体抗剪强度，主要原因是砂浆的销键作用，其次是砂浆与块体的粘结力的差异。

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Faith is stronger than reason.

信仰比理智更有力。

《牛津高阶英汉双解词典》

The first reason is climate change.

第一个原因是气候变化。

中考真题- 2015 江西 阅读C

One reason is simply that insolvent companies still need money to function;

原因很简单，申请破产的企业行使职能也是需要资金的；

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The reason is that a buzzard always begins a flight from the ground with a run of ten to twelve feet.

原因是秃鹫从地面起飞前总要先助跑10～12英尺的距离。

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The reason is that so many people were being sued for trying to help that people became afraid to get involved.

如此多的人因为尽力帮助别人反遭控诉，这导致人们不愿卷入麻烦。

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A third reason is that social intelligence ．

第三个原因是社会智慧。

高考真题- 2016 江苏 阅读B

The reason is blindingly obvious .

原因十分明显。

《牛津高阶英汉双解词典》

One A major reason is prematurality the death rates are among the highest in the world.

一个主要的原因是早产,其死亡率在全球是最高的.

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Dalian City high school students do not like martial arts class on the most important reason is the lack of confrontation.

大连市中学生不喜欢上武术课的最主要原因是缺乏对抗性。

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The reason is blindingly obvious.

原因十分明显。

《牛津高阶英汉双解词典》

The reason is that the shortest dependency path has noise interference brought by the appositive dependency relation. The noise information not only increases the complexity of the syntax tree representation, but also hampers the recognition and judgment of a classifier.

原因是最短依存路径上存在同位语依存关系带来的噪音干扰，这种噪音信息不仅增加了句法树表示的复杂性，而且会妨碍分类器的识别和判断。

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The reason is the books I bought don't have a due date!

因为买的书不用到期归还！

中考真题- 2015 云南 阅读C

The main reason reason juveniles commit crimes is those social environment is becoming worse.

例?青青少年犯罪的主要理由是外面世纪环境日一败坏.

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Part of the reason is high unemployment , which discourages couples families.

造成这种现象的部分原因是高失业率阻碍了人们结婚生子.

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