如何备考GRE阅读

17天搞定gre时间表准备GRE考试是一项需要充分规划和准备的任务。

对于许多考生来说，时间管理是成功备考的关键因素之一。

在这篇文章中，我将为大家提供一个17天搞定GRE的时间表，帮助你合理安排每天的学习和复习计划，以便在考试中取得好成绩。

第1天-3天：了解考试内容和结构在这几天里，你需要花时间了解GRE考试的内容和结构。

阅读官方指南，了解考试的各个部分，包括数学、写作和阅读理解。

熟悉考试的题型和要求，这将帮助你更好地制定学习计划。

第4天-7天：数学基础复习在这几天里，你应该集中复习数学基础知识。

回顾数学的各个概念和公式，做一些基础的数学练习题，以便巩固你的数学基础。

如果你发现自己在某些概念上有困难，可以寻求辅导或参考相关的数学教材。

第8天-11天：阅读理解和写作练习在这几天里，你应该集中练习阅读理解和写作。

阅读一些GRE考试常见的文章，练习阅读理解题目。

同时，多写一些GRE写作题目，锻炼你的写作能力。

可以请教老师或朋友对你的写作进行评估和建议，以便提高你的写作水平。

第12天-15天：模拟考试和错题复习在这几天里，你应该进行一些模拟考试，并对错题进行复习。

模拟考试可以帮助你熟悉考试的时间限制和答题方式，同时也可以评估你的备考进展。

对于错题，你需要仔细分析错误的原因，并找出解题的方法和技巧。

这样可以帮助你避免类似的错误，并提高你的答题准确率。

第16天-17天：最后的复习和放松在最后的两天里，你应该进行最后的复习和放松。

回顾你之前的学习和复习内容，再次强化你的知识点。

同时，也要给自己一些时间放松和休息，以便在考试前保持良好的状态和精神状态。

以上是一个17天搞定GRE的时间表，希望能帮助到正在备考GRE 的考生们。

记住，合理的时间管理和坚持不懈的努力是成功备考的关键。

祝愿大家都能在考试中取得优异的成绩！。

GRE阅读入门新手攻略教程GRE阅读入门新手攻略教程做到这3点才算打好基础阅读的根本是词汇量词汇是一切英语考试的基础，对于GRE阅读来说自然也是必不可少的。

GRE阅读中会出现大量生词新词，有一些无关紧要，但还有不少则会直接影响考生对于题目的了解，简单来说，看不懂根本就没办法答题。

因此，提升拓展GRE词汇量是必须的，是做好GRE阅读的基础所在。

对于词汇基础比较薄弱的考生来说，可以先从托福词汇背起;而对于有一定词汇基础的考生来说，可以直接学习GRE词汇。

比较不错的GRE词汇书有GRE红宝书、要你命三千系列，其他词汇书还有很多，大家可以根据自己的背诵习惯，比如逆序、乱序等方法选择对应版本，以免自己记住了词汇的位置，在其他地方见到时仍旧不认识的尴尬。

之后大家可以根据自己的情况制定适合自己的背词计划。

同时千万不要放松对已背单词的复习，要学会温故而知新。

对于词汇书的选择，一定要根据自己的基础，选择合适的词汇书。

同时考生可以选择对词汇的用法、释义有精准把握，对GRE考试有深远的洞察力的书籍。

语法过关才能看懂文章对于语法基础不好的考生来说，一定要先巩固语法。

因为GRE 阅读考试最大的难点就是长难句。

长难句不仅会出现在文章中影响大家的了解，还会出现在题目里给考生增加难度，假如大家面对长难句看得云里雾里，那么想要做好阅读就很有难度了。

因此，考生需要侧重对长难句进行复习。

首先可以挑选一些简单的句子进行主干分析，等简单句子主干分析没有问题之后，再进入长难句的分析每天背完单词之后，用一个小时的时间来补习语法知识，再用一个小时的时间练习分析句子。

这样词汇和长难句的问题就可以迎刃而解了。

GRE阅读题型技巧需了解。

GRE阅读高分考生分享备考提升诀窍GRE阅读高分考生共享备考有用提升诀窍,我们一起来学习一下吧，下面我就和大家共享，来观赏一下吧。

GRE阅读高分考生共享备考有用提升诀窍GRE阅读练习要掌握时间平常练习GRE阅读，就要从掌握时间开头，这样才能更好的适应考试节奏。

详细来说，阅读复习掐时间读一篇文章，长文章1.5—2分钟，短文章1—1.5分钟，然后以平均每题1分钟的速度解完后面的题。

留意是“平均”,即你只要掌握在比如7题在7分钟内作完即可。

GRE阅读练习要学会时时总结不少人喜爱拿到练习备考材料就埋头苦练，对于自己做错的题目缺很少总结，最终就会消失同类题目一错再错的低效率重复劳动。

学会时时总结，对自己做错的每道题目都分析错误缘由，了解为什么会错，错在哪里。

才能有效提高做题效率，提升阅读水平。

GRE阅读练习要精度重点文章GRE阅读复习的时候，对于有些真题类或比较有代表性的题目文章最好不计时间地认真讨论一遍，主要讨论层次结构,起承转合,语言套路及选项特征等内容，对该类型的文章心中有数，之后遇到同类文章就能快速找出答题点快速解决难题。

GRE阅读练习学会分析题目和解题思路做完每道题，不论作对或作错,想一下此题的解题思路是什么,是否具有多种解题方案,自己距离某种解题方案还有什么缺陷或不足,什么样的方法最适合自己，最短的解题思路又是什么。

对于每道题的五个选项都找出对或错的理由来，肯定要是让自己信服的理由。

可能有人达到肯定高度觉得没必要,太费时,但是有些看来现在很友好的错误项只要稍加变动就会面目全非。

所以肯定要认真看过,找到它的弱点和难点才行。

以上就是一些GRE阅读快速提高的方法和技巧，大家在平常做题时可以善加利用，提高自己的备考效率，早日攻克GRE阅读难关。

GRE阅读练习每日一篇Classical physics defines the vacuum as a state of absence: a vacuum is said to exist in a region of space if there is nothing in it. In the quantum field theories that describe the physics of elementary particles, the vacuum becomes somewhat more complicated. Even in empty space, particles can appear spontaneously as a result of fluctuations of the vacuum. For example, an electron and a positron, or antielectron, can be created out of the void. Particles created in this way have only a fleeting existence; they are annihilated almost as soon as they appear, and their presence can never be detected directly. They are called virtual particles in order to distinguish them from real particles, whose lifetimes are not constrained in the same way, and which can be detected. Thus it is still possible to define that vacuum as a space that has no real particles in it.One might expect that the vacuum would always be the state of lowest possible energy for a given region of space. If an area is initially empty and a real particle is put into it, the total energy, it seems, should be raised by at least the energy equivalent of the mass of the added particle. A surprising result of some recent theoretical investigations is that this assumption is not invariably true. There are conditions under which the introduction of a real particle of finite mass into an empty region of space can reduce the total energy. If the reduction in energy is great enough, an electron and a positron will be spontaneously created. Under these conditions the electron and positron are not a result of vacuum fluctuations but are real particles, which exist indefinitely andcan be detected. In other words, under these conditions the vacuum is an unstable state and can decay into a state of lower energy; i.e., one in which real particles are created.The essential condition for the decay of the vacuum is the presence of an intense electric field. As a result of the decay of the vacuum, the space permeated by such a field can be said to acquire an electric charge, and it can be called a charged vacuum. The particles that materialize in the space make the charge manifest. An electric field of sufficient intensity to create a charged vacuum is likely to be found in only one place: in the immediate vicinity of a superheavy atomic nucleus, one with about twice as many protons as the heaviest natural nuclei known. A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum. Experiments attempting to achieve this are now under way (under way: adv.进行中, 在行进).17. Which of the following titles best describes the passage as a whole?(A) The Vacuum: Its Fluctuations and Decay(B) The Vacuum: Its Creation and Instability(C) The Vacuum: A State of Absence(D) Particles That Materialize in the Vacuum(E) Classical Physics and the Vacuum18. According to the passage, the assumption that the introduction ofa real particle into a vacuum raises the total energy of that region of space has been cast into doubt by which of the following?(A) Findings from laboratory experiments(B) Findings from observational field experiments(C) Accidental observations made during other experiments(D) Discovery of several erroneous propositions in accepted theories(E) Predictions based on theoretical work19. It can be inferred from the passage that scientists are currently making efforts to observe which of the following events?(A) The decay of a vacuum in the presence of virtual particles(B) The decay of a vacuum next to a superheavy atomic nucleus(C) The creation of a superheavy atomic nucleus next to an intense electric field(D) The creation of a virtual electron and a virtual positron as a result of fluctuations of a vacuum(E) The creation of a charged vacuum in which only real electrons can be created in the vacuum’s region of space20. Physicists’ recent investigations of the decay of the vacuum, as described in the passage, most closely resemble which of the following hypothetical events in other disciplines?(A) On the basis of data gathered in a carefully controlled laboratory experiment, a chemist predicts and then demonstrates the physical properties of a newly synthesized polymer.(B) On the basis of manipulations of macroeconomic theory, an economist predicts that, contrary to accepted economic theory, inflation and unemployment will both decline under conditions of rapid economic growth.(C) On the basis of a rereading of the texts of Jane Austen’s novels, a literary critic suggests that, contrary to accepted literary interpretations. Austen’s plots were actually metaphors for political events in early nineteenth-century England.(D) On the basis of data gathered in carefully planned observations of several species of birds, a biologist proposes a modification in the accepted theory of interspecies competition.(E) On the basis of a study of observations incidentally recorded in ethnographers’ descriptions of non-Western societies, an anthropologist proposes a new theory of kinship relations.21. According to the passage, the author considers the reduction of energy in an empty region of space to which a real particle has been added to be(A) a well-known process(B) a frequent occurrence(C) a fleeting aberration(D) an unimportant event(E) an unexpected outcome22. According to the passage, virtual particles differ from real particles in which of the following ways?I. Virtual particles have extremely short lifetimes.II. Virtual particles are created in an intense electric field.III. Virtual particles cannot be detected directly.(A) I only(B) II only(C) III only(D) I and II only(E) I and III only23. The author’s assertions concerning the conditions that lead to the decay of the vacuum would be most weakened if which of the following occurred?(A) Scientists created an electric field next to a vacuum, but found that the electric field was not intense enough to create a charged vacuum.(B) Scientists assembled a superheavy atomic nucleus next to a vacuum, but found that no virtual particles were created in the vacuum’s region of space.(C) Scientists assembled a superheavy atomic nucleus next to a vacuum, but found that they could not then detect any real particles in the vacuum’s region of space.(D) Scientists introduced a virtual electron and a virtual positron into a vacuum’s region of space, but found that the vacuum did not thenfluctuate.(E) Scientists introduced a real electron and a real positron into a vacuum’s region of space, but found that the total energy of the space increased by the energy equivalent of the mass of the particles.Simone de Beauvoir’s work greatly influenced BettyFriedan’s—Indeed, made it possible. Why, then, was it Friedan who became the prophet of women’s emancipation in the United States? Political conditions, as well as a certain anti-intellectual bias, prepared Americans and the American media to better receive Friedan’s deradicalized and highly pragmatic The Feminine Mystique, published in 1963, than Beauvoir’s theoretical reading of women’s situation in The Second Sex. In 1953 when The Second Sex first appeared in translation in the United States, the country had entered the silent, fearful fortress of the anticommunist McCarthy years (1950-1954), and Beauvoir was suspected of Marxist sympathies. Even The Nation, a generally liberal magazine, warned its readers against “certain political leanings” of the author. Open acknowledgement of the existence of women’s oppression was too radical for the United States in the fifties, and Beauvoir’s conclusion, that change in women’s economic condition, though insufficient by itself, “remains the basic factor” in improving women’s situation, was particularly unacceptable.24. According to the passage, one difference between The Feminine Mystique and The Second Sex is that Friedan’s book(A) rejects the idea that women are oppressed(B) provides a primarily theoretical analysis of women’s lives(C) does not reflect the political beliefs of its author(D) suggests that women’s economic condition has no impact ontheir status(E) concentrates on the practical aspects of the questions of women’s emancipation25. The author quotes from The Nation most probably in order to(A) modify an earlier assertion(B) point out a possible exception to her argument(C) illustrate her central point(D) clarify the meaning of a term(E) cite an expert opinion26. It can be inferred from the passage that which of the following is not a factor in the explanation of why The Feminine Mystique was received more positively in the United States than was The Second Sex?(A) By 1963 political conditions in the United States had changed.(B) Friedan’s book was less intellectual and abstract than Beauvoir’s.(C) Readers did not recognize the powerful influence of Beauvoir’s book on Friedan’s ideas.(D) Friedan’s approach to the issue of women’s emancipation was less radical than Beauvoir’s.(E) American readers were more willing to consider the problem of the oppression of women in the sixties than they had been in the fifties.27. According to the passage, Beauvoir’s book asserted that the status of women(A) is the outcome of political oppression(B) is inherently tied to their economic condition(C) can be best improved under a communist government(D) is a theoretical, rather than a pragmatic, issue(E) is a critical area of discussion in Marxist economic theory答案：17-27：AEBBEECECCB。

gre双线阅读法青山GRE双线阅读法是一种高效的阅读理解技巧，旨在帮助考生更好地应对GRE考试中的阅读理解部分。

本文将介绍GRE双线阅读法的基本原理和具体操作步骤，并分享一些技巧和建议。

GRE双线阅读法的基本原理是利用双线阅读的方式，将文章分为主线和副线，分别读取和理解。

主线通常是文章的主旨和核心内容，而副线则是文章的细节和例子。

通过将注意力集中在主线上，可以更快地掌握文章的要点和逻辑结构，从而提高解题效率。

下面是GRE双线阅读法的具体操作步骤：第一步：快速浏览文章在阅读一篇GRE阅读理解文章之前，首先要进行快速浏览。

快速浏览的目的是获得对文章的整体了解，找出文章的主题和段落结构。

可以通过阅读第一句话和每段的第一句话来抓住文章的主线。

第二步：划分主线和副线根据你在快速浏览中获得的信息，将文章划分为主线和副线。

主线一般贯穿全文，包含文章的核心概念和论点，而副线则是主线的补充和支持，包含具体的例子和细节。

第三步：重点阅读主线在阅读文章时，将重点放在主线上。

仔细阅读主线段落，理解作者的观点、论证和举例。

可以将主要观点和例子用笔记或摘录的方式记下来，以便后续的复习和理解。

第四步：把握副线信息虽然副线不如主线重要，但也不能忽视。

在阅读副线段落时，注意理解例子、细节和解释，以便更好地支持主线。

可以将重要的副线信息标记出来，方便后续的复习和查找。

第五步：攻克题目完成对文章的阅读之后，就可以着手解答相关的问题了。

在回答问题时，首先要仔细阅读问题和选项，然后回到文章中找到相关的主线和副线信息进行匹配。

记住，答案通常可以在文章中找到，不要过度推理或猜测答案。

除了以上的基本步骤，还有一些技巧和建议可以帮助你更好地运用GRE双线阅读法：1.预估答案：在阅读问题之前，可以先尝试预估答案，然后在文章中找到相关的信息进行验证。

这样可以提高解答问题的效率和准确性。

2.多种表达方式：考虑到文章中可能会用不同的词汇和表达方式来描述同一个概念或论点，需要注意观察和理解这种变化。

GRE阅读理解常见题型解析GRE 考试对于想要赴美留学深造的学子来说，是一道重要的关卡。

其中，阅读理解部分更是令不少考生感到棘手。

为了帮助大家更好地应对这一部分，下面将对 GRE 阅读理解常见的题型进行详细解析。

一、主旨题主旨题是 GRE 阅读理解中最常见的题型之一。

这类题目旨在考察考生对文章整体主旨的把握能力。

通常，主旨题的提问方式会类似于：“这篇文章的主要内容是什么？”或者“文章的主旨是？”解答主旨题的关键在于对文章的整体结构和核心观点有清晰的理解。

首先，要快速浏览文章的开头、结尾以及每段的首句，这些地方往往会包含关键的信息。

同时，注意文中反复出现的关键词或主题词，它们通常能够揭示文章的核心议题。

例如，如果一篇文章主要围绕“人工智能在医疗领域的应用”展开，那么“人工智能”和“医疗领域”就是关键的主题词。

二、细节题细节题在 GRE 阅读理解中所占比例较大。

这类题目主要考查考生对文章具体细节的记忆和理解。

常见的提问方式有：“文中提到______的原因是？”或者“根据文章，＿_____的特点是？”在回答细节题时，首先需要根据题目中的关键词定位到文章中的相关段落，然后仔细阅读该部分内容，从中筛选出与题目相关的信息。

需要注意的是，有时候选项中的表述可能与原文相似但并不完全一致，这就需要考生仔细辨别，确保所选答案与原文的意思完全相符。

三、推理题推理题要求考生根据文章所提供的信息进行合理的推理和判断。

其提问方式可能是：“从文章中可以推断出？”或者“作者暗示？”解答推理题时，不能凭空想象或过度推测，所有的推理都应该基于文章中的已有信息。

同时，要注意推理的逻辑合理性，避免走入思维误区。

比如，如果文章中提到某种现象在过去几年逐渐增多，那么可以合理推断在未来这种趋势可能会继续或者产生一定的影响。

四、词汇题词汇题主要考察考生对词汇在特定语境中的理解。

题目形式通常为：“文中‘＿_____’一词最接近的意思是？”对于词汇题，不能仅仅依靠对词汇的常见释义来解答，而要结合文章的上下文来判断该词汇在特定语境中的准确含义。

GRE阅读备考经验分享：要学会取舍和做好标记如何在GRE考试时提高阅读题的做题速度，始终是许多考生盼望解决的问题。

长篇大论的文章不仅拖慢了我们的做题速度，许多无用信息还干扰答题。

今日，我找来了备考阅历，教你如何取舍和做标记。

1、一句话只看一遍，充分利用自己的语法学问，时刻把握句子主干，修饰成分要毫无感觉得快速浏览。

2、做标记除了大写字母、时间年月、最高级、转折标志词、因果标志词、列举、让步、强对比以外，还要标记出并列连接词、分号、冒号、表示看法的词，缘由我会在下面的取舍中谈到。

我的做标记的小窍门：标记符号不要只用一种，也不要过多，个人感觉最多三种，分别标记缘由、转折和其他，不过我自己只用下划线和括号。

3、肯定要取舍。

我以前的标准是：a〕让步分句一律跳过，只看后半个分句；b〕such as后的内容一律跳过，也用括号括起来，不过我会数数列举的个数，假如是4个，则必出题，其他个数不用管，出题了再回头看；c〕for example举例只要提炼关键词的首字母就可以了，也要括起来，重点看后面或前面的结论。

d〕缘由标志词常为because、since一律跳过，括起来，只看结果。

比较简单被忽视的是result in和result from，遇到这两个，我在下面划横线做标记。

e〕老观点只把握关键词、知道讲的是什么就行，其他一律跳过。

f〕冒号后一律跳过，冒号下做标记。

g〕分号后一律跳过，因为表示并列，内容和前面大体一致，分号做标记，出题的话再回来看。

我如今的标准是：上面这些全看，因为速度上来了，但看这些内容时仍旧是"毫无感觉'地看，可以不用担忧它们会分散留意力了。

当这些内容都做标记后，文章结构就特别清晰了，哪儿是举例、哪儿是结论、哪儿是缘由、哪儿是转折一目了然，定位特别简单。

4.我的提高阅读速度的不二法门：反复阅读已经读过的文章，5遍左右吧!渐渐地就会产生一种直觉，知道哪里略读哪里重读。

以上内容给考生具体介绍了GRE阅读备考要点，盼望对考生有关心，最终，我提示考生：每段首句和全文末句肯定认真看，祝考生在接下来的GRE考试中有杰出的发挥。

新GRE verbal 160+必备阅读绝杀技（7）——如何备考上期回顾。

到这里，我们再回顾一下，以后在备考中，应该注意什么问题：背单词，或者说对一个单词的掌握，有4个层次。

当看到一个单词时：Level 1——完全没印象。

Level 2——知道它的中文意思。

Level 3——知道它的英文意思，并且清楚大部分的同义、反义词。

Level 4——这个得放到阅读里阐述清楚。

真正的高手，就是那个境界：好像这篇文章是你写的一样！就好像这次阅读是你出题的一样！许多人不知道，其实现在的新GRE考试大量的文章来自于古老的GRE文章，不少还是80年代的真题，比如下面这篇，就是1986年北美的真题。

还有不少人天真的说，做36套可以适应新GRE考试，我笑而不语…如果后期真的要冲刺，适应电脑考试，完全可以做所有的新GRE的真题，对吧？再看看别人的一些阅读经验，或者一些阅读课程，干掉GRE阅读，应该还是不难的。

1986年北美真题如下：在新GRE official guide 的medium阅读练习题目里。

文章一模一样，题目也几乎一模一样。

Tocqueville, apparently, was wrong. Jacksonian America was not a fluid, egalitarian society where individual wealth and poverty were ephemeral conditions. At least so argues E. Pessen in his iconoclastic study of the very rich in the United States between 1825 and 1850.Pessen does present a quantity of examples, together with some refreshingly intelligible statistics, to establish the existence of an inordinately wealthy class. Though active in commerce or the professions, most of the wealthy were not self-made, but had inherited family fortunes. In no sense mercurial, these great fortunes survived the financial panics that destroyed lesser ones. Indeed, in several cities the wealthiest one percent constantly increased its share until by 1850 it owned half of the community's wealth. Although these observations are true, Pessen overestimates their importance by concluding from them that the undoubted progress toward inequality in the late eighteenth century continued in the Jacksonian period and that the United States was a class-ridden, plutocraticsociety even before industrialization.1.According to the passage, Pessen indicates that all of the following were true of the very wealthy in the United States between 1825 and 1850 EXCEPT:(A) They formed a distinct upper class.(B) Many of them were able to increase their holdings.(C) Some of them worked as professionals or in business.(D) Most of them accumulated their own fortunes.(E) Many of them retained their wealth in spite of financial upheavals.2.The author's attitude toward Pessen's presentation of statistics can be best described as(A) disapproving(B) shocked(C) suspicious(D) amused(E) laudatory3.Which of the following best states the author's main point?(A) Pessen's study has overturned the previously established view of the social and economic structure of early nineteenth-century America.(B) Tocqueville's analysis of the United States in the Jacksonian era remains the definitive account of this period.(C) Pessen's study is valuable primarily because it shows the continuity of the social system in the United States throughout the nineteenth century.(D) The social patterns and political power of the extremely wealthy in the United States between 1825 and 1850 are well documented.(E) Pessen challenges a view of the social and economic system in the United States from 1825 to 1850, but he draws conclusions that are incorrect.最后，记得，在这个过程里，前面提到的能力，都很重要，但最重要的能力，是：快乐！。

gre subject注意事项GRE Subject注意事项GRE Subject考试是许多学生进入研究生院的重要环节。

为了帮助考生更好地备考并顺利通过考试，下面将介绍一些GRE Subject考试的注意事项。

1. 了解考试内容和结构在备考之前，了解GRE Subject考试的内容和结构是非常重要的。

不同科目的考试可能会有不同的题型和考试时间，需要针对性地准备。

可以通过官方网站或相关资料来获取这些信息，确保备考的方向正确。

2. 制定合理的备考计划备考GRE Subject考试需要有一个合理的计划。

根据考试时间和个人情况，制定一个详细的备考计划，包括每天的学习时间、复习内容和模拟考试等。

合理安排时间，分配每个科目的复习时间，确保每个科目都有足够的时间复习。

3. 做好知识点的复习GRE Subject考试的内容非常广泛，涉及到各个学科的知识点。

在备考期间，要全面复习考试涉及的知识点，并进行重点突破。

可以根据自己的掌握情况，制定一个复习计划，侧重复习自己不熟悉或薄弱的知识点。

4. 多做练习题和模拟考试做练习题和模拟考试是备考过程中必不可少的环节。

通过做题可以熟悉考试的题型和难度，发现自己的不足之处，并及时进行纠正。

在做题过程中，要注意分析解题思路和方法，掌握解题技巧。

5. 注重对题目的理解和分析能力GRE Subject考试不仅考察考生对知识点的掌握程度，还注重考生的理解和分析能力。

在备考过程中，要注重培养自己的逻辑思维和分析问题的能力。

在做题和模拟考试时，要仔细阅读题目，理解题目的意思，并灵活运用自己的知识进行解答。

6. 注意时间管理在GRE Subject考试中，时间是非常宝贵的。

考生需要在规定的时间内完成所有的题目，因此要注重时间管理。

在备考时，可以通过模拟考试来训练自己的时间把握能力，提高做题效率和准确性。

7. 增加阅读量和积累词汇GRE Subject考试中，阅读理解和词汇量是重点考察的内容。