GRE阅读
gre阅读时间分配
gre阅读时间分配【原创版】目录1.GRE 阅读考试简介2.GRE 阅读时间分配策略3.如何提高 GRE 阅读效率4.总结正文【GRE 阅读考试简介】GRE(Graduate Record Examination)是美国教育测试服务机构(ETS)主办的一项全球性的研究生入学考试,主要用于评估非英语母语国家的学生是否具备进入美国和其他英语国家的研究生阶段学习的能力。
GRE 阅读部分是该考试的重要组成部分,主要测试考生的阅读理解、逻辑分析和批判性思维能力。
【GRE 阅读时间分配策略】在 GRE 阅读考试中,考生需要在有限的时间内完成大量的阅读任务。
因此,时间分配策略对于取得理想成绩至关重要。
一般来说,GRE 阅读考试的时间分配如下:1.阅读文章:每篇文章约需 2-3 分钟,总计约 10-15 分钟。
2.解答问题:每道题目约需 1-2 分钟,总计约 10-20 分钟。
为了确保在规定时间内完成考试,考生需要遵循以下时间分配策略:1.迅速浏览文章标题、副标题和小标题,了解文章主题和结构。
2.在阅读文章时,重点关注文章的主旨和论点,以及论据和例子。
3.在解答问题时,先回答较为简单和熟悉的题目,然后再处理较难或不熟悉的题目。
【如何提高 GRE 阅读效率】要提高 GRE 阅读效率,考生需要从以下几个方面入手:1.提高英语水平:扎实的英语基础知识是提高阅读效率的前提。
考生需要加强词汇、语法和句型结构的学习,以便更好地理解文章。
2.培养阅读习惯:在日常生活中多读书、报纸和杂志,以提高阅读速度和理解能力。
3.模拟考试:通过模拟 GRE 阅读考试,考生可以熟悉考试题型和时间分配,从而在实际考试中更加从容应对。
4.分析解题技巧:熟悉 GRE 阅读题目类型,掌握解题技巧,例如排除法、推理法等,以便快速找到正确答案。
【总结】在 GRE 阅读考试中,合理的时间分配和提高阅读效率是取得理想成绩的关键。
gre170篇阅读原文
gre170篇阅读原文the physicist rightly dreads precise argument,since an argument that is convincing only if it is precise loses all its force if the assumptions on which it is based are slightly changed,whereas an argument that is convincing though imprecise may well be stable under small perturbations of its underlying assumptions. (5+)物理学家恐惧于那些精确无误的论据不无道理,因为某种只有在它是精确无误的条件下才令人置信的论据,一旦它赖于建立其上的假设稍有变化,便会失去它一部的作用;而与此相反,一个尽管并不精确无误但却令人置信的论据,在其基本假设(underlying assumption)稍微受干扰的情况下,仍然有可能是站得住脚的。
难句类型:繁杂润色解释:本句在文章中就是一个自然段,虽然长度比不上前面第一章中所举的那个长达10行的例子,但是难度绝不在那句话之下。
本句堪称句子的大杂烩,连主句带从句居然一共有八个。
从大往小说,由whereas连接了两个大句子,whereas后面的句子中的主语an augument之后又跟了一个定语从句that is convincing though imprecise,修饰augument。
whereas前面共有六个句子,由the physicist作主语的主句;由since引导的原因状语从句,修饰since从句中主语an augument的由that引导的定语从句,此定语从句中的条件状语从句only if it is precise; since从句中的条件状语从句if the assumptions on which it is based are slightly changed,以及修饰此从句中的主语assumptions的定语从句on which it is based一共八个句子,从句套从句,实在令人叹为观止。
GRE阅读要怎么做-GRE阅读技巧总结
GRE阅读要怎么做-GRE阅读技巧总结GRE阅读的答题技巧有这些:1.中短篇阅读,要去预估答案的范围,然后再去正选选项;2.长篇阅读,理清楚每段的重点,然后逐步分清楚各个段落之间的关系;3.逻辑单题,先理清楚逻辑的漏洞,再进行预估后的解体。
1. 中短篇阅读中短阅读是 GRE 阅读中的重中之重。
因为每个题目的难度不在于文章篇幅,文章长有可能难度不高,文章短有可能极难,而在于逻辑的难度,hard section的短文章往往会浮现复杂的逻辑难度。
大部分题目绝对不是一遍读完就能顺手解决的,而是要理清楚内在的逻辑框架。
而想要确保准确率,考生必须自己能够预估答案的范围,然后再去正选选项而不是定位。
2. 长篇阅读两个计分部分的题目中,长篇阅读只占一篇,虽然数量不多,但是在450字左右,并固定会附带4道题目。
但是我们应对GRE长篇阅读的方法绝对不是放到最后再做,而是应该理清楚每段的重点,然后逐步分清楚各个段落之间的关系,提取的逻辑线条而不是具体的意思。
读的过程中,必须标注关键句做,且不必要把整篇文章精读,而是只要知道全文大意和每个段落的意思就可以,小细节依据自己的笔记再去回文定位,只有这样才可以大幅度节省下阅读的时间。
3. 逻辑单题虽然逻辑单题文章一般篇幅较短,但题目难度不来源于具体的语言长短,而是来源于内在的逻辑错误。
应对逻辑阅读的策略就是先理清楚逻辑的漏洞,分清楚是否文章含有 argument,是否有显然的 flaw 再进行预估后的解体。
想要在逻辑单题部分提速,必须提前强化逻辑思维推理推断能力,把各种逻辑常见的思维模式提前练熟,GRE考试中关于各种强化削弱评价解释等题型做到一看就知道怎么解。
3GRE阅读如何备考1.强化长难句,建议考生在正式备考之前掌握长难句的解题方法。
掌握了长难句阅读能节省很多的复习时间,训练理解长难句的能力,长难句的复习资料《杨鹏GREGMAT难句教程》,认真学完的话阅读分数能有很大提升。
GRE阅读高频机经原文及答案:雄性动物养孩子
GRE阅读高频机经原文及答案:雄性动物养孩子想必大家在备考gre考试的时候,最喜欢的就是吸取新鲜的考试真题,这样对自己的能力也是一个考验,最能检验自己目前的能力在什么水平,今天小编为大家带来的就是GRE阅读高频机经原文及答案:雄性动物养孩子!GRE阅读高频机经原文及答案:雄性动物养孩子雄性动物养孩子The main exception to primate researchers’ general pattern of ignoring interactions between males and infants has been the study of male care among monogamous primates. It has been known for over 200 years, ever since a zoologist-illustrator named George Edwards decided to watch the behavior of pet marmosets in a London garden, that among certain species of New World monkeys males contributed direct care for infants that equaled or exceeded that given by females. Mothers among marmosets and tamarins typically give birth to twins, as often as twice a year, and to ease the female in her staggering reproductive burden the male carries the infant at all times except when the mother is actually suckling it. It was assumed by Kleiman that monogamy and male confidence of paternity were essential to the evolution of such care, and at the same time, it was assumed by Symons and others that monogamy among primates must be fairly rare.Recent findings, however, make it necessary to reverse this picture. First of all, monogamy among primates turns out to be rather more frequent than previously believed (either obligate or facultive monogamy can be documented for some 17-20 percent of extant primates) and second, male care turns out to be far more extensive than previously thought and notnecessarily confined to monogamous species, according to Hrdy. Whereas previously, it was assumed that monogamy and male certainty of paternity facilitated the evolution of male care, it now seems appropriate to consider the alternative possibility, whether the extraordinary capacity of male primates to look out for the fates of infants did not in some way pre-adapt members of this order for the sort of close, long-term relationships between males and females that, under some ecological circumstances, leads to monogamy! Either scenario could be true. The point is that on the basis of present knowledge there is no reason to view male care as a restricted or specialized phenomenon. In sum, though it remains true that mothers among virtually all primates devote more time and/or energy to rearing infants than do males, males nonetheless play a more varied and critical role in infant survival than is generally realized.1. The author of the passage mentions the work of Hrdy primarily toA. present an instance of an untenable assumptionB. illustrate a consensus by citing a representative claimC. provide evidence that challenges a beliefD. highlight a corollary of a widespread viewE. offer data that help resolve a debate2. According to the passage, the evolutionary relationship between male care and monogamy isA. incontestableB. immutableC. uncommonD. immaterialE. uncertain3. The author of the passage suggests that it is “appropriateto consider the alternative possibility” because the previous viewA. results in a contradictionB. depends on problematic dataC. appears less definite given certain factsD. conflates two distinct phenomenaE. overlooks a causal relationship between correlated phenomena4. Which of the following statements, if true, would pose the grea test challenge to “the alternative possibility”?A. The number of primate species in which male care of infants is exhibited is greater than the number of primate species that practice monogamy.B. Male care of infants among primates can be seen earlier in the evolutionary record than can monogamy among primates.C. Monogamous relationships among primates can be found in species living in a variety of physical environments.D. Most primate species that practice monogamy do not show any evidence of male care of infants.E. Male care of infants can be observed in some primate species that lack male confidence of paternity.答案:CECAGRE阅读容易被你所忽视的三类词汇perspective 透视画法;观点,方法;前景,远景prospect 前景,景色;前途;勘探,寻找appreciate 理解,认识,意识到;欣赏;感激elaborate v.&adj. 精心制作,详细描述;精心制作的address v.从事,忙于;n. 演讲appropriate v. 拨给(资金),盗用/ adj.合适的strain n. 血统,品系,菌株;紧张,张力;v.扭伤,拉紧article n. 物品,商品intrigue v.&n 激发兴趣;密谋;阴谋intriguing adj. 激发兴趣的assume v. 承担,担任;假装;假设bark n. 树皮;犬吠bill n.议案,法案;鸟嘴;账单champion vt. 支持,拥护;n.冠军aging n.老化,陈酿complex n. 综合体 adj.复杂的concern n. 公司(垄断组织“康采恩”就是它的音译)attribute v.&n 归因于;特征,属性default n.&v. 不履行;违约;拖欠;默认(值)drill vt. 钻(孔);训练,操练exploit v. 开发,利用n. 功绩fair n. 集市,交易会;adj.公平的,美丽的 adv.公平地,直接地fairly adv. 相当地,公平地game n. 猎物,野味fashion vt. 形成,塑造 n.时尚,方式inviting adj. 引人注目的,吸引人的alternate v.&adj. 交替,轮流; 交替的alternating adj.交互的,交替的alternative n.&adj. 可供选择的方案(option);选择性的(optional) GRE阅读如何把握作者写作态度有利于解题1.社会现象.作者反对将社会现象拔高到阶级、政治、意识形态或超人性的高度,反对各种左派思想、革命主张和马克思主义。
2023年GRE英语真题及答案
2023年GRE英语真题及答案一、阅读理解阅读理解一题目:The importance of biodiversity答案:Biodiversity is crucial for maintaining ecosystem stability and providing various ecosystem services. It helps regulate climate, support pollination, and purify water.题目:Causes of biodiversity loss答案:Biodiversity loss is primarily caused by habitat destruction, pollution, overexploitation of resources, and climate change.题目:Conservation strategies答案:To mitigate biodiversity loss, conservation strategies include protecting natural habitats, implementing sustainable resource management practices, and reducing pollution.阅读理解二题目:Impacts of global warming答案:Global warming contributes to rising sea levels, more frequent extreme weather events, loss of biodiversity, and negative effects on human health.题目:Causes of global warming答案:Human activities, such as burning fossil fuels, deforestation, and industrial processes, are the main causes of global warming.题目:Mitigation measures答案:To mitigate global warming, measures include transitioning to renewable energy sources, promoting energy efficiency, and implementing policies to reduce greenhouse gas emissions.二、文字推理文字推理一题目:Logical argument答案:A logical argument is a series of statements or facts that lead to a valid conclusion.题目:Elements of a logical argument答案:The elements of a logical argument include premises (supporting statements), evidence (facts or data), and a conclusion (the final statement based on the premises and evidence).文字推理二题目:Cause and effect答案:Cause and effect is a relationship in which one event (the cause) brings about another event (the effect).题目:Identifying cause and effect答案:To identify cause and effect, one must analyze the sequence of events and determine the relationship between them.题目:Example of cause and effect答案:An example of cause and effect is smoking causing lung cancer.三、逻辑推理逻辑推理一题目:Deductive reasoning答案:Deductive reasoning is a logical process in which specific conclusions are drawn from general principles or premises.题目:Syllogism答案:A syllogism is a deductive argument consisting of two premises and a conclusion.逻辑推理二题目:Inductive reasoning答案:Inductive reasoning is a logical process in which general conclusions are drawn from specific observations or evidence.题目:Analogical reasoning答案:Analogical reasoning is a type of inductive reasoning that involves drawing conclusions based on similarities between two or more cases.四、写作写作一题目:The benefits of reading答案:Reading provides numerous benefits, such as expanding knowledge, improving cognitive abilities, enhancing vocabulary, and fostering empathy.题目:Ways to promote reading写作二题目:The impact of social media题目:Concerns about social media答案:Some concerns about social media include privacy issues, cyberbullying, and the influence of fake news.题目:Managing social media use答案:To manage social media use, individuals can set boundaries, critically evaluate information, and engage in responsible online behavior.。
GRE阅读3大类题型出题考点和解题思路分析指点
(A) contrast the theories of Jean Wagner with those of other contemporary critics
(B) document the influence of Jean Wagner on the development of Afro-American poetry
GRE阅读题型思路分析:列举题
列举,顾名思义,就是符合某种条件的几个例子,例子可以是某几个事件,动作,情况或者人物。列举题有两种形式,一种是列举非,它问你四个选项中哪一个原文中没有提及。应对的办法仍然是定位原文,然后采用排除法,直至找到正确答案。第二种列举题要你在四个选项种找出哪一个选项在原文中提及,应对的措施仍然是根据关键词定位。其实,列举题并不难,出现的概率也比较大,每篇阅读大概出现一题。
It is Wagner who first demonstrated the essential fusion of racial and religious feeling in Afro-American poetry. The two, he argued, form a symbiotic union in which religious feelings are often applied to racial issues and racial problems are often projected onto a metaphysical plane. Wagner found this most eloquently illustrated in the Black spiritual, where the desire for freedom in this world and the hope for salvation in the next are inextricably intertwined.
gre考试阅读满分攻略
gre考试阅读满分攻略gre考试阅读满分攻略第一:词汇和语法基础要扎实。
一般来说考生只要把六级词汇完全掌握,参加gre阅读考试就没有问题,但考生也不要掉以轻心,因为gre阅读中虽然没有生僻词汇,但却经常有长难句出现,考生如果连基本的词汇都没有掌握,那么应对长难句就会力不从心。
gre阅读考试是一项比较全面的考察学生英语能力的内容,所以从词汇开始,一直到句子已经篇章都有对应的练习题类型去考察。
但是要理解句子的含义,光是词汇认识也不一定能完全搞清楚,有的时候需要通过语法知识去分析。
这种语法在很多题型中有所体现。
例如指代题,要分析代词所指的先行词是哪个,有时就要通过句子主谓宾成分的分析才能找到。
第二:逻辑关系词要牢记在心。
英语句子的理解很多时候是要去理解其逻辑关系的,常见的逻辑关系有并列(and, as well),比较(than, as….as),因果(because, so, therefore, thus, result from),递进(also, furthermore),转折(but, however, yet)等等。
句子内有这些逻辑关系,句子和句子之间也有这些逻辑关系,这样才能理清整篇文章的脉络,去完成例如句子简化,插入句子这类题型。
第三:快速阅读能力要加强。
gre阅读考试每篇的时间是规定为20分钟,除了看长篇的文章外,还有11或13道题目的内容,所以时间是非常紧张的,因此在阅读的时候速度就很关键。
考生要改掉一些阅读的坏习惯,例如逐字阅读,出声阅读,或者指着阅读等,这样的习惯只会拖慢阅读的速度。
所以快速阅读能力在考试中是非常重要的,读的时候要以意群来看。
第四:注重归纳的能力培养。
gre阅读的最后一大题都是以全文意思的归纳为基础才能完成的,尤其是summary,考察的就是考生对文章的整体把握。
因此考生在平时练习的时候一定要注意对文章段落的归纳,能够在较短的时间内把文章段落的中心大意读出来,然后进行总结,最后选择出最能代表文章中心含义的内容。
GRE阅读搞定长篇文章技巧
GRE阅读搞定长篇文章技巧GRE长阅读不仅文章篇幅长,题目的难度也往往比较高,可以说是既消耗时间又简单出错的困难题型。
下面我就和大家共享GRE阅读搞定长篇文章技巧,来观赏一下吧。
GRE阅读搞定长篇文章技巧GRE长篇阅读解题步骤:读原文GRE阅读的基本做题方法,就是先读原文再看题目,看过题目后再依据题目定位回原文,所以读原文是做一篇阅读的第一步。
有些同学已经养成了先读题目再看原文的阅读习惯,其实,做题的挨次要因阅读特点和出题方式而异,GRE阅读题目的出题挨次和原文几乎没有任何联系,也就是说第一道题可能考了原文的末尾,而最终一道题可能考的是原文的开头,故先读题目再读原文对做题没有任何关心,反而有可能扰乱读者理解原文内在的规律结构。
GRE长篇阅读解题步骤:做标记做标记是指在读文章的时候用简洁的符号记录所读重点内容,这应当和读文章同步进行,标记一般可以做在草稿纸上。
做标记的主要目的是为了读完选项之后能快速、精确的定位,这个步骤要求考生熟识常考考点,对应做标记的内容烂熟于胸,这样才能不费时间的给自己下一步的定位作准标记。
GRE长篇阅读解题步骤:读题干/选项读题干的过程也是个找题干特征的过程,看看题干所述和自己所做标记的内容有没有联系,假如有,则可以直接定位,故定位最主要的基础是题干与标记之间的联系。
有时候题干可能没有可以捕获的特征,这时考生不妨从选项下手,选项中也时常会有明显的特征反映出它与原文中的重点内容之间的相关性。
GRE长篇阅读解题步骤:定位定位指的是确定考题针对原文中什么位置的内容发问,通常通过题干和选项的特征词来找,推断了原文所述的位置之后,就可以找原文和答案之间的对应关系了,绝大多数题目都可以通过找题干和选项的特征词精确的定位到原文某处。
GRE长篇阅读解题步骤:选答案GRE考试的备选答案都是五个,通常很少有考题能让大家一目了然的直接推断出正确答案,总有1-2个迷惑性比较大的选项。
所以,考生不妨先竖读各选相,排解一些明显错误的选项,然后再对剩下的进行细致的比较,通过原文和选项之间的文字对应关系,进行选择。
gre阅读文章大概多长
gre阅读文章大概多长为了帮助大家高效备考gre阅读,对gre阅读的文章有一个大致的了解,下面小编给大家带来gre阅读大概多长,一起来看看吧!gre阅读大概多长旧GRE考试的阅读分2113为长阅读和短阅读,长阅读长约600~5261700字左右,题目为410216537道,短阅读长约150字左右,题目为4道。
新GRE考试中,根据PP软件,已出现两种情况(1)一个Section有4篇文章,均为短阅读,长度约为150~180字左右,每篇题目数量依次为3道,2道,2道,2道,总的题目数量为9道,此时逻辑题为1道。
(2)一个Section有3篇文章,1篇为长阅读,长度约为400~500字左右,题目数为4道,另附2篇短阅读,题目数依次为1道和3道,总共题目数为8道,此时逻辑题为2道。
在题型方面,相较于旧GRE传统的5选1题型,新G在5选1题型基础上,新增了句子选择题以及三项多选题。
总体而言,从文章的难度上,新GRE并没有改变旧GRE文章深奥,句子复杂等特点,同时在题型上注重对于文章具体句子和词汇的考察,也延续了对于文章中事物逻辑的考察,文章主题的把握。
文章长度上的整体缩短,但是在题量上的增加,会导致阅读难度不断加大。
GRE阅读短文章正常花多久一篇Q:我想请问下黄老师短文章正常花多久一篇呢?长文章大约多长时间一篇比较能做得完一个section?A:一道题两分钟,所以如果是一篇文章后面2道题的话,读文章+做题公用4分钟。
GRE阅读关键战术之--长阅读读不读阅读考试首先是节奏。
GRE阅读需要考虑的战术之一就是长阅读到底是否值得认真读。
先看下题目分步,语文有两部分,具体如下:从这个分步中看出,第二部分没有长阅读所以讨论第一部分长阅读。
大家可以看到,短阅读的字数是只有120字,中篇阅读180个字,意味着60个字左右一道题,长阅读450词只有四题,平均100多词解一题。
那意味着长阅读是一个阅读和得分效率相对较低的题目。
GRE阅读的技巧
GRE阅读的技巧1.增强阅读速度:GRE阅读部分需要考生阅读3-4篇文章,每篇文章约500-600字。
熟练的阅读速度对于在限定的时间内完成所有阅读任务非常关键。
可以通过每天阅读英文原版书籍、报纸、杂志等来提高平时的阅读速度。
2.提高词汇量:考生需要掌握大量的单词才能更好地理解和推理出文章的含义。
可以使用词汇卡,每天背诵一些单词并在实践中使用这些单词。
4.理解文章的逻辑关系:文章中的段落和句子之间有一定的逻辑关系,如因果关系、对比关系、递进关系等。
了解这些逻辑关系有助于更好地理解文章的意思。
5.遇到重点句子和关键词:在阅读文章时,注意寻找重点句子和关键词,这些句子和词语通常会提供文章的主要观点和关键信息。
6.熟悉GRE常见题型:GRE阅读部分主要包括多选题、选择题和填空题。
每种题型都有不同的解题策略,熟悉这些策略可以帮助考生更快地解答问题。
7.上下文推测:有时候文章中的一些词语可能不熟悉,可以通过上下文推测来理解其含义。
上下文推测是一种重要的解题技巧,可以帮助理解整个句子或段落的意思。
8.重点阅读和标记:在有限的时间内完成所有阅读任务是非常困难的,因此需要有针对性地阅读和标记。
可以在阅读过程中标记关键句子和段落,以便在回答问题时能快速找到相关信息。
9.不要放弃难题:有时候会遇到难题,可能会让你感到困惑和挫败。
但要记住,每个难题都有一个正确答案,坚持下去并尝试多种解决方法。
10.练习模拟考试:模拟考试可以帮助考生熟悉GRE阅读部分的格式和要求。
做完模拟考试后,可以查找和复习自己的不足之处,并逐渐改进。
最重要的是每天坚持练习,提高阅读速度和理解能力。
多做阅读题目,学习并应用相关的阅读技巧,你会发现在GRE阅读部分取得更好的成绩。
新GRE逻辑阅读练习题精选5篇
新GRE逻辑阅读练习题精选5篇GRE的阅读考生特别注意规律关系,所以大家要多写一些新GRE 规律阅读练习题,快来一起学习吧,下面我就和大家共享,来观赏一下吧。
新GRE规律阅读练习题For each of Questions 1-3, select one answer choice unless otherwise instructed.Questions 1 to 3 are based on the following reading passage.Paule Marshalls Brown Girl, Brownstones (1959) was a landmark in the depiction of female characters in Black American literature. Marshall avoided the oppressed and tragic heroine in conflict with White society that had been 5 typical of the protest novels of early twentieth century.Like her immediate predecessors, Zora Neale Hurston and Gwendolyn Brooks, she focused her novel on an ordinary Black womans search for identity within the context of a Black community. But Marshall extended the 10 analysis of Black female characters begun by Hurston and Brooks by depicting her heroines development in terms of the relationship between her Barbadian American parents, and by exploring how male and female roles were defined by their immigrant culture, which in turn 15 was influenced by the materialism of White America.By placing characters within a wider cultural context, Marshall attackedracial and sexual stereotypes and paved the way for explorations of race, class, and gender in the novels of the 1970s. For the following question, consider each of the choices separately and select all that apply1. It can be inferred that the author of the passage would describe Brown Girl, Brownstones as being□A highly influenced by novels written in the early wentieth century □B important in the late 1950s but dated today□C an important influence on novels written in the1970s2. According to the passage, Hurston, Brooks, and Marshall are alike in that they○A did not examine the effects of White culture on their characters lives○B were heavily influenced by the protest novels of the early twentieth century○C used Black communities as the settings for their novels.○D wrote primarily about the difficulties their characters encountered in White culture○E wrote exclusively about female characters and the experiences of women3. The author‘s description of the way in which Marshall depicts her heroines development is most probably intended to○A continue the discussion of similarities in the works of Brooks,Hurston, and Marshall○B describe the specific racial and sexual stereo-types that Marshall attacked○C contrast the characters in Marshalls novels with those in later works○D show how Marshall extends the portrayal of character initiated by her predecessors○E compare themes in Marshalls early work with themes in her later novels答案:1. C. 2. C 3 D新GRE规律阅读练习题Calculations of the density of alloys based on Bernal-type models of the alloy‘s metal component agreed fairly well with the experimentally determined values from measurements on alloys consisting of a 5 noble metal together with a metalloid, such as alloys of palladium and silicon, or alloys consisting of iron,phosphorus, and carbon, although small discrepancies remained. One difference between real alloys and the hard spheres used in Bernal models is that the 10 components of an alloy have different sizes, so that models based on two sizes of spheres are more appropriate for a binary alloy, for example. The smaller metalloid atoms of the alloy might fit into holes in the dense, random-packed structure of the larger metal atoms.4. The authors speculation about the appropriateness of models using spheres of two sizes for binary alloys would be strongly supported if models using spheres of two sizes yielded○A values for density identical to values yielded by one-sphere models using the smaller spheres only○B values for density agreeing nearly perfectly with experimentally determined values○C values for density agreeing nearly perfectly with values yielded by models using spheres of three sizes○D significantly different values for density depending on the size ratio between the two kinds of spheres used○E the same values for density as the values for appropriately chosen models that use only medium-sized spheres答案:B新GRE规律阅读练习题Questions 5 and 6 are based on the following reading passage.One of the principal themes of Walzers critique of liberal capitalism is that it is insufficiently egalitarian.Walzers case against the economic inequality generated bycapitalism and in favor of a radical redistribution of 5 wealth is presented in a widely cited essay entitled In Defense of Equality. The most striking feature of Walzers critique is that, far from rejecting the principle of reward according to merit, Walzer insists on itsvalidity.People who excel should receive the superior 10 benefits appropriate to their excellence. But people exhibit a great variety of qualities—intelligence, physical strength, agility and grace, artistic creativity,mechanical skill, leadership, endurance, memory, psychological insight, the capacity for hard 15 work—even moral strength, sensitivity, the ability to express compassion.Each deserves its proper recompense, and hence a proper distribution of material goods should reflect human differences as measured on all these different scales. Yet, under capitalism, the ability 20 to make money (the green thumb of bourgeois society) enables its possessor to acquire almost every other sort of social good, such as the respect and esteem of others. For the following question, consider each of the choices separately and select all that apply5.The passage provides sufficient information to answer which of the following questions EXCEPT?□A What weight in relation to other qualities should a quality like sensitivity have, according to Walzer, in determining the proper distribution of goods?□B Which quality does Walzer deem too highly valued under liberal capitalism?□C Which are the social goods that are, according to Walzer, outside the reach of the power of money?6. The author implies that Walzers interpretation of the principle of reward according to merit is distinctive for its○A insistence on maximizing everyones rewards○B emphasis on equality○C proven validity○D broad conception of what constitutes merit○E broad conception of what constitutes a reward正确答案:5. A C 6. D.新GRE规律阅读练习题Questions 7 to 9 are based on the following reading passage.National character is not formally considered by social scientists in discussing economic and social development today. They believe that people differ and that these differences should be taken into account 5 somehow, but they have as yet discovered no way to include such variables in their formal models of economic and social development. The difficulty lies in the nature of the data that supposedly define different national characters. Anthropologists and others are on 10 much firmer ground when they attempt to describe the cultural norms for a small homogeneous tribe or village than when they undertake the formidable task of discovering the norms that exist in a complex modern nation-state composed of many disparate groups. The 15 situation is further complicated by the nature of judgments about character; sincesuch judgments are overly dependent on impressions and since, furthermore, impressions are usually stated in qualitative terms, it is impossible to make a reliable comparison between the national characters of two countries.7. The authors main point in the passage is that national character○A is too elusive to merit attention by anthropologists and other social scientists.○B is of greater interest to social scientists today than it has been in the past.○C is still too difficult to describe with the precision required by many social scientists.○D has become increasingly irrelevant because of the complexity of modern lift.○E can be described more accurately by anthropologists than by other social scientists. For the following question, consider each of the choices separately and select all that apply8. It can be inferred from the passage that the social scientists mentioned in the first two sentences would agree with which of the following statements?□A It is extremely difficult to create models that account for both economic and social development□B Models of economic and social development would be improvedby the inclusion of adequate descriptions of national character.□C it is important to supplement formal models of economic and social development with qualitative impressions of national character.9. Which of the following best describes the organization of the passage?○A A problem is presented and reasons for its existence are supplied.○B A controversial view is presented and evidence for its validity is supplied.○C A hypothesis is presented and possible means of verifying it are suggested.○D A recent development is described and then analyzed.○E A dispute is summarized and one side defended.正确答案:7. C 8. B. 9. A新GRE规律阅读练习题Questions 10 and 11 are based on the following reading passage.It is now established that the Milky Way is far more extended and of much greater mass than was hitherto thought. However, all that is visible of the constituents of the Milky Ways corona (outer edge),where much of the galaxys mass must be located, is a tiny fraction of the coronas mass. Thus, most of the Milky Ways outlying matter must be dark. Why? Three facts are salient. First, dwarf galaxies and globular clusters, intowhich most of the stars of the Milky Ways corona are probably bound, consist mainly of old stars. Second, old stars are not highly luminous. Third, no one has detected in the corona the clouds of gaseous matter such as hydrogen and carbon monoxide that are characteristic of the bright parts of a galaxy.10. The passage as a whole is primarily concerned with(A) analyzing a current debate(B) criticizing a well-established theory(C) showing how new facts support a previously dismissed hypothesis(D) stating a conclusion and adducing evidence that may justify it(E) contrasting two types of phenomena and showing how they are related11. Select the sentence that the author implicitly indicates what astronomers believed about the Milky way until fairly recently.正确答案:10. D 11. It is now established...。
适合gre英语水平的阅读材料
适合gre英语水平的阅读材料适合GRE英语水平的阅读材料有很多,以下是一些建议:1. The New York Times(《纽约时报》):这是一份非常有深度的报纸,其文章内容涵盖了政治、经济、文化等多个领域,对于提高阅读理解能力和扩大词汇量有很大帮助。
2. The Economist(《经济学人》):这是一本以经济和政治为主的杂志,其文章风格简练、思维缜密,适合GRE考生阅读。
3. Scientific American(《科学美国人》):这是一本科普杂志,其文章内容涵盖了生物学、物理学、化学等多个领域,对于提高阅读理解能力和扩大词汇量有很大帮助。
4. National Geographic(《国家地理》):这是一本以地理和人文为主的杂志,其文章内容生动有趣,适合GRE考生阅读。
5. The Atlantic(《大西洋月刊》):这是一本涵盖了政治、文化、科学等多个领域的杂志,其文章内容深入浅出,适合GRE考生阅读。
6. New York Review of Books(《纽约书评》):这是一本以文学和文化为主的杂志,其文章内容兼具学术性和可读性,适合GRE考生阅读。
7. The Smithsonian(《史密森尼》):这是一本涵盖了历史、艺术、科技等多个领域的杂志,其文章内容详实有趣,适合GRE考生阅读。
8. Foreign Policy(《外交政策》):这是一本以国际关系为主的杂志,其文章内容涵盖了政治、经济、文化等多个领域,对于提高阅读理解能力和扩大词汇量有很大帮助。
除了以上这些材料,还可以阅读一些经典的英文小说,例如《傲慢与偏见》、《简爱》、《雾都孤儿》等。
同时,也可以通过参加GRE培训班、模拟考试等方式来提高自己的阅读水平。
gre阅读理解以及题型解析
gre阅读理解以及题型解析gre阅读理解以及题型解析加强新gre阅读理解的训练提高自己逻辑分析能力和归纳演绎的能力,是更好适应新gre阅读理解的'开始,新gre考试实施,需要考生在现场逻辑反应一定要比以前更快些,新gre考试阅读理解论据减少,这对考生推断理解能力提出更高要求。
希望考生能够总结自己的解题思路,找到答题技巧。
多项选择题IMultiple-choice Questions Select One or More Answer Choices:These provide three answer choices and ask the examinee to select all that are correct; one, two or all three of the answer choices may be correct. To gain credit for these questions, the examinee must select all the correct answers,and only those; there is no credit for partially correct answers.Sample Multiple-choice Questions Select One Answer Choice1. The passage implies which of the following about the current cost of generating electricity?A. It is higher than it would be if better technologies for capturing carbon dioxide were available.B. It is somewhat less than the cost of electricity transmission and distribution.C. It constitutes at most half of the delivered price of electricity.D. It is dwelt on by policymakers to the exclusion of other costs associated with electricity delivery.。
GRE的阅读题型
你若盛开,蝴蝶自来。
GRE的阅读题型GRE的阅读题型1、直接事实题According to the passage/author...The author states that...The author mentions which one of the following as...做法:同义替换(找原文的语言重复)的三种状况:变换同义词,变换句型,变换同根词词性。
2、取非题/取反题1)对比题:由强对比语气出的题。
A 与B 对立,文中只有A 的特征,问B 的特征,则对A取非即可。
2)改善题:正改善题和负改善题a)正改善题:虚拟语气+表示正改善的说法=正改善题。
做法是回原文中找缺点,然后取非。
正改善题的说法有:better, improve, more illuminating/enlightening/convincing/usefulb)负改善题:虚拟语气+表示负改善的`说法=负改善题。
做法是回文中找优点,然后取非。
负改善的说法有:lessilluminating/enlightening/convincing/useful (改善题的变体)改善题的选项特点:1)可能消失极端词汇,2)干扰选项(未取非)。
3、举例作用题(in order) to / 举例作用题问法:in order to 或to (优先排解含有例子词汇的选项)第1页/共3页千里之行,始于足下。
做题技巧:先观看以illustrate或者give an example of开头的选项。
标准做法分以下三种状况:a)先结论后举例:for example, for instance, such as, likeb)先举例后结论:强因果关系词hence thus thereforec)无任何语言现象:以第一种状况先结论后举例居多。
4、EXCEPT 题/排解题:由四项小列举出的题和罗马数字题(渐少)做题方法:定位于文中的大/小列举。
5、规律题a、支持题1)搭桥法:把缺的条件补上断桥识别:推理过程中运用了两次以上的关键词汇。
GRE考试阅读理解练习题及答案
GRE考试阅读理解练习题及答案小编整理了GRE考试阅读理解练习题及答案,我们来看看吧,下面小编就和大家分享,来欣赏一下吧。
GRE考试阅读理解练习题及答案GRE阅读题目解析:治疗胃酸的药Columnist: Until very recently, Presorbin and Veltrex, two medications used to block excess stomach acid, were both available only with a prescription written by a doctor. In an advertisement for Presorbin, its makers argue that Presorbin issuperior on the grounds that doctors have written 200 million prescriptions for Presorbin, as compared to 100 million for Veltrex. It can be argued that the numberof prescriptions written is never a worthwhile criterion for comparing the merits of medicines, but that the advertisement’s argument is absurd is quite adequately revealed by observing that Presorbin was available as a prescription medicine years before Veltrex was.1. In the columnist’s argument, the two highlighted portions play which of the following roles?A. The first is a claim that the columnist’s argument seeks to clarify; the second states a conclusion drawn about one possible interpretation of that claim.B. The first identifies the conclusion of an argument that the columnist’s argument is directed against; the second states the main conclusion of the columnist’s argument.C. The first states the main conclusion of the columnist’s argum ent; the second states a conclusion that the columnist draws in defending that conclusion against an objection.D. The first identifies an assumption made in an argument that the columnist's argument is directed against; the second states the main conclusion of the columnist’s argument.E. The first is a claim that has been offered as evidence to support a position thatthe columnist opposes; the second states the main conclusion of the columnist’s argument.1Columnist: Until very recently, Presorbin and Veltrex, two medications used to block excess stomach acid, were both available only with a prescription written by a doctor.专栏作者:直到最近,P 和 V,两种治疗胃酸过多的药,都是处方药。
GRE阅读题型数量分配情况
GRE阅读题型数量分配情况GRE阅读作为语文VERBAL中的主要题型之一,其文章数量和题型都是有比较固定的支配规律的,下面我就和大家共享GRE阅读单个SECTION题型数量安排状况解析,欢迎阅读!GRE阅读单个SECTION题型数量安排状况解析第一种状况4篇GRE 短阅读文章,所谓短阅读文章,也就是每篇文章字数在150~180左右。
而每篇阅读题目数量也多为3道-2道-2道-2道这种组合模式,总的题目数量为9道,此时规律题为1道。
其次种状况3篇GRE 阅读文章,其中有1篇为长阅读文章,也就是字数长度约为400~500字,而这一片阅读的题目数为4道,另外2篇照旧是短阅读,短阅读的题目数分别为1道和3道,总共题目数为8道,此时规律题为2道。
GRE阅读整体出题形式和考点趋势变化整体上来看,GRE 阅读的难度近几年来都保持比较稳定的水平。
不仅注意对文章详细段落和词汇的理解把握的考查,也兼顾对规律思维力量的摸索和文章主题的分析。
GRE填空的解题方法大解剖如何在短时间内有效精确地把新GRE填空原句中的重复信息找到,是GRE考试的考生最为关注的。
确定句子的关系是找出重要信息的关键,对于任何一个句子填空题,我们都要先搞清句子的结构关系。
对立关系的句子在GRE句子填空中消失频率很高,这类题的解题思路也相对简单一些,主要是取反义词的解法。
下面本文就针对新GRE填空的解题方法进行剖析。
对立关系的句子是指原句中有一些标志性的词语,一旦确定了是属对立关系,那么句子的规律关系就有了转折,能够很简单地知道所填空格处肯定与原句中的某个词语是相反的关系。
所以,推断出句子是对立关系后,找出原句中的关键词语成为解题的突破口。
对立关系的句子许多,凡是消失but, yet, however, nevertheless, although, (even) though, while, whereas, notwithstanding, despite, in spite of, in contrast (to), on the contrary, on the other hand, whatever, otherwise, ironically, paradoxically, curiously, surprisingly 等带有转折逆转含义的题目,则代入空格的正确选项必与中心线索构成语义对立的反义词关系。
2020年GRE阅读真题
2020年GRE阅读真题GRE考试是世界范围内广受认可的研究生入学考试,其中阅读部分被认为是相对较难的一部分。
因此,熟悉并进行真实的GRE阅读题目训练对于考生来说非常重要。
下面将为大家提供一道2020年GRE阅读真题,并按照阅读格式进行展示和解析。
Passage 1:Throughout history, human beings have demonstrated a natural affinity for the outdoors. From hunting and gathering in the earliest societies to outdoor recreational activities in modern times, our connection to nature has remained steadfast. However, recent studies suggest that spending time outdoors not only offers psychological benefits but also contributes to improved physical health.Research conducted at leading universities has shown that individuals who engage in regular outdoor activities experience reduced levels of stress and anxiety. For example, a study conducted by the University of Michigan found that participants who took a walk through a natural environment exhibited lower levels of cortisol, a hormone associated with stress. Similarly, researchers at Stanford University discovered that spending time in nature can have a positive effect on attention and cognitive function, leading to improved mental well-being.Moreover, outdoor activities contribute to physical health and fitness. Engaging in physical exercise such as hiking, biking, or swimming can help people stay active and improve cardiovascular strength. Additionally, exposure to natural sunlight boosts the production of vitamin D, which isessential for bone health and overall immunity. Therefore, spending time outdoors not only benefits our mental well-being but also supports our physical well-being.In conclusion, the importance of spending time outdoors cannot be overstated. Not only does it provide psychological benefits by reducing stress and anxiety, but it also contributes to improved physical health. As individuals, we should make a concerted effort to incorporate outdoor activities into our daily lives for a healthier and happier future.注意:以上为根据所给题目进行的一篇GRE阅读真题的展示和解析。
GRE阅读考试题型的数量分布
GRE阅读考试题型的数量分布为了帮助大家提前熟悉一下gre的阅读考试形式,下面小编给大家带来GRE阅读考试题型的数量分布,希望对大家有所帮助!GRE阅读考试题型的数量分布第一种情况4篇GRE 短阅读文章,所谓短阅读文章,也就是每篇文章字数在150~180左右。
而每篇阅读题目数量也多为3道-2道-2道-2道这种组合模式,总的题目数量为9道,此时逻辑题为1道。
第二种情况3篇GRE 阅读文章,其中有1篇为长阅读文章,也就是字数长度约为400~500字,而这一片阅读的题目数为4道,另外2篇依旧是短阅读,短阅读的题目数分别为1道和3道,总共题目数为8道,此时逻辑题为2道。
GRE阅读整体出题形式和考点趋势变化整体上来看,GRE 阅读的难度近几年来都保持比较稳定的水平。
不仅注重对文章具体段落和词汇的理解掌握的考查,也兼顾对逻辑思维能力的摸索和文章主题的分析。
GRE阅读题目解析:全新世晚期P42Human impacts on the natural environment during the later part of the Holocene (beginning about 4,000 years ago) complicate investigations into environmental change during that period because the signals produced by human-and climate-induced change are sometimes difficult to separate. For example, in the later Holocene, one indicator of increased aridity due to climate change is an increase in pollen from grasses, as forest vegetation gives way to grassland. Such a change in vegetation could alternatively be attributed to human impact in the form of agricultural development. Examples of such human impact from4,000 years ago would be small-scale, however, since the broad ecosystem changes brought about by the widespread adoption of agricultural technologies occurred later.1. Which of the following best describes the function of the highlighted sentence in the context of the passage as a whole?A. It provides an example of the kind of problems that often complicate investigations into environmental change.B. It call into question the reliability of the established dates for later Holocene agricultural development.C. It describes the nature of localized agricultural developments during the later Holocene.D. It outlines a hypothesis that draws on evidence discussed earlier in the passage.E. It limits the scope of a particular complication mentioned earlier in the passage.2. According to the passage, which of the following is true regarding environmental changes 4,000 years ago?A. No localized increases in grass pollen were caused by agricultural development.B. Increases in grass pollen were at least sometimes a reflection of an increase in aridity.C. Wholesale ecosystem changes probably resulted from agricultural development.D. Any small-scale changes occurring then would not be detectable now.E. Environmental change helped induce the adoption of agricultural technologies.P421Human impacts on the natural environment during the laterpart of the Holocene (beginning about 4,000 years ago) complicate investigations into environmental change during that period because the signals produced by human- and climate-induced change are sometimes difficult to separate.全新世晚期(开始于约 4000 年前)人类对自然环境的影响,让关于当时环境改变的研究变得复杂,因为人类引起的改变和气候引起的改变,有时难以区分。
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Passage 5Matisse’s art, with its spectacular immediacy and its mysterious depths, poses confounding problems for analysis. When Hilary Spurling writes of The piano Lesson that “the picture cannot be confined to any single source or meaning,” she might be writing of any of Matisse’s works. Picasso’s themes, with their collage of traditional signs and symbols, are far more susceptible to conventional iconographic analysis than anything in Matisse. Similarly, the cubism of Picasso and Braque, while rejecting traditional perspective, can nevertheless be studied as an inversion of traditional norms, using the same tools that one uses to study those norms. But the solutions that Matisse arrives at are always idiosyncratic and tend to be unrelated to any system of ideas. Intuition is his only system.1. The passage suggests which of the following about Braque’s cubism?(A) It lends itself more readily to systematic analysis than does Matisse’s work.(B) It is more radical in terms of form than most paintings by Matisse(C) It was influenced by Matisse’s idiosyncratic and intuitive approach.(D) It cannot be confined to any single source or meaning(E) It is overly dependent on traditional signs and symbols.Consider each of the choices separately and select all that apply.2. The passage identifies which of the following as a reason that Matisse’s art can confound analysisTraditional analytical tools are not well suited to Matisse’s art.Matisse’s art is marked by a freedom from systematic influence.The norms that Picasso and Braque rejected were not ones that MatisserejectedPassage 6Eighteenth-century women played a significant part in British political life. Up and down the social scale they performed a variety of political acts, everything from purchasing political artifacts such as plates, handkerchiefs, and fans to penning political pamphlets, starving in civic processions, sponsoring boycotts, arguing over public issues in their own debating societies, rioting, and uttering seditious words. Whereas historians used to see female political involvement in this century as isolated or aberrant, they now stress the continuity and normalcy of such activity, especially for aristocratic women. Given the familial nature of aristocratic politics, noble woman were actually expected to act as political advisors and agents for their husbands, to canvass inelections, to serve as political hostesses, to seek and dispense political patronage. They did so routinely long before the eighteenth and deep into the nineteenth century.1. The author would most likely agree with which of the following statements about political acts performed by eighteenth-century women?A. They had little influence on the outcome of electionsB. Thy were aimed largely at the expansion of the electorateC. They probably were discouraged by men with political aspirationsD. They represented a new development in British societyE. They were sometimes perceived as being negativePassage 1Some historians have recently challenge the “party period paradigm,” the view, advanced by McCormick and others, that political parties- especially the two major parties – in the United States between the years 1835 and 1900 evoked extraordinary loyalty from voters and dominated political life. Voss-Hubbard cites the frequency of third-party eruptions during the period as evidence of popular antipathy to the two-party regime. He correctly credits third parties with helping generate the nineteenth-century’s historically high rates of voter turnout by forcing major parties to bolster supporters’ allegiance, lest minor parties siphon off their votes, and with pushing policy demands that the major parties ignored. Formisano stresses the pervasive record of nonpartisan and antiparty governance at the local level, and women’s frequent participation in nineteenth-century public life, prior to their enfranchisement, in nonpartisan and antiparty ways as evidence of the limitations of the party period paradigm. Yet McCormick would deny that the existence of antiparty sentiment during the period undermines the paradigm, since he has always acknowledged the residual strength of such sentiment during the nineteenth century. In any case, the strength of the paradigm is its comparative thrust: the contrast it draws between the period in question and later political eras.18 . The primary purpose of the passage is toA. correct a common misconception about a historical period.B. identify a feature of a historical period that has often been overlooked.C. challenge the validity of evidence used to support a claim.D. discuss certain challenges to a particular view.E. account for a particular feature of a historical period.19. Select the sentence in the passage that describes how a historian might reply to attempts tocall his theory into question.20. In the context in which it appears, “evoked” most nearly meansA. elicitedB. recalledC. citedD. suggestedE. elaboratedPassage 7Large spiral-shaped galaxies have giant clouds of molecular hydrogen that can readily form stars. The spiral-arm pattern of these galaxies is maintained by density waves, which continually form new stars by compressing the molecular clouds that they pass through. In contrast, dwarf galaxies are dormant for billions of years, then erupt in furious short-lived bursts of star formation before becoming dormant again. These galaxies have little molecular hydrogen. They do have abundant atomic hydrogen —that is, hydrogen atoms floating freely rather than bound into two atom molecules. Because clouds of atomic hydrogen are less dense than clouds of molecular hydrogen, they are less likely to lapse gravitationally and produce stars. Furthermore, because dwarf galaxies lack density waves and other organized gas motions that can cause clouds to collapse, they are mostly quiescent.1 . The paragraph is primarily concerned withA. explaining how spiral-arm patterns are formed in large galaxies.B. explaining why large and dwarf galaxies differ in densityC. suggesting that the shape of a galaxy is likely to have as great an effect on the number of starsit forms as does its chemical makeup.D. providing information that might be useful in understanding differences in the pace at whichstars are formed in different galaxies.E. relating discoveries made about differences in the gravitational forces that exist amonggalaxies.Consider each of the choices separately and select all that apply2. Which of the following does the passage identify as a factor affecting the rate at which stars are produced by a galaxy?A. The form of hydrogen contained in the galaxy.B. The density of hydrogen clouds contained in the galaxy.C. The age of the galaxy.Passage 8Except in special situations, human beings’ battle with mosquitoes will not be won by a simple campaign to eliminate the insects. Social tradition and habits, it seems, do much to ensure continual contact between mosquitoes and people. On the slopes of Mount Kilimanjaro, for example, mosquitoes breed in the leaf axils of aplant called dracaena. Although dracaena is not a food plant for humans, its use as a hedge or boundary marker is deeply rooted in tradition. Here, as in other parts of the world, human behavior ensures contact and conflict between people and mosquitoes.I am not advocating a policy of live and let live, we already know that living with mosquitoes is very unpleasant.But until we accomplish the difficult task of understanding how our habits often perpetuate—even create—our problems, efforts to resolve our battle with mosquitoes will probably fail.1. The passage is primarily concerned with(A) discussing shortsighted proposals to eliminate problems with mosquitoes.(B) outlining ways in which people can alleviate the problems caused by mosquitoes.(C) arguing that social traditions can perpetuate people’s problems caused with mosquitoes(D) discussing various ways in which people come into contact with mosquitoes(E) suggesting how the breeding habits of mosquitoes create problems for people.2. Which of the following best describes the organization of the passage?(A) A hypothesis is presented, weighed, and qualified, and then the modified hypothesis is reaffirmed.(B) An argument is advanced, then it is refuted, and an alternative is suggested.(C) A claim is made, a supporting example is provided, and then a conclusion is offered.(D) Opposing views are presented, evaluated, and then reconciled.(E) A problems is identified, a solution is proposed, and potential difficulties with the solution are raised.3. Select the sentence in which a potential misinterpretation of the author’s position is addressed.Passage 6Supernovas in the Milks Ways are the likeliest source for most of the cosmic rays reaching Earth. However, calculations show that supernovas cannot produce ultrahigh-energy cosmic rays (UHECRs), which have energies exceeding 1018 electron vo lts. It would seem sensible to seek the source of these in the universe’s most conspicuous energy factories: quasars and gamma-ray bursts billions of light-years away from Earth. But UHECRs tend to collide with photons of the cosmic microwave background—pervasive radiation that is relic of the early universe. The odds favor a collision every 20 million light-years, each collision costing 20 percent of the cosmic ray’s energy. Consequently, no cosmic ray traveling much beyond 100 million light-years can retain the energy observed in UHCERs.Consider each of the choices separately and select all that apply.1. It can be inferred that the author of the passage would agree with which of the follow about theorigin of UHECRs that reach Earth?(A) The origin is something other than supernovas in the Milky Way.(B) The origin is most likely something other than very distant quasars or gamma-ray bursts.(C) The origin is most likely no more than a little over 100 million light-years away from Earth.2. In the contex t of the author’s argument, the last sentence performs which of the followingfunctions?(A) It explains a criterion that was employed earlier in the argument.(B) It shows that an apparently plausible position is actually self-contradictory.(C) It is a conclusion drawn in the course of refuting a potential explanation.(D) It overturns an assumption on which an opposing position depends.(E) It states the main conclusion that the author is seeking to establish.Passage 12Astronomers who study planet formation once believed that comets—because they remain mostly in the distant Oort cloud, where temperatures are close to absolute zero—must be pristine relics of the material that formed the outer planets. The conceptual shift away from seeing comets as pristine relics began in the 1970s, when laboratory simulations revealed there was sufficient ultraviolet radiation reaching comets to darken their surfaces and there were sufficient cosmic rays to alter chemical bonds or even molecular structure near the surface. Nevertheless, astronomers still believed that when a comet approached the Sun—where they could study it—the Sun’s intense heat would remove the corrupted surface layer, exposing the interior. About the same time, though, scientists realized comets might contain decaying radioactive isotopes that could have warmed cometary interiors to temperatures that caused the interiors to evolve.1. The author suggests that the realization described in the final sentence of the passage had which of the following effects?(A) It introduced a new topic for study by astronomers interested in planetary formation.(B) It led astronomers to adopt a number of different strategies in trying to determine the composition of cometary interiors(C) It called into question an assumption that astronomers had made about comets(D) It cast doubt on astronomers’ ability to study the interior parts of comets.(E) It caused astronomers to revise their account of the composition of the outer planets.Consider each of the choices separately and select all that apply2. It can be inferred that the author would agree with which of the following statements about the “laboratory simulations”?The simulations showed that despite the low temperatures in the Oort cloud,there was sufficient energy there to alter cometAstronomers were initially reluctant to accept what simulation showed about the composition of cometsThe simulations themselves did not eliminate the possible that comets contain pristine relics of material from the early solar system.Passage 15Pueblo Bonito, the most impressive of the “great houses” at the prehistoric Chaco Canyonsite in New Mexico, comprised over 600 rooms and 4 to 5 stories. Traditional interpretations have viewed the great houses as almost entirely residential, with some archaeologists estimating the population of Puebto Bonito at 1,200 But Windes recently challenged this view by pointing out the paucity of hearths recorded during the excavation of Pueblo Bonito, which revealed only 3 upper-story hearths, in contrast to 59 ground-floor hearths: habituation rooms would have required hearths for cooking and heat. It is possible, however, that the collapse of upper-story floors disturbed evidence of upper-story hearths to such an extent that they were not revealed by early excavations such as those conducted by Pepper’s field crews in the 1890s and Judd’s in the 1920s. Additionally, reliance on room features for early population estimates is complicated by the Chacoan’s later remodeling, especially given Ju dd’s disinclination to destroy later structures and features to expose earlier ones. The failure of early excavations to strip off intact floors may have concealed evidence of hearths in upper-story rooms.1. The author of the passage would be most likely to agree with which of the following statements about Windes’ argument?(A) It relies on evidence that is irrelevant to the examination of structures as large as Pueblo Bonito(B) It fails to acknowledge crucial evidence from great houses other than Pueblo Bonito(C) It fails to incorporate crucial evidence from excavations before the 1920s.(D) It is based on a false notion about the significance of hearths.(E) It is based on evidence that may be incomplete.2. It can be inferred from the passage that Windes would be most likely to agree with which of the following statements about room usage in Pueblo Bonito?(A) Upper-story rooms were rarely used as storage areas.(B) Rooms that were remodeled were most likely to have been residential rooms.(C) The majority of residential rooms were located on the ground floor.(D) Early excavations of Pueblo Bonito disturbed much of the evidence indication room usage.(E) Upper-story rooms with hearths were probably used for different purposes than were lower-story rooms with hearths.3. Which of the following can be inferred about the excavation work performed by Judd’s field crew?(A) It did not unearth many room features that existed prior to Chacoan remodeling.(B) It did not unearth any evidence of upper-story hearths.(C) It revealed only habitation rooms.(D) It resulted in the collapse of some room features and upper-story floors.(E) It confirmed traditional population estimates for Pueblo Bonito.Section 1Astronomers studying a certain kind of supernova (exploding star) were surprised to find the supernovas were fainter than expected. Seeking explanations, they discounted the possibility that cosmic dust might be screening out some of the light, because it would filter out blue light more than red, causing the supernovas to appear redder than they really are. Also, unless spread very smoothly throughoutspace, the dust would introduce large variations in the measurements. Another possibility is gravitational lensing, the bending of light rays as they skirt galaxies en route. Such lensing occasionally causes brightening, but most often it contributes to the dimness of distant supernovas. Calculations show, however, that this effect becomes important only for sources more distant than the supernovas studied.1. According to the passage, the astronomers rejected gravitational lensing as an explanation for their findings becauseA. gravitational lensing can cause supernovas to appear brighter than they really areB. their calculations showed a negligible effect of gravitational lensing for light rays from distant sources.C. light rays traveling from the supernovas studied did not have to skirt galaxies.D. the effect of gravitational lensing on the appearance of supernovas is unpredictable.E. the supernovas studied were too near for gravitational lensing to have the observed dimming effect.2. The passage implies which of the following about the measurements made by the astronomers?A. There were small calculation errors in their measurements.B. There were no large variations in their measurements.C. Their measurements were skewed by unevenly spread cosmic dust.D. Their measurements were incomplete because cosmos dust screened out some of the light.E. It was possible to take more measurements of red light than of blue light.In 1948, James Baldwin, like many African American writers before him, left the United States to live and write in Paris. Around this time, Baldwin had been reading the work of the earlier White American novelist Henry James, who had also left his homeland to write from Europe. Baldwin may have been attracted to James’s thematic focus on “the eternal outsider” as an alternative to the protest tradition of fiction, with its explicit social and political didacticism—a tradition that Baldwin found to be confining. Baldwin aspired to achieve in his fiction the kind of universalism that mainstream critics and readers did not usually associate with the work of Black writers, he was determined, he said to prevent himself from becoming “merely a Negro writer.” While Baldwin’s first novel, Go Tell It on the Mountain (1953), is set in the African American community of Harlem and features characters closely modeled on Baldwin’s own family, his second novel, Giovanni’s Room (1956), moved far beyond this social setting: its narrator is a White American living in Paris,and all the other characters are White as well. Indeed, critic Leslie Fiedler found it odd that not a single African American appeared in the Paris of the novel, despite their well-known presence in that city.Though Baldwin’s use of an all-White cast seemed brave when the novel was first published, there were notable precedents. For African American writers at the turn of the twentieth century, such as Charles Chesnutt and Paul Laurence Dunbar, the so-called raceless novel featuring White characters and plots devoid of racial and social themes was a commercial venture, usually a love story. Late, in the 1930s and 1940s, William Attaway, Chester Himes, and Willard Motley, influenced by the naturalist movement, which had brought the ethnic working class into American literature, all wrote novels about White characters struggling with social and economic obstacles. However, these novels’ explicit acknowledgment of their characters’ so cial and ethnic backgrounds meant that they were not considered “raceless” in the old-fashioned sense. The “raceless” novel returned with Richard Wright’s Savage Holiday(1954). Wright’s portrait of a White New York insurance executive suffering a breakdown was greeted in some quarters with the argument that in dealing exclusively with White characters, Wright had denied himself the subject matter that had given his other work its ferocious animation. But either the novel with White ethnic main characters o r the “raceless” novel appears, at least as an experiment, in the careers of the best-known expatriate African American writers. In the 1950s, African American writers had few chances to demonstrate that they had any knowledge of life that did not have something to do with Black. Those who wrote about White characters were, in effect, questioning the definitions of the Black writer, if not of African American literature itself.3. The author of the passage suggests that Baldwin shared which of the following with the African American writers discussed in the last sentence of the passage?(A) An interest in presenting American characters in European settings.(B) A desire to challenge some readers’ and critics’ assumptions about Black writers.(C) A skepticism about the effectiveness of didacticism in fiction.(D) A preoccupation with the theme of “the eternal outsider”(E) A dissatisfaction with earlier Black writers’ “raceless” novels.4. It can be inferred that the author of the passage mentions an observation by Leslie Fiedler primary in order to(A) emphasize the deliberateness of Baldwin’s exclusion of African American characters from Giovanni’s Room.(B) contrast Baldwin’s depiction of certain themes in Giovanni’s Room with his treatment of those themes in Go Tell It on the Mountain.(C) suggest that Giovanni’s Room did not win Baldwin the kind of response he had hoped for from mainstream critics.(D) explain why Baldwin chose to set Giovanni’s Room in a European rather than American city(E) challenge one view about why Baldwin chose to write a novel in which the narrator and all the other characters are White.5. The passage suggests that which of the following was one possible reason for Baldwin’s interest in the work of Henry James?(A) Similarities between James’s and Baldwin’s ideas about literary style.(B) Similarities between James’s and Baldwin’s reasons for leaving the United States to write in Europe.(C) James’s use of social and political themes for didactic purpose.(D) James’s reputation among mainstream critics and readers for addressing universal themes.(E) James’s treatment of a theme that Baldwin found to be less confining than themes of protest fiction.6. The author of the passage mentions William Attaway, Chester Himes and Willard Motley primarily in order to(A) suggest that critics may have been more accepting of protest fiction by African American writers when that fiction did not directly address African Americans’ experience(B) illustrate a point about African American novel ists’ success in presenting subject matter not usually associated with African American literature.(C) distinguish a view about African American literature held by certain African American writers of the 1930s and 1940s from a view held by many earlier writers. (D) challenge some critics’ view that African American novelists sacrificed an important source of power in their work when they chose to focus on White characters(E) support the point that Baldwin’s exclusive focus on White characters in Giovanni’s Room was not an unprecedented choice for an African American novelist.Unlike most plants, cactuses absorb carbon dioxide from the air mainly at night. Night air contains greater quantities of certain types of carbon than does daytime air. Consequently, these types of carbon are more common in cactuses than in mostother plants. Quintral plants, however, which grow as parasites on cactuses, contain nearly the same proportions of these types of carbon as cactuses. Therefore, quintral plants probably take significant quantities of carbon from their cactus hosts, since ______.7. Which of the following most logically completes the passage above?(A) in the desert climates where cactuses grow, carbon dioxide is significantly more abundant in the air during the day than at night.(B) cactuses that have quintral plants growing as parasites on them do not absorb as much carbon dioxide from the air as do cactuses of comparable size that are free of parasites.(C) quintral plants are the only kind of parasites that grow on such kinds of cactuses.(D) in areas where quintral plants are common, individual cactuses often have several such plants.(E) nearly all of the carbon dioxide absorbed from the air by quintral plants is absorbed during the day.Historian Colin Calloway argues that in the late colonial period preceding the American Revolution (1775-1783), the British government sought to seal off territory west of the Appalachian Mountains from the encroachment of land-hungry White settlers, to negotiate with Native American peoples as independent foreign states, and to guarantee the integrity of traditional Native American hunting grounds. By contrast, White Americans, released by the outbreak of the Revolution from the constraints of Britain’s allegedly benev olent policies, are portrayed by Calloway as ruthless land-grabbers whose new national government endorsed their rapacity. Bernard Bailyn argues, however, that the “Americans” who encroached on Native American land during the Revolution had been British only a few years before. When, during and after the Revolution, White Americans seized Native American land by any available means, they were continuing a tradition dating back to the earliest years of English settlement in North America. And, according to B ailyn, the British government’s prewar efforts to preserve the trans-Appalachian west for Native Americans resulted not from humanitarian virtue or ethnic tolerance but from British merchants’ desire to maintain their lucrative trade with Native Americans and the government’s desire to control immigration and avoid costly conflict between Whites and Native Americans over land.8. The primary purpose of the passage is toA. suggest that how different arguments about a particular historical period are both questionableB. present historical evidence that undermines a widely accepted viewpointC. defend a revisionist historian’s thesis against traditionalist criticismD. outline opposing interpretations of a particular historical phenomenonE. resolve a dispute among historians over a controversial historical episode9. The reference to “the earliest years of English settlement in North America” serves primarily toemphasize the point thatA. Calloway has exaggerated the ruthlessness and rapacity of White settlers in their relationswith Native Americans prior to the American RevolutionB. seizure of Native American lands by White settlers had increased dramatically throughout thetime of British colonial ruleC. at one time White settlers had negotiated with Native American peoples as independentforeign statesD. White settlers had no legitimate grounds for claiming title to land they seized west of theAppalachian MountainsE. aggression by White settlers against Native Americans during and after the AmericanRevolution was not a new phenomenon10. It can be inferred that both Bailyn and Calloway would probably agree with which of the following assertions regarding the relations between White Americans and Native Americans concerning the trans-Appalachian WestA. The American Revolution unleashed an unprecedented wave of expropriation of NativeAmerican land by White settlers.B. The British government’s prewar policy towards the Native Americans was determinedlargely by the interests of British merchants who traded with the Native Americans.C. The British government tried to keep White settlers out of the trans-Appalachian westprimarily in order to prevent disputes over land between those settlers and Native Americans.D. The new national government created by the American Revolution had less incentive than didthe British colonial government to negotiate with Native American peoples as independent foreign states.E. One objective of the British government’s land policy prior to the American Revolution wasto prevent White settlers from moving to the western side of the Appalachian Mountains.。