留学群专题频道托福阅读长难句分析栏目，提供与托福阅读长难句分析相关的所有资讯，希望我们所做的能让您感到满意！
对于托福阅读考试来说，很多人都觉得托福阅读长句很难，那么今天就和留学群的小编来了解一下2018年托福阅读长难句分析：呼吸空气交换量。
托福阅读长难句：The amount of air exchanged is even lower in REM than NREM because， although breathing is more rapid in REM， it is also more irregular， with brief episodes of shallow breathing or absence of breathing. （TPO24 Breathing During Sleep）
结构标记：The amount（主语）of air exchanged （介词短语作后置定语）is（谓语） even lower（表语） in REM than NREM because， although breathing is more rapid in REM（让步状语从句）， it is also more irregular（原因状语从句）， with brief episodes of shallow breathing or absence of breathing（介词短语作状语）.
托福阅读长难句句子分析：本句的主句是The amount of air exchanged is even lower in REM than NREM。在主句之后是because引导的原因状语从句：because it is also more irregular。而在这个原因状语中，插入了although引导的让步状语从句，造成一定的阅读困扰，可以先跳过。本句最后with的介词短语则是作为伴随状语。
托福阅读长难句词汇精记：
REM是rapid eye movement的缩写，指的是睡眠中快速眼球运动的阶段，也叫浅度睡眠阶段；NREM是non-rapid eye movement的缩写，指的是睡眠中无快速眼球运动的阶段，也叫深度睡眠阶段。
irregular作形容词，表示“不规则的；无规律的；不定期的”，比如：His heartbeat sounded irregular. 他的心跳听起来不均匀。Jason’s attendance at school has been somewhat irregular. 杰森一直有点不按时上学。
brief作形容词，表示“短暂的；简洁的”，比如：Could I have a brief word with you， Mr Thomas？ 托马斯，我能和你说几句话吗？a brief note of thanks 简短的感谢信。brief作名词，还有“摘要”的意思，比如：He drew up a brief for his speech. 他起草了一份讲话的摘要。
episode作名词，表示“（一系列事件中的）一个事件；（单独的）一段时间；插曲”，比如：It is one of the saddest episodes in the history of the army. 这是军队历史上最令人伤心的事件之一。该词是托福阅读词汇题所考查过的单词，与“occurrence”意思接近。
shallow作形容词，表示“浅...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
Now that we know much more about ancient exchange and commerce, we know that, because no one aspect of trade was an overriding cause of cultural change or evolution in commercial practices, trade can never be looked on as a unifying factor or as a primary agent of ancient civilization. ( TPO41, 50)
overriding adj. 最重要的
agent n.动因，成因
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托福阅读长难句分析：
(Now that we know much more about ancient exchange and commerce), we know that, (becauseno one aspect of trade was an overriding cause of cultural change or evolution in commercial practices), trade can never be looked on as a unifying factor or as a primary agent of ancient civilization. ( TPO41, 50)
这个句子的结构：
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
Others have blamed extinction on competition from the mammals, which allegedly ate all the dinosaur eggs--except that mammals and dinosaurs appeared at the same time in the Late Triassic, about 190 million years ago, and there is no reason to believe that mammals suddenly acquired a taste for dinosaur eggs after 120 million years of coexistence. (TPO42, 56)
allegedly/ə'ledʒidli/ adv.据称，据传闻
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Others have blamed extinction on competition from the mammals, (which al
legedly ate all the dinosaur eggs)--except (that mammals and dinosaurs appeared at the same time in the Late Triassic, about 190 million years ago, and there is no reason to believe that mammals suddenly acquired a taste for dinosaur eggs after 120million years of coexistence.) (TPO42, 56)
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
Dinosaurs rapidly became extinct about 65 million years ago as part of a mass extinction known as the K-T event, because it is associated with a geological signature known as the K-T boundary, usually a thin band of sedimentation found in various parts of the world. (K is the traditional abbreviation for the Cretaceous, derived from the German name Kreideieit). ( TPO42, 60)
abbreviation /ə'brivɪ'eʃən/ n. 简略，缩短
derive /dɪ'raɪv/ v. 获得，得到;源自，源于
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Dinosaurs rapidly became extinct about 65 million years ago (as part of a mass extinction) (known as the K-T event),(because it is associated with a geological signature) (known as the K-T boundary), (usually a thin band of sedimentation found in various parts of the world). (K is the traditional abbreviation for the Cretaceous, (deriv...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
As relative newcomers to the Southwest, a place where their climate, neighbors,and rulers could be equally inhospitable, the Navajo created these art forms to affect the world around them, not just through the recounting of the actions symbolized, but through the beauty and harmony of the artworks themselves. (TPO41, 49)
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(As relative newcomers to the Southwest), (a place) (where their climate, neighbors, and rulers could be equally inhospitable), the Navajo created these art forms to affect the world around them, (not just through the recounting of the actions symbolized, but through the beauty and harmony of the artworks themselves. ) (TPO41, 49)
托福阅读长难句100句分析：
这个句子的主干部分：
the Navajo created these art forms to affect the world around them
修饰一：(As relative newcomers to the Southwest)，介词短语
中文：作为西南部相对较新的人
修饰二：(a place) ，同位语
中文：一个地方
修饰三：(where their climate, neighbors,and rulers could be equally inhospitable) ，从句
中文：在那里气候恶劣、邻居冷漠以及统治者暴政
修...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
The answer to the first question is that carbon dioxide is still found in abundance on Earth, but now, instead of being in the form of atmospheric carbon dioxide, it is either dissolved in the oceans or chemically bound into carbonate rocks, such as the limestone and marble that formed in the oceans. ( TPO41, 53)
abundance /ə'bʌnd(ə)ns/ n. 丰富，充裕
atmospheric /ætməs'ferɪk/ adj. 大气的
dissolve /dɪ'zɒlv/ v. 溶解
limestone /ˈlaɪmˌstəʊn/ n. 石灰石
marble /'mɑːb(ə)l/ n. 大理石
大家自己先读，不回读，看一遍是否能理解
The answer to the first question is ( that carbon dioxide is still found in abundance on Earth), but now, (instead of being in the form of atmospheric carbon dioxide),...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句创造雅典民主的相关资讯，欢迎参考!
Cleisthenes' principal contribution to the creation of democracy at Athens was to complete the long process of weakening family and clan structures, especially among the aristocrats, and to set in their place locality-based corporations called demes, which became the point of entry for all civic and most religious life in Athens. (TPO40, 51)
democracy /dɪ'mɒkrəsɪ/ n. 民主，民主政治，民主制度
clan /klæn/ n. 宗族，家族;集团，帮会
aristocrat /'ærɪstəkræt/ n. 贵族
civic /'sɪvɪk/ adj. 城市的;市民的，公民的
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Cleisthenes' principal contribution (to the creation of democracy at Athens) was (to complete the long process of weakening family and clan structures), (especially among the aristocrats), and (to s...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句暴君继承者的相关资讯，欢迎参考!
The Peisistratids, as the succession of tyrants were called (after the founder of the dynasty, Peisistratos), strengthened Athenian central administration at the expense of the aristocracy by appointing judges throughout the region, producing Athens' first national coinage, and adding and embellishing festivals that tended to focus attention on Athens rather than on local villages of the surrounding region. (TPO40, 58)
tyrant /'taɪrənt/ n. 专制君主，暴君
aristocracy /ˌærɪ'stɒkrəsɪ/ n. 贵族阶级，贵族
coinage /'kɒɪnɪdʒ/ n. 铸造硬币;货币制度
embellish /ɪm'belɪʃ/ v. 美化﹑装饰或修饰某物;渲染
大家自己先读，不回读，看一遍是否能理解
The Peisistratids, (as the succession of tyrants were called (after the founder of the dynasty,Peisistratos)), strengthened Athe...
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句雅典贵族选举的相关资讯，欢迎参考!
The first steps toward change were taken by Solon in 594 B.C., when he broke the aristocracy’s stranglehold on elected offices by establishing wealth rather than birth as the basis of office holding, abolishing the economic obligations of ordinary Athenians to the aristocracy, and allowing the assembly (of whichall citizens were equal members) to overrule the decisions of local courts in certain cases. (TPO40, 64)
aristocracy /ˌærɪ'stɒkrəsɪ/ n. 贵族阶级，贵族
stranglehold /'stræŋɡlhəuld/ n. 扼制，压制，束缚
abolish /ə'bɒlɪʃ/ v. 废除，废止
obligation /ɒblɪ'geɪʃ(ə)n/ n. 义务，职责
assembly /ə'semblɪ/ n. 集合，集会;装配，安装
overrule /əʊvə'ruːl/ v. 否决，驳回
大家自己先读，不回读，看一遍是否能理解
托福阅读考试一直是很多学生的难点，因为中西思维不同，中英文句式有很大的差异，阅读考试中的长难句很重要。那么留学群小编整理了相关的资料，希望可以帮助考生度过考试的难关，下面是小编搜集的托福阅读考试长难句的相关资讯，欢迎参考!
The tropics contain a larger surface area of land than higher latitudes——a fact that is not always evident when we examine commonly used projections of Earth's curved surface, since this tends to exaggerate the areas of land in the higher latitudes——and some biogeographers regard the differences in diversity as a reflection of this effect. (TPO40, 55)
tropics n. 热带
projection n. 发射，投射;
exaggerate /ɪg'zædʒəreɪt/ v. 夸张，夸大
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The tropics contain a larger surface area of land than higherlatitudes——(a fact) (that is not always evident) (when we examine commonly used projections of Earth's curved surface), (since this tends to exaggerate the areas of land in the higher latitudes)——and some biogeographers regard the differences in diversity as a refle...
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