无老师，教育类有影响力作家，是目前我国托福界影响力top 1，对真题研究深入程度top 1，对考生了解程度No.1。无老师是一群托福精英，他们对语言有着狂热的爱好，对培训有着丰富的经验。无老师是一个心愿，希望考生能够培养出良好的学习习惯，在考试中取得高分，而且能因这种优秀的习惯受益终生。无老师的资料总是极好的，比如这本《7天搞定托福单词》。

List 1 第一天 

390 states（state [steIt] ）n. 状况，状态 v. 陈述

56 statements（statement ['steItmJnt] ） n. 陈述

Example: Variousemotional states give rise to certain patterns of electrical activity in thefacial muscles and in the brain

311 form [fO:m] n. 形状 v. 形成

5 deformed（deform [di:'fO:m] ） v. 使变形；使成畸形

3 reform [rI'fO:m] v. 改造；改革n. 改良

Example: Some mountains were formed as a result of these platescrashing into each other and forcing up the rock at the plate margins.

281 plants（plant [plA:nt] ） n. 植物，工厂 v. 种植

10 plantation [pl&n'teISJn] n. 种植园，大农场

3 transplanted（transplant [tr&ns'plA:nt] ） v. 移居，迁移

Example: Animal dung enriches the soil by providing nutrients forplant growth.

275 mentioned（mention ['menSJn] ） v. 提到

Example: In 1875 one biologist pointed out thediversity of butterflies in the Amazon when he mentioned that about 700 specieswere found within an hour’s walk, whereas the total number found on the British islands didnot exceed 66, and the whole of Europe supported only 321.

274 century ['sentSUrI] n. 世纪；百年

Example: Even though the fine arts in thetwentieth century often treat materials in new ways, the basic difference in attitude ofartists in relation to their materials in the fine arts and the applied artsremains relatively constant.

274 author ['O:TJ] n. 作者

11 authority [O:'TQrItI] n. 专家，威信

Example: The author presents two theories for a historicalphenomenon.

248 species ['spi:SIz] （单复数同型） n. 种类；人类

3 subspecies ['sVb%spi:Si:z] n. 亚种

Example: Some species of tuna have specialized grooves in theirtongue.

226 art [A:t] n. 艺术

Example: Tunas, mackerels, and billfishes have made streamlininginto an art form. Their bodies are sleek and compact.

191 produced（produce [prJ'dju:s] ） v. 生产 n. 产品

69 production [prJ'dVkSJn] n. 生产

53 products（product ['prQdJkt] ） n. 产品

25 reproduction [%ri:prJ'dVkSJn] n. 生殖；复制

16 reproduce [%ri:prJ'dju:s] v. 繁殖；翻拍；复制

10 productivity [%prQdVk'tIvJtI] n. 生产力

6 productive [prJ'dVktIv] adj. 多产的

6 reproductive ['ri:prJ'dVktIv] adj. 再生的；复制的

Example: Other...maybe raised by earthquakes, which fracture the Earth’s crust and can displace enoughrock to produce block mountains. 

167 increase [In'kri;s] v. 增加

Example: To increase the society’sprosperity...

150 cause [kO:z] v. 导致 n. 原因

Example: Wind velocity also increases withaltitude and may cause serious stress for trees, as is made evident by the deformedshapes at high altitudes.

136 regions（region ['ri:dZJn] ） n. 区域

Example: It ranges from sea level in the PolarRegions to 4,500 meters in the dry subtropics and 3,500~4,500 meters in the moist tropics.

131 sentence ['sentJns] v. 宣判 n. 句子

Example: Where would the sentence best fit?

129 population [%pQpjU'leISJn] n. 居民；人口

Example: Have populations that are unstablebeen in response to climate conditions?

124 study ['stVdI] v. 研究 n. 研究

Example: It is conceivable that before goinghunting the hunters would draw or study pictures of animals and imagine asuccessful hunt.

124 fossils（fossil ['fQsl] ） n. 化石

9 fossilization [%fQsJlaI'zeISJn] n. 化石作用

7 fossilized（fossilize ['fQsJlaIz] ） v. 使成化石

Example: Pakicetus is the oldest fossil whale yet to be found.

121 theory ['TIJrI] n. 理论，……论

11 theorists（theorist ['TIJrIst] ） n. 理论家

4 theorized（theorize ['TIJraIz] ） v. 建立理论；理论化

Example: According to psychodynamic theory, the best ways to prevent harmfulaggression may be to encourage less harmful aggression.

121 term [tJ:m] v. 把……称为 n. 学期，任期

Example: During Jackson’s second term, his opponentshad gradually come together to form the Whig Party.

121 artists（artist ['A:tIst] ） n. 艺术家

40 artistic [A:'tIstIk] adj. 艺术的；美术的

Example: For example, some early societies ceased to consider certain ritesessential to their well-being and abandoned them, nevertheless, they retained as parts of their oraltradition the myths that had grown up around the rites and admired them fortheir artistic qualities rather than for...

117 design [dI'zaIn] v. 设计

6 designers（designer [dI'zaInJ] ） n. 设计者

Example: Architectureis the art and science of designing structures that organize and enclose spacefor practical and symbolic purposes. 

113 source [sO:s] n. 来源，根源

Example: This unprecedented development of afinite groundwater resource with an almost negligible natural rechargerate—that is, virtually no natural water source to replenish the water supply—has causedwater tables in the region to fall drastically.

110 environment [In'vaIrJnmJnt] n. 环境

7 environmentalists（environmentalist[In%vaIrJn'mentJlIst] ） n. 环境保护论者

Example: Many ecologists now think that the relative long-termstability of climax communities comes not from diversity but from the“patchiness” of the environment, an environment that varies from place to place supportsmore kinds of organisms than an environment that is uniform.

108 period ['pIJrIJd] n. 时期

6 periodic [pIJrI'QdIk] adj. 定期的

5 periodically [%pIJrI'QdIk(J)lI] adv. 周期性地；偶尔

Example: In the long run, electricity from large wind farms in remote areas mightbe used to make hydrogen gas from water during periods when there is less thanpeak demand for electricity.

107 society [sJ'saIJtI] n. 社会

Example: Some theories of theater developmentfocus on how theater was used by group leaders to govern other members ofsociety.

107 activities（activity [&k'tIvItI] ） n. 行动；活动

Example: There is little doubt, however, thatdesertification in most areas results primarily from human activities ratherthan natural processes.

106 mass [m&s] n. 块 adj. 大规模的

Example: The cinema did not emerge as a form ofmass consumption until its technology evolved from the initial “peepshow”format to the point where images were projected on a screen in a darkenedtheater.

105 since [sIns] conj. 因为，从……至今

Example: Since the raising of most cropsnecessitates the prior removal of the natural vegetation, crop failuresleave extensive tracts of land devoid of a plant cover and susceptible to windand water erosion.

105 emotions（emotion [I'mJUSJn] ） n. 情绪

35 emotional [I'mJuSJnl] adj. 情绪的

Example: In psychodynamic theory, the purging of strong emotions or therelieving of tensions...

105 communities（community [kJ'mju:nItI] ）n. 人群，很多个体的集合体，社区

Example: Each SMSA would contain at least onecentral city with 50, 000 inhabitants or more or two cities having shared boundaries andconstituting, for general economic and social purposes, a single community with a combinedpopulation of at least 50, 000, the smaller of which must have a population of at least 15, 000.

104 organisms（organism ['O:gJnIzJm] ） n. 生物

5 microorganisms（microorganism [%maIkrJU'O:gJnIz(J)m] ） n. 微生物

List 1 第一天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 2 第二天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 3 第三天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 4 第四天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 5 第五天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 6 第六天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

List 7 第七天 /

本天前测 / 答案与精进/

本天乱序 / 答案与精进/

《7天搞定托福单词（第三版）》在修订之后，对内容做了调整。全书分为大书和镇魂单词手册。

大书将所有托福真题文章的内容合并在一起进行词频统计。统计结束之后，无老师再将所有单词根据出现频率由高到低排列，使我们先背出现次数多的，保证了背诵的较高效率。为了提高新托福考试的单词在这本单词书中的排位，本书在统计之前就已经将新托福文章里的单词按照两次进行计算，保证考友们背的单词是*鲜活的单词。

大书里的单词是按照出现频率从高到低的次序排列的，因此极大地满足了不同考友的个性化需要。如果你需要考到100分以上，那么你就要把所有单词都背过，但是如果你仅需要考80分，那么你就可以不背出现频率为3次的单词，因为它们被考到的几率相对偏小。

在同一出现频率上，大书也是打破了传统的排列方法，采用由z～a的排列方式。这样可以防止在背诵时产生疲劳感。

书中配有前测、词频和不同词序的记忆法。对于这本书，你可以背诵、测试、听音，循环往复。对于无老师，你可以咨询、群聊或者微博互动。如果你确实希望托福高分，无老师是你*可以信赖的坚强后盾

附赠的小册子是著名的《镇魂单词包》，已经根据*题库做了调整。经过广大托福考生实践过，可以在考场上起到胸有成竹，超水平发挥的神奇效果。

《7天搞定托福单词》被网友们称为“史上全面性top1、背诵效率No.1的托福词汇书”。书中所有的单词来自真实的托福考试，超强词频统计配合极具效率的单词排列形式。《7天搞定托福单词（第三版）》更新镇魂单词包，让备考更具自信。

7天的概念不是凭空诞生的，而是基于无老师对于心理学研究和考生复习特点的综合把握。按照心理学研究成果，“背单词”如果能坚持重复21天以上，你就会形成习惯；如果坚持重复90天以上，你就会形成稳定习惯；如果能坚持重复365天以上，你想改变都很困难。

书中配有前测、词频和不同词序的记忆法。对于这本书，你可以背诵、测试、听音，循环往复。对于无老师，你可以咨询、群聊或者微博互动。如果你确实希望托福高分，无老师是你可以信赖的坚强后盾。