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[Sentence Correction]

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题目：

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

选项:

A、On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow
B、On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth
C、On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles
D、Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate
E、Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

答案:

E
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题目：

According to recent studies comparing the nutritional value of meat from wild animals and meat from domesticated animals, wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is good for cardiac health.

选项:

A、wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is
B、wild animals have less total fat than livestock fed on grain and more of a kind of fat thought to be
C、wild animals have less total fat than that of livestock fed on grain and have more fat of a kind thought to be
D、total fat of wild animals is less than livestock fed on grain and they have more fat of a kind thought to be
E、total fat is less in wild animals than that of livestock fed on grain and more of their fat is of a kind they think is

答案:

B
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题目：

Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two.

选项:

A、one arm is lost it quickly replaces it, sometimes by the animal overcompensating and
B、one arm is lost it is quickly replaced, with the animal sometimes overcompensating and
C、they lose one arm they quickly replace it, sometimes by the animal overcompensating,
D、they lose one arm they are quickly replaced, with the animal sometimes overcompensating,
E、they lose one arm it is quickly replaced, sometimes with the animal overcompensating,

答案:

B
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[Sentence Correction]

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题目：

Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.

选项:

A、Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
B、An executive who is heavily committed to a course of action, especially one that worked well in the past, makes missing signs of incipient trouble or misinterpreting ones likely when they do appear.
C、An executive who is heavily committed to a course of action is likely to miss or misinterpret signs of incipient trouble when they do appear, especially if it has worked well in the past.
D、Executives' being heavily committed to a course of action, especially if it has worked well in the past, makes them likely to miss signs of incipient trouble or misinterpreting them when they do appear.
E、Being heavily committed to a course of action, especially one that has worked well in the past, is likely to make an executive miss signs of incipient trouble or misinterpret them when they do appear.

答案:

E
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[Problem Solving]

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题目：

The charge for a single room at Hotel P  is 25 percent less than the charge for a single room at Hotel R  and 10 percent less than the charge for a single room at Hotel G . The charge for a single room at Hotel R  is what percent greater than the charge for a single room at Hotel G  ?

选项:

A、15%
B、20%
C、40%
D、50%
E、150%

答案:

B
18答疑

[Critical Reasoning]

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题目：

In the year following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent.  In contrast, in the year prior to the tax increase, sales had fallen one percent.  The volume of cigarette sales is therefore strongly related to the after-tax price of a pack of cigarettes.
 
The argument above requires which of following assumptions?

选项:

A、During the year following the tax increase, the pretax price of a pack of cigarettes did not increase by as much as it had during the year prior to the tax increase.
B、The one percent fall in cigarette sales in the year prior to tax increase was due to a smaller tax increase.
C、The pretax price of a pack of cigarettes gradually decreased throughout the year before and the year after the tax increase.
D、For the year following the tax increase, the pretax price of a pack of cigarettes was not eight or more cents lower than it had been the previous year.
E、As the after-tax price of a pack of cigarettes rises, the pretax price also rises.

答案:

D
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题目：

For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle.

选项:

A、each a roof of poles and arrowweed
B、each a roof of poles and arrowweed that are being
C、with each being a roof of poles and arrowweed
D、with roofs of poles and arrowweed to be
E、with roofs of poles and arrowweed that are

答案:

A
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题目：

Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.

选项:

A、Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.
B、Although named for the New Mexico site where first discovered in 1932, Clovis points are spear points of longitudinal grooves chipped onto their faces and have been found all over North America.
C、Named for the New Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North America.
D、Spear points with longitudinal grooves that are chipped onto the faces, Clovis points, even though named for the New Mexico site where first discovered in 1932, but were found all over North America.
E、While Clovis points are spear points whose faces have longitudinal grooves chipped into them, they have been found all over North America, and named for the New Mexico site where they have been first discovered in 1932.

答案:

A
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题目：

The remarkable similarity of Thule artifacts throughout a vast region can, in part, be explained as a very rapid movement of people from one end of North America to the other.

选项:

A、The remarkable similarity of Thule artifacts throughout a vast region can, in part, be explained as
B、Thule artifacts being remarkably similar throughout a vast region, one explanation is
C、That Thule artifacts are remarkably similar throughout a vast region is, in part, explainable as
D、One explanation for the remarkable similarity of Thule artifacts throughout a vast region is that there was
E、Throughout a vast region Thule artifacts are remarkably similar, with one explanation for this being

答案:

D
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题目：

A ruined structure found at Aqaba, Jordan, was probably a church, as indicated in its eastward orientation and by its overall plan, as well as artifacts, such as glass oil-lamp fragments, found at the site.

选项:

A、A ruined structure found at Aqaba, Jordan, was probably a church, as indicated in its eastward orientation and by its overall plan, as well as
B、A ruined structure found at Aqaba, Jordan, once probably being a church, was indicated by its eastward orientation, overall plan, and
C、Indicating that a ruined structure found at Aqaba, Jordan, was probably a church were its eastward orientation and overall plan, but also the
D、A ruined structure found at Aqaba, Jordan, was probably a church, as indicates its eastward orientation and overall plan, as well as the
E、That a ruined structure found at Aqaba, Jordan, was probably a church is indicated by its eastward orientation and overall plan, as well as by the

答案:

E
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[Undefined]

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The "silver lining to the Black Death" (the highlighted text) refers to which of the following?
选了C，这道题怎么判断
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[GWD]

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The passage is primarily concerned with
想问一下唐瑭老师，这个c选项按照课上说的，我自己感觉是比b的范围要宽，想听下唐老师的解释为什么c不对，是不是我判断错了? 因为里面有很具体的提到certain，question一类的词
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[Undefined]

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The passage is primarily concerned with
The debate over the environmental crisis is not new; anxiety about industry's impact on the environment has existed for over a century. What is new is the extreme polarization of views. Mounting evidence of humanity's capacity to damage the environment irreversibly coupled with suspicions that government, industry, and even science might be impotent to prevent environmental destruction have provoked accusatory polemics on the part of environmentalists. In tum, these polemics have elicited a corresponding backlash from industry. The sad effect of this polarization is that it is now even more difficult for industry than it was a hundred years ago to respond appropriately to impact analyses that demand action. Unlike today's adversaries, earlier ecological reformers shared with advocates of industrial growth a confidence in timely corrective action. George P. Marsh' s pioneering conservation tract Man and Nature (1864) elicited wide acclaim without embittered denials. Man and Nature castigated Earth's despoilers for heedless greed, declaring that humanity "has brought the face of the Earth to a desolation almost as complete as that of the Moon." But no entrepreneur or industrialist sought to refute Marsh' s accusations. to defend the gutting of forests or the slaughter of wildlife as economically essential. or to dismiss his ecological warnings as hysterical. To the contrary, they generally agreed with him. Why? Marsh and his followers took environmental improvement and economic progress as givens; they disputed not the desirability of conquering nature but the bungling way in which the conquest was carried out. Blame was not personalized; Marsh denounced general greed rather than particular entrepreneurs, and the media did not hound malefactors. Further, corrective measures seemed to entail no sacrifice, to demand no draconian remedies. Self-interest underwrote most prescribed reforms. Marsh's emphasis on future stewardship was then a widely accepted ideal (if not practice). His ecological admonitions were in keeping with the Enlightenment premise that humanity's mission was to subdue and transform Nature. Not until the 1960s did a gloomier perspective gain popular ground. Frederic Clements' equilibrium model of ecology, developed in the 1930s. seemed consistent with mounting environmental disasters. In this view, nature was most fruitful when least altered. Left undisturbed, flora and fauna gradually attained maximum diversity and stability. Despoliation thwarted the culmination or shortened the duration of this beneficent climax; technology did not improve nature but destroyed it. The equilibrium model became an ecological mystique: environmental interference was now taboo. wildemess adored. Nature as unfinished fabric perfected by human ingenuity gave way to the image of nature debased and endangered by technology. In contrast to the Enlightenment vision of nature. according to which rational managers construct an ever more improved environment twentieth-century reformers' vision of nature calls for a reduction of human interference in order to restore environmental stability. Which one of the following most accurately states the main idea of the passage? (A) Mounting evidence of humanity's capacity to damage the environment should motivate action to prevent further damage. (B) The ecological mystique identified with Frederic Clements has become a religious conviction among ecological reformers. (C) George P. Marsh's ideas about conservation and stewardship have heavily influenced the present debate over the environment. (D) The views of ecologists and industrial growth advocates concerning the environment have only recently become polarized. (E) General greed, rather than particular individuals or industries, should be blamed for the environmental crisis 想请张惠雯老师帮忙解答！这是一篇LSAT文章，问下主旨 文章大致读到第三段后面有点不之所措。 ·新鲜的是观点的两极分化 ·一些什么证据激起了对环境学家的谴责性争议 ·而这些争议也引起了行业内的集体反抗 ·讲了一个两极分化的负面影响，跳过 ·早期生态改革者与工业发展的支持者之间存在什么共同之处，后面全是细节都在讲生态家和工业发展支持者之间的关系。跳 ·跳到相反，他们都支持他 即往上看 企业家什么都支持MARSH ·第二段就是在解释为什么支持Marsh的控告。 通过逻辑词汇第二段全部跳了 ·第三段直到什么六十年代一个悲观的观点才获得广泛的基础；这个模型与mounting 环境灾难一致 ·介绍了FC的生态均衡模型（应该就是这个gloomier view），第三段跳了 ·第四段还在谈这个模型：成为了一个生态的mystique 跳了 疑问：第三段和前面之间的关系，读不出gloomier perspective与前面的什么企业家支持Marsh的控告之间有什么逻辑关系，文章说与什么环境灾难一致，我就被弄糊涂了，到底是与什么一致，是反驳了Marsh还是就提出另外一个观点。文章又很长，读太多容易被带跑。
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Economist: The most economically efficient way to reduce emissions of air pollutants is to tax them in proportion to the damage they are likely to cause. But in Country Y, many serious pollutants are untaxed and unregulated, and policy makers strongly oppose new taxes. Therefore, the best way to achieve a reduction in air pollutant emissions in Country Y would be to institute fixed upper limits on them.

Which of the following is an assumption of the economist’s argument?
请问英吉老师，不太理解og中对选项的解释，觉得对此题解释很复杂。其实对于逻辑题的选项，我们只分析有关无关，是加强还是削弱就足够能解题了是吗？一般题目不必再去细抠更具体的解释了吧?谢谢。
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[OG18]

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The heavy traffic in Masana is a growing drain on the city’s economy—the clogging of the streets of the central business district alone cost the economy more than $1.2 billion over the past year. In order to address this problem, officials plan to introduce congestion pricing, by which drivers would pay to enter the city’s most heavily trafficked areas during the busiest times of the day.

Which of the following, if true, would most strongly indicate that the plan will be a success?
英吉老师，想问一个此题和写作之间的问题。此题正确答案C选项是属于类推，但在写作部分找原文问题是，我们常常会提出一类错误就是，一个地方的成功不代表另一个地方的成功，为什么逻辑选择题中就可以呢？在写作讲解视频中，有些题目有这种类推时，会把这种类推作为问题提出来，有的题目却没有把它作为问题提出来，请问是不是只要是这种类推就应该被当做问题提出来?这样的话基本上每个题都会有这个问题是吗？类似的类推还有一个过去不能代表将来的问题，是不是也应该基本每个题目都会有这个问题?谢谢。
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[Undefined]

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Unlike other Mayan cities, Canc??n's commercial power throughout the lowlands seems to be from using its strategic position at the foot of the highlands, which were a source of jade, obsidian, and other valuable commodities.
我能通过比较对象排除ABC。剩余DE如何比较呢？我能根据to become选出D。但有几个问题： seemed to be using 和 seems to have used 的区别是啥？ 逗号+which was a source of 和 逗号+ a source of 的意思是一样的吗？都是修饰前面的名词foot of the highlands吗？ in becoming 和 to become 中，我觉得to become表达更好，表示目的。那 in becoming 表达的意思是什么呢？
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 The author's main point is that
我选的是a 谢谢老师解答一下
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[GWD]

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Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives.  However, since there are several wine makers who add sulfites to none of the wines they produce, people who would like to drink wine but are allergic to sulfites can drink wines produced by these wine makers without risking an allergic reaction to sulfites. 
 

Which of the following is an assumption on which the argument depends?

我看老师在录播里直接把有否定的优先考虑，没有否定的不优先，这个是为啥呢，是关于假设题的比较大概率正确的解题技巧吗？？老师说下吧。。
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Diabetes, together with its serious complications, ranks as the nation’s third leading cause of death, surpassed only by heart disease and cancer.
请问这句话为什么不用被动语态（Diabetes应该是被排名为全国第三大致死原因吧？）？如果E选项把have改成has是否可选呢？
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[Undefined]

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Those skeptical of the extent of global warming argue that short-term temperature data are an inadequate means of predicting long-term trends and point out that the scientific community remains divided on whether significant warming will occur and what impact will it have if it does.
AE， 当时看A选项后面的if 是按照条件状语从句去理解的而不是假设虚拟语气，这样主将从现，感觉语义上是说的过去的，虽然E选项没有发现什么问题，但这种情况下一般都比较保守选择原句，所以就选了A.
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