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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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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
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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
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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[GWD]

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The author of the passage mentions the status of age as a principle of social organization in precolonial central Kenya in the highlighted text most likely in order to
请教Tina老师，这道题我选的A，选择的原因是我认为这句话强调了年龄和性别是影响的两个原因，在说性别也是原因的同时强调了年龄仍旧很重要。接下来文章才开始探讨性别问题。所以A选项说的是女人不完全依靠于男人，这说明了性别不是唯一的原因，年龄也是其中的因素。E选项说年龄是一个让R修正她假说的因素，我觉得不是年龄是让她修正她假说，而是她在研究时发现了性别问题才是导致她修正假说的因素。请老师解答我的困惑，谢谢！
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[GWD]

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According to the passage, compared with women in eighteenth-century Connecticut, men were
请教Tina老师，这道题我选的A，选择的原因是credit networks became increasingly far-flung 以及前面的观点句中说的男性参加关于债的civil right的比例更高。排C的原因是我觉得C对应的是男女比较中的女性remain local and personal，因此推男性与其不一样，但我不认为可以推出来C的outside their own community，只能推出他们的范围扩大了（但是可能会局限于community内），因此产生困惑，请老师解答，谢谢！
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[GWD]

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Proposal:  Carbon dioxide and methane in the atmosphere block the escape of heat into space.  So emission of these "greenhouse" gases contributes to global warming.  In order to reduce global warming, emission of greenhouse gases needs to be reduced.  Therefore, the methane now emitted from open landfills should instead be burned to produce electricity.
 
Objection:  The burning of methane generates carbon dioxide that is released into the atmosphere.
 
Which of the following, if true, most adequately counters the objection made to the proposal?
我读出的D选项意思是在大气中的M会比二氧化碳更有效的阻止从地球中逃出的热，那是不是说M会加比二氧化碳加重温室效应，这怎么削弱文中的objection，因此我读不出D选项是正确的，请老师帮我看一下我的思路哪里出错了
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[GWD]

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Fearing competition from stores that rent video games for home use, owners of stores that sell video games lobbied for protective legislation.  Citing as a precedent legislation that postpones home film rentals until one year after general release to theaters, the video sellers proposed as an equitable solution a plan that would postpone rental of any video game until it had been available for sale for one year.
 
Which of the following, if true, would support an objection by owners of video rental stores that the fairness of the proposed legislation is not supported by the precedent cited?
我对问题的理解是下列哪个选项可以支持租游戏者的反对意见有关这个立法的公平性不能被之前的引述支持，但是看完问题就已经被绕晕了,怎么判断这个问题主要想问什么，谢谢老师
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[OG18]

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In Mernia commercial fossil hunters often sell important fossils they have found, not to universities or museums, but to individual collectors, who pay much better but generally do not allow researchers access to their collections. To increase the number of fossils available for research, some legislators propose requiring all fossils that are found in Mernia to be sold only to universities or museums.

Which of the following, if true, most strongly indicates that the legislators' proposal will fail to achieve its goal?
我觉得A说的是他们是业余的，并且会自己保存这些化石，那这样的话也就不会卖给大学了，和E的逻辑基本相似，为什么错
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[Undefined]

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Roland:  The alarming fact is that 90 percent of the people in this country now report that they know someone who is unemployed.
 
Sharon:  But a normal, moderate level of unemployment is 5 percent, with 1 out of 20 workers unemployed.  So at any given time if a person knows approximately 50 workers, 1 or more will very likely be unemployed.
 
Sharon's argument relies on the assumption that
想请教老师，我这道题知道B肯定更好，是一个样本代表性问题。D错在哪里了呢？是吧premise给否了吗？虽说我感觉D选项这句话跟废话似的，但我记得英老师说过很多假设题的正确选项在对方眼里就是废话，望老师解答，谢谢！
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[Undefined]

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The primary purpose of the passage is to
请教Tina老师，这道题我选的E。我个人认为第一段是在讲TQM的优点，第二段提了一下TQM不兼容的缺点，但后面还是在说TQM的convergent的优点，因此我选的E。感觉文章没太说与其他系统之间的关系，主要说的是和其他系统比较的优劣，望老师解答，谢谢！
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[Undefined]

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Finding of a survey of Systems magazine subscribers:  Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five.
 
Finding of a survey of advertisers in Systems magazine:  Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five.
 
For both of the findings to be accurate, which of the following must be true?
請郭培月老師回答。這道題應該怎麼理解 怎麼做？
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[Undefined]

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Jennifer:  Video rental outlets in Centerville together handled 10,000 fewer video rentals in 1994 than in 1993.  The decline in rentals was probably due almost entirely to the February 1994 opening of Videorama, the first and only video rental outlet in the area that, in addition to renting videos, also sold them cheaply.
 
Brad:  There must be another explanation:  as you yourself said, the decline was on the order of 10,000 rentals.  Yet Videorama sold only 4,000 videos in 1994.
 
Which of the following, if true, would most seriously weaken the force of the objection that Brad presents to Jennifer's explanation?
请问英吉老师：在支持和驳斥的错误答案类型里都有一个脑补类因推果，对这个因推果的概念不太理解，这个原因是指根据题干中已经有的原因，自己推理的结果所以不对，还是根据选项提供的原因去推出的结果所以选错
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[OG]

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The passage suggests that many African American people responded to their experiences in the armed forces in which of the following ways?
请问老师，原文第一段的which created an ideal constituency for someone with Garvey’s message of unity这句话中的someone指谁，这句话没有读明白，第一段和第二段的逻辑关系也没有读出来，这句话是必读句吗？第三段中的some scholors have argued的argue是什么意思，我的理解是辩论，但在此句中这个意思不太合适，在gmat考试中，argue和argument的意思是辩论，还是认为？suggest在题干中出现是建议的意思吗？
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