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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
20答疑

[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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1656浏览

[Undefined]

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Which of the following is an assumption underlying the last sentence of the passage?
麻烦慧雯老师解答一下，老师您好，我这篇完全崩了，就对了一个，下面是我扫读的思路，因为我扫读比较慢（这种一般两分半到四分钟），麻烦老师看看有没有问题A meteor stream is composed of dust particles，These particles follow the same orbit as the parent comet, but they slowly gain on or fall behind.(观点)Astronomers have hypothesized that a meteor stream should broaden with time as （后面看不懂了，跳了）. A recent computer-modeling experiment tested this hypothesis. The researcher found, as expected, 验证了. Conventional theories, however, predicted that the distribution of particles would be increasingly dense toward the center of a meteor stream. （中心密集）Surprisingly, the computer model meteor stream gradually came to resemble a thick walled, hollow pipe. 两个观点，Astronomers 认为变大，Conventional theories,传统观点认为集中 后面两段就崩了，不知道和前面什么关系，第二段是 the Earth passes through a meteor stream的事，第三段完全不知道又在讲什么了，我以为是个具体例子什么的，一位内有好多名字~麻烦老师带着捋一下文章思路，另外能讲一下这篇的几道题定位么，因为我后面几个都没找到定位位置，哭死，谢谢老师啦
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1005浏览

[OG19]

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Normally, the pineal gland governs a person's sleep-wake cycle by secreting melatonin in response to the daily cycle of light and darkness as detected by the eye. Nonetheless, many people who are totally blind due to lesions in the visual cortex of the brain easily maintain a 24-hour sleep-wake cycle. So, the neural pathway by which the pineal gland receives information from the eye probably does not pass through the visual cortex.

For purposes of evaluating the argument it would be most useful to establish which of the following?

根据最后一句得知:neural的路径可能不会路过视觉的cortex. 如果只看最后一句与下面的选项就完全搭不上边，所以读了题干所有的句子，然后就有点乱在说啥，选项判断不出来哪个有关。
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[Undefined]

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In Wareland last year, 16 percent of licensed drivers under 21 and 11 percent of drivers ages 21–24 were in serious accidents. By contrast, only 3 percent of licensed drivers 65 and older were involved in serious accidents. These figures clearly show that the greater experience and developed habits of caution possessed by drivers in the 65-and-older group make them far safer behind the wheel than the younger drivers are.

Which of the following is an assumption on which the argument depends?
根据文章最后一句判断说:65岁及以上的人因为充足的经验和好的习惯使得他们比年轻人开车更安全。对比选项排除了abde，选了c。但是正确答案是a，a说老人比年轻人开的更少，和最后一句无关呢？
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2063浏览

[Undefined]

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Despite the increasing number of women graduating from law school and passing bar examinations, the proportion of judges and partners at major law firms who are women have not risen to a comparable extent.
这道题c选项中的who are women跟在at major law firms后面没有问题吗？不应该紧跟着所修饰的词judges and patners后面吗？
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[Undefined]

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The new image of Stone Age people as systematic hunters of large animals, rather than merely scavenging for meat, have emerged from the examination of tools found in Germany, including three wooden spears that archaeologists believe to be about 400,000 years old.
不太理解c中的that includes为什么就只能指最近的名词Germany?（但是知道which在GMAT中只能指最近的名词）请问that可以指一整句吗（我记得以前做题that是可以指前面一整句的）主要是that的使用方法不是很理解，还请老师讲解一下。
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4080浏览

[Undefined]

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The company announced that its profits declined much less in the second quarter than analysts had expected it to and its business will improve in the second half of the year.
一开始在b，d中间纠结，后来选择了d，不太明白d选项and后面没有that为什么不可以，that（its profits declined。。。and its business would improve）这样不可以吗?为什么并列就一定＋that?谢谢老师。
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5738浏览

[OG20]

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Excavation of the house of a third-century Camarnian official revealed that he had served four magistrates—public officials who administer the law—over his thirty-year public career, in four provincial capital cities. However, given the Camarnian administrative system of that era, it is unclear whether he served them simultaneously, as a traveling administrator living for part of the year in each provincial capital, or else did so sequentially, leaving one magistrate after several years to join another.

Which of the following would, if found in the excavation, most likely help reveal the pattern of the official's administrative service?

看了文章最后一句:这个人要么是同时服务这些领导，要么是一个一个按顺序的。看了选项排除ade无关，b和c看不出来，c讲一套茶具是服务第一个人那儿弄的，b讲的啥不懂，错选了c。这道题该怎么思考？
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5514浏览

[Undefined]

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A pair of architects in Britain, who say that giant arches, bridges, and walls made of artificial bone could be easier to design and build than conventional structures, and already designed a number of structures, including a bridge, for showing how their idea would work.
请问老师 including a bridge是现在分词所引导的状语从句吗?如果是的话不应该考虑是谁发出的动作吗?如果指向主句的主语或者谓语，那就是a pair of architects have designed，但是原文本意应该是想指向structures吧，c选项说不通啊。
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699浏览

[Undefined]

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Which of the following best describes the organization of the passage?
麻烦慧雯老师答一下，老师好，这篇阅读第一遍读就没读动，第一段提取到的观点是政府立法改革是不成熟的，公司自己能解决，第二段刚开始以为是目前的现状（存在的问题）最后几句是解决方案，因此没能选出A，当时选了B，觉得转折说不好有个反对关系在，现在看了又觉得C也没错，麻烦您带着跳读一下文章，讲一下如何排除CB，并且不要一下排掉A，另外C后半句我好像不太理解，达到解决方案的方法被揭示了，是不是就是提供解决方案的意思，谢谢老师啦
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1946浏览

[Undefined]

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The authors' suggestion that "as much as 90 percent of the mass of the universe is not radiating at any wavelength with enough intensity to be detected on the Earth" (highlight text) would be most weakened if which of the following were discovered to be true?
请张老师说一下这道题的解题思路。阅读里的逻辑题都很弱，请问可以怎么突破？
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