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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
23答疑

[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
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
18答疑

[Sentence Correction]

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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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4633浏览

[Undefined]

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Companies are relying more and more on networked computers for such critical tasks as inventory management, electronic funds transfer, and electronic data interchange, in which standard business transactions are handled via computer rather than on paper.
Where 和in which意思一样吗，用法上有什么区别，我的思路是根据原文要表达的意思是用电脑处理交易比用纸好，有一个比较的意思在里面，所以排除c，d，e，在b中computer是主语，与paper比较起来比a中把computer放在宾语的位置更直接，所以选了b，这个思路问题在哪里
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4421浏览

[Undefined]

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According to one expert, the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members.
这道题不太知道它的考点是什么？是考的与as that的平行结构吗？能否老师帮忙分析一下这道题的所有选项？
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2812浏览

[Undefined]

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Gone are the sharp edges and jutting planes of styles from former eras; instead, designers of everything from cars to computer monitors have adopted a cornerless style of smooth surfaces and curves that is more ergonomic, conforming to the shape of the body rather than flaunting shape for its own sake.
这道题我选的D。个人认为这个题中的more是考点，应该放在逗号后面，因为逗号后面有二者比较，逗号前面无比较，shape flaunted勉强也可说的过去，望老师解答，谢谢！
1评分
24157浏览

[Undefined]

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The first trenches that were cut into a 500-acre site at Tell Hamoukar, Syria, have yielded strong evidence for centrally administered complex societies in northern regions of the Middle East that were arising simultaneously with but independently of the more celebrated city-states of southern Mesopotamia, in what is now southern Iraq.
选项c的simultaneously but 用法对不对，需要需要前面加with，c中的were arising和e中的用的arose算不算一个区分错误与否的切入点
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3541浏览

[GWD]

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If M is a positive integer, then M^3 has how many digits?
(1) M has 3 digits.
(2) M^2 has 5 digits
请问这题除了特殊值法 还可以采取什么简便思路？（做题时特殊值没想出来）
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1650浏览

[GWD]

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If x + y  is an integer, is y  an integer?
(1)     x – y  is an integer.
(2)     x + 2y  is an integer.
提问： 请教May老师，求是否integer的关键思路是什么呢？我这道题的第二个条件，试了很久，是带入特值计算的，感觉心里很没底。应该怎么做比较好？另外，想借此平台问一下，考试的时候做数学的pace大概是怎么样的呢？大概到第几分钟要做到第几题这样子？（我现在做套题对速度很没有把握，有时候迟了十分钟，有时候又怕来不及，做得很快，提早十分钟交卷）
4评分
5291浏览

[Undefined]

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There are hopeful signs that we are shifting away from our heavy reliance on fossil fuels:  more than ten times as much energy is generated through wind power now than it was in 1990.
请教Tina老师，BCD选项，it既然指代一模一样的名词，为何不可指代前面的energy（energy无限定词），now应当放前面好还是放后面好？（个人感觉放前面更能产生强烈的今昔对比）
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5890浏览

[Undefined]

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Because she knew many of the leaders of colonial America and the American Revolution personally, Mercy Otis Warren was continually at or near the center of political events from 1765 to 1789, a vantage point combining with her talent for writing to make her one of the most valuable historians of the era.
请教Tina老师，这道题我选的E，但我看了解析后感觉很疑惑。我做题的时候认为这道题ABC中的a vantage point的用法是不正确的，因为前面没有词可以使得a vantage point作为其同位语，因此我直接在DE中选的。ABC中的a vantage point的用法是正确的吗？如果正确的话，combining是无逗号的doing形式，您之前讲过doing可相当于that来做修饰，那么这里的combining为什么一定要说是point主动发出这个动作，单纯地做一个修饰语不可以吗？谢谢老师！
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5595浏览

[Undefined]

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The 151 member governments of the World Bank are expected to increase the bank's funding by $75 billion, though some United States legislators cite an obstacle to congressional passage being the concern that the bank's loans will help foreign producers compete with American businesses.
请教Tina老师。这题我选的A 这个题我的思路是that应该修饰的是concern因此concern应当放划线尾部最好，排B 句意不通排E 但是这里的ACD我感觉问题都不大，Dthat离concern比较远，或许可以作为它排除的理由？可是AC之间我感觉A的意思：国会通过法案的障碍是对于竞争的担忧比C传递这个意思更清晰，为什么A就不对呢？谢谢老师
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2827浏览

[OG18]

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The author of the passage mentions “escape velocity” (see line 22) in order to help explain which of the following?
唐老师在OG18精讲说答案是B，我也选了B不理解为什么是E
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