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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
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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272浏览

[Undefined]

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Which of the following best describes the organization of the first paragraph of the passage?
Which of the following best describes the organization of the first paragraph of the passage? Options: A viewpoint is introduced, counterevidence is presented, and a new perspective is suggested. Opposing viewpoints are discussed, and evidence is provided that refutes both of those viewpoints. A hypothesis is described, supported with specific evidence, and then reaffirmed. An alternative viewpoint is presented, criticized, and dismissed in light of new evidence. Opposing viewpoints are presented, discussed, and then found to be more similar than previously supposed. A和D之间错选，我是觉得A之所以对是因为他说了“new perspective is suggested.” 对应了文中的“ accumulated evidence to date indicates ” 我的理解对吗？除此之外，AD之间还有什么本质区别吗
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Which of the following statements is most compatible with Kosminsky's approach to history, as it is presented in the passage?
我没有找到 Kosminsky's approach，虽然“ Evgeny Kosminsky and other Marxist historians claimed the epidemic was merely an ancillary factor contributing to a general agrarian crisis stemming primarily from the inevitable decay of European feudalism” 但是这句话有K但是这只是K和M的观点，所以答案不再这里。后面出来一个“ In arguing that this decline of feudalism was economically determined, the Marxist asserted that the Black Death was a relatively insignificant factor. ” 这句话是M的观点，所以我没能力联想到K身上。。。。。求助思维方式。
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1964浏览

[GWD]

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According to the passage, the proposal mentioned in the highlighted text is aimed at preserving rain forests by encouraging farmers in rain-forest regions to do each of the following EXCEPT
想请慧雯老师纠正下我判断的是否对： 1、表黄部分是我读的内容，跳读的正确吗 2、括号中是我对句间关系的判断，都对吗 3、标绿的两个but功能判断的正确吗 4、树状图画的对吗 5、我判断句间关系的时间和判断某句话到到哪里可以不读的时间太久了，通过练习是可以大大减少这些时间的吗 6、感谢慧雯老师的阅读基础课，都是干货
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[Undefined]

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Yellow jackets number among the 900 or so species of the world's social wasps, wasps living in a highly cooperative and organized society where they consist almost entirely of females—the queen and her sterile female workers.
这道题应该是理解了，但是有个细节想请教老师：A选项wasps living ...这个结构是不是独立主格的形式呢，还是说A和B都是同位语的形式。如果不是独立主格，那独立主格的表现形式有哪些呢，我个人归纳的是 n+形容词/with.../each...，不知道归纳的对不对有没有遗漏。想请教王文静老师或者金栩竹老师，谢谢。
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[Undefined]

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At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
 
我选了B 请金老师讲解下
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[Undefined]

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Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each.
 
请金老师帮我区分下这几个动作，怎么区分出来谁是谁发出的，谢谢。
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[GWD]

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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?
这道题的逻辑链是 增加8%的税收之后，香烟的销量下降了10%. 在增加税收之前的一年,香烟销量只下降了1%. 所以香烟销量的下降，是因为税收增加. 问结论的前提是什么？ 我觉得前提应该是. 不存在税收下降了，香烟的销量反而上升的情况 不理解D的意思. 然后我选的是B也不太懂. 能讲一下这两个选项分别在说什么吗？是怎么样作为前提的
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[GWD]

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Over the course of the eighteenth century, the average output of ironwork tripled as a result of several improvements in blowing machinery and because coal replaced charcoal as the fuel used in the smelting of iron ore.
请tina老师解答 A.as a result of和because不是很平行，但是语法和语义上也没有问题 B.我感觉这个是对的，in addition to后面the several improvement和 due to后面的the replacement平行，请问这个哪里有问题呢？另外a tripling was due to也是对的吧？ C.with being done这个句型感觉啰嗦, 不对 D.这句话前面加一个With是不是就对了？ E.少谓语动词
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[GWD]

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Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
请tina老师解答 A.我觉得这个语义不对,原文的语义是说99%的消失了，而a选项里面把99%的消失作为修饰语放在后面，所以不对 B.这个选项在语法上和语义上面都没有找到问题 C.用了一个倒装，但是语法和语义好像也没有什么问题，就是显得有点复杂,是不是可以理解为倒装就是用来强调它的消失? D.这个里面用了两个of，好像有点复杂，有点多余 E.把of的内容放在了前面，避免了头重脚轻 ,但是我不确定把它放在前面语法上是不是对的？
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[Undefined]

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After decreasing steadily in the mid-1990's, the percentage of students in the United States finishing high school or having earned equivalency diplomas increased in the last three years of the decade, up to 86.5 percent in 2000 from 85.9 percent in 1999 and 84.8 percent in 1998.
我这道题选的是C,C不可以认为是or并列了earning和having finished吗?两个都是ing形式啊，而且C选项后面的rose to 86.5 percent.....也感觉比E选项对称，E选项的 to 86.5 percent.....前面什么东西都没有显得太突兀了，那个是做什么成分呢？
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