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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：

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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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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[Undefined]

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Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving as a kind of snorkel.
第一 为什么要用to suggest 这里不是定语从句么 时态部分用的是一般现在时 E的its trunk的its 指代的是？
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[GWD]

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At the turn of the twentieth century, forest covering as much as 90 percent of Thailand and accommodating as many as 300,000 elephants, a third of them domesticated and performing various essential tasks.
请王文静老师解答：您说了做一题顶十题，能麻烦你把这一题设计的知识点完整的讲一下吗？特别是with a third/a third of them/with a third of them 在语法和语意上对句子产生了什么影响？
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[GWD]

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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.
上课老师已经说过这是主被动引起的修饰关系的差异，请王文静老师解答一下：CE之间具体是怎么做出选择的，这个修饰关系怎么看？on earth的位置会对句子语意造成差异吗？
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[GWD]

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The market for recycled commodities like aluminum and other metals remain strong despite economic changes in the recycling industry.
请Tina老师回答：这道题我选的是E，首先由主谓一致排除ABD，后来看了CE选项间的区别后，觉得应该是有由铝或者其他金属做的商品，所以选了E，听了其他老师的解答后更加迷茫，请问老师CE哪个才是正确答案？如何得出？铝和其他金属在这里到底是哪个的举例？like和such as在用法上有区别吗？like和such as只能修饰前面的核心名词（这里是market）这种说法对吗？
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[Undefined]

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Analytical!
这题考点是so as to吗，为何这题E选项不能理解为to convert和for establishing平行呢
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Traffic safety officials predict that drivers will be equally likely to exceed the proposed speed limit as the current one.
这道题有个疑惑想求教，在E这种选项里面，as they are current one.我理解成了他们是current one.这明显意思不对。读的时候我觉得要是as they are （介词）current one才对。所以想请教下老师这边为什么没错？也可以排除掉我的神龙。我知道选E的，也做出来了。只是对这个疑问看的很不舒服。谢谢老师
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6677浏览

[Undefined]

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Bengal-born writer, philosopher, and educator Rabindranath Tagore had the greatest admiration for Mohandas K. Gandhi the person and also as a politician, but Tagore had been skeptical of Gandhi's form of nationalism and his conservative opinions about India's cultural traditions.
这题只想请教金栩竹老师一个问题，就是金老师您在OG讲解中用not only。。but排除的话。如果E的后半句变成but as a xxx（一个名词）的形式是不是可以？就是not only as a person and as a ploitician，but as a teacher这种。是不是就不违反not only。。but also了？ 是可以的么？
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[OG18]

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Between 14,000 and 8,000 b.c. the ice cap that covered northern Asia, Europe, and America began to melt, uncovering vast new areas that were to be occupied by migrating peoples moving northward.
这题我想请教郭培月老师两个问题。第一个是对于A而言，我没有看出后半句that were to be occupied是将来时态，所以我将它认为和前面是同一时态，因为只有冰盖退去人才会来，结果错误地将A排除了，想请教下老师这里A的后半句如何读？如何看出将来时态的意思？我想这里我是有个盲点。然后对于B选项，我没有看出是冰盖began to uncover的意思，而是看成了冰盖began melting，（to uncover）的意思。因此从意思上并没有看出不对，错误地认为冰盖began melting，然后to uncover是下面一个层级。想同样请老师帮忙解释一下这句话应该怎么读。谢谢郭老师。
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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.
错选了C。 我首先排除B，B整体都很奇怪，in additional to不等于and，而表示除了XX之外另一个完全不相关的事，改变句意。 D是句子不完整，fragment，缺个连词 E同上，句子没写完 A和C之间PK。我杀掉A是因为觉得A里as a result of XXXXX and because XXXXX，as a result 和because不是重复了吗？ C我把with当作“以”来理解，觉得说得通，不太明白错在哪儿了。
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[GWD]

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The author of the passage implies that which of the following is a possible partial explanation for acquisition behavior during the 1970's and 1980's?
题干问作者暗示那个可以解释acquisition 那应该在文中的后半段 在 It seems that factors having little to do with corporate economic interests explain acquisitions. 这句话不是说factors 与经济因素无关 然后 These factors may include 这里 这个these 不应该是上句中提到的 factors。 所以include 往后哪里的也不是原因。 我认为原因是从 Alternatively，这里开始 所以我选的A 经理模仿其他的经理。
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