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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：

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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[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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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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359520浏览

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Analytical!
Those with a cynical turn of mind might ( speculate if the new corporation, eager for profit, might not have started ) the rumor that caused its competitor to declare bankruptcy. (A) speculate if the new corporation, eager for profit, might not have started (B) speculate if the new corporation, eager for profit, had not started (C) speculate if, in its eagerness for profit, the new corporation started (D) wonder as to whether, in its eagerness for profit, the new corporation did not start (E) wonder whether the new corporation, eager for profit, had started 答案是E，错选了B。做题时完全没有读明白句子意思，把speculate当成了spectacular，而且把if翻成了如果，怎么看怎么不顺，麻烦老师讲解。
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357377浏览

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Analytical!
( Monitoring heart patients' exercise as well as athletes excersing, is now done by small transmitters broadcasting physiological measurements to nearby recording machines. ) A. Monitoring heart patients' exercise as well as athletes excersing, is now done by small transmitters broadcasting physiological measurements to nearby recording machines. B. Monitoring the exercise of heart patients, as well as athletes excersing, is now done by small transmitters broadcasting physiological measurements to nearby recording machines. C. Small transmitters broadcasting physiological measurement to nearby recording machines are now used to monitor the exercise of both heart patients and athletes. D. Broadcasting physiological measurements to nearby recording machines, small transmitters are now used to monitor heart patients' exercise, as well as athletes exercising. E. Both athletes exercising and heart patients' exercise are now monitored by small transmitters broadcasting physiological measurements to nearby recording machines. 答案是C，错选了E。排除C的原因是感觉主语很长，头重脚轻。第一遍看原文的时候感觉exercise和exercising不平行，但是每个选项读下来发现都是这个形式，（当时没有注意到C的形式）于是就认为这个可能不是考点。E的错误是exercise和exercising吗？麻烦老师讲解。
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3830浏览

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The primary purpose of the passage is to
通篇扫了一下，感觉好多都是细节，不知道该如何获取文章脉络，麻烦老师带着跳读一下。
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357568浏览

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Analytical!
( Even though its per capita food supply hardly increased during ) two decades, stringent rationing and planned distribution have allowed the People’s Republic of China to ensure nutritional levels of 2,000 calories per person per day for its population. (A) Even though its per capita food supply hardly increased during (B) Even though its per capita food supply has hardly increased in (C) Despite its per capita food supply hardly increasing over (D) Despite there being hardly any increase in its per capita food supply during (E) Although there is hardly any increase in per capita food supply for 错选了E，答案是B。排除ABCD是因为代词its，前半句说了its，后半句没有第一时间解释its是指谁。尽管觉得E也有不妥之处，E的any increase应该是名词吧？副词hardly修饰名词也不对吧？麻烦老师讲解。
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Analytical!
During the recession of 1973, home mortgage foreclosures resulted in tens of thousands of Americans being evicted from homes ( that they can ) no longer afford monthly payment. A. that they can B. that they could C. on which they can D. because they can E. for which they could 错选了B，答案是E。不明白that和for which的区别，麻烦老师讲解。
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Analytical!
In three centuries -from 1050 to 1350-several million tons of stone were quarried in France ( for the building of eighty cathedrals, five hundred large churches, and some ) tens of thourands of parish churches. A. for the building of eighty cathedrals, five hundred large churches, and some B. in order that they might build eighty cathedrals, five hundred large churches, and some C. so as they might build eighty cathedrals, five hundred large churches, and some D. so that there could be built eighty cathedrals, five hundred large churches, and E. such that they could build eighty cathedrals, five hundred large churches, and 把句意理解错了，选了D，答案是A。当时想的是一些石头被挖掘了在法国，后面应该是：导致在法国建立了多少教堂。排除BCE是感觉they指代有问题。没选A是不知道原文说的是这些石头用来建立教堂，而且后面有个some，不能理解some tens of throusands of。麻烦老师讲解。
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Analytical!
While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the ( cost associated with ) upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive. A. cost associated with B. costs associated with C. costs arising from D. cost of E. costs of 这道题选了A，答案是B。上次答疑英老师说cost是不可数名词，不明白为什么选B。做题时感觉应该不是根据后面的谓语are来判断，因为谓语动词前面and连接了几个并列成分。现在review时不确定这些并列成分全都是修饰cost的，还是cost的并列。麻烦老师讲解。
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Analytical!
Pensions are now viewed as a deferred payment of salary, money ( a worker is compelled to put away to take care of one's ) later years. A. a worker is compelled to put away to take care of one's B. that a worker is compelled to put away to take care of oneself in C. a worker is compelled to put away to take care of oneself in D. workers are compelled to put away to take care of them in E. workers are compelled to put away to take care of themselves in 这道题做对了，选E。但是做题过程不对，take care of后面应该是反身代词，所以A D排除，B C E的区别是单复数，不知道突破口在哪，只是感觉如果B对，C肯定也对，that应该可有可无，不足以影响对错，所以选了E。其实这道题不太明白，麻烦老师讲解。
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Manufacturers sometimes discount the price of a product to retailers for a promotion period when the product is advertised to consumers.  Such promotions often result in a dramatic increase in amount of product sold by the manufacturers to retailers.  Nevertheless, the manufacturers could often make more profit by not holding the promotions.
 
Which of the following, if true, most strongly supports the claim above about the manufacturers' profit?
答案选的是A，但是不太读得出来A是怎么与原文的逻辑链连起来。请老师讲解。
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3299浏览

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After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit.
E选项不明白，它可以有这个capability去propel…或者help…，propel和help并列，句意上也是可以理解。
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