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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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[GWD]

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At an orientation meeting, the travelers were told that a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them.
请教老师，D的each是一个什么样的形式或结构呢？它一般不是作主语吗，为什么可以放在would后面呢？以及E的for each of them除了啰嗦一点外，有什么错误吗？谢谢老师！
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1077浏览

[OG18]

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The passage suggests that which of the following would be true of studies of tooth micro-wear patterns conducted on modern baboons?

请教郭培月老师：郭老师您好，我觉得这个题和您今天上午帮助我解答的题的问法其实是一样的，但是它的答案是D，和那个题正好反过来了，而且这个D选项传达出了之前那道题我选的错误选项的意思。。所以其实这个题我还是没有太明白，都是定位在一个地方，为啥选出来的结果差距那么大？而且我真觉得那个accurate有点太过了，我觉得只能是粗糙地显现，而不能是精准的，麻烦老师再解答一下，谢谢！
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3682浏览

[Undefined]

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LAST 提问请拍照上传题目
老师你好，选了A 但还是有些混乱为什么D没有A好，如果没有A选项，这题可不可以选D？
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30028浏览

[GWD]

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In general, jobs are harder to get in times of economic recession because many businesses cut back operations.  However, any future recessions in Vargonia will probably not reduce the availability of teaching jobs at government-funded schools.  This is because Vargonia has just introduced a legal requirement that education in government-funded schools be available, free of charge, to all Vargonian children regardless of the state of the economy, and that current student-teacher ratios not be exceeded.
 
Which of the following, if true, most strengthens the argument?
老师您好，我想问一下这个题的c选项究竟是怎么排除掉的？我选c的原因是因为c说现在的公立学校老师雇佣量比上一次经济危机之前的雇佣量多了，这让我觉得经过经济危机老师雇佣的数量增加了，支持了原文说的经济危机不会影响老师雇佣量的说法。我这样想是脑补太多了吗？后来又想了想，排除c的角度可不可以是，原文说的是any future recessions in Vargonia will probably not reduce the availability of teaching jobs at government-funded schools，说的是future，但c说的是过去的一次经济危机的事儿，可以这样排除吗？麻烦老师解答下c排除的思路，谢谢老师！
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1986浏览

[OG18]

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It can be inferred from the passage that if studies of tooth micro-wear patterns were conducted on modern baboons, which of the following would most likely be true of the results obtained?

请教老师，我觉得这个题跟： The passage suggests that which of the following would be true of studies of tooth micro-wear patterns conducted on modern baboons? A They would inaccurately suggest that some baboons eat more soft-bodied than hard-bodied insects. B They would suggest that insects constitute the largest part of some baboons’ diets. C They would reveal that there are no significant differences in tooth micro-wear patterns among baboon populations. D They would inadequately reflect the extent to which some baboons consume certain types of insects. E They would indicate that baboons in certain regions eat only soft-bodied insects, whereas baboons in other regions eat hard-bodied insects. 是一样的，就是定位于文末，因为环境的不同，所以单纯看这个东西并不能真实反映diet,所以我选的C，就是说它的反面：单纯研究m的研究结果没有表明不同环境下会存在差异。但是答案是D，就让我特别困惑，而且感觉这个accurate太牵强了，如果把accurate去掉勉强可以理解，任何实验也不敢说我做的结果特别可靠啊。。请老师解答，谢谢！
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[GWD]

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A total of $60,000 was invested for one year. Part of this amount earned simple annual interest at the rate of x percent per year, and the rest earned simple annual interest at the rate of y percent per year.  If the total interest earned by the $60,000 for that year was $4,080, what is the value of x?

Simple interest rate and compound interest rate 的公式是什麼
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373229浏览

[Undefined]

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Analytical!
我选D，正确E 读完5个选项，按逻辑members会比物种更好，剩下DE，觉得差别不大，但D更加直接精炼（感觉正确是E的话和追求效率完全违背了哇，哭）
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374681浏览

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Analytical!
？？我选C，正确选A AB一组，CDE一组 做错思路：首先看AB开头就有代词their觉得没法指代，内心已经差不多把他俩都排除了，往下看一点，看的比较急，没有彻底清楚句意和结构，就觉得两个逗号了还没有出现主语很奇怪，直接AB全部排除（读是读句意啊啊啊啊，就抓着结构不放是什么鬼，两个逗号是形容词并列修饰。。。）；CDE，对比发现最后都有代词，都会以指代不清，但只有C代词和指代对象相隔最近相对清楚，就选了。（其实看到这里既然都有指代不清为啥不重新看一下AB？？）（问题：代词指代放前面一定就指接下来紧接的名词吗？那么相对代词放在后面还要回头找对应指代，在所有选项都存在代词指代时，放前面是不是总是更好？）（from when…有这种用法吗？）
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[Undefined]

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Analytical!
我选D，正确E AB一组，CDE一组 做错思路：速度的话用介词at 比with 好，CDE中选，对比than前后应该一致，前面既然是速度，后面我认为也应该是名词结构才能并列，所以不应该有is/are（难道说正确选项E是than后省略speeds＋定语连接词which？）
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Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.
A和C中纠结 我选了C 认为 A of B 这样的形式比较没有歧义 像选项A中会不会存在 respiratory 修饰 ability这样的歧义？ 这样讲来 A为什么比C好呢？
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