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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
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[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
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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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[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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[Undefined]

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Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he uickly built his own device from an organ pipe and spectacle lenses.
我有两个问题： 1. 在基础课上，老师说 A 选项 “but” 前 是一句话，“but” 后 又是一句话，所以两个主语分别对应 两个句子，所以不是双主句。但是整句中间并没有句号，都是逗号。请问我们如何在满是逗号的句子中，判断 此句 共有几句话 从而判断双主语是否存在呢？又如何判断 每句话 什么时候结束呢？ 2. 能不能麻烦您解释一下 A 选项的句式结构 和句意呢？我没太理解这句话的意思，因为逗号太多了。谢谢！
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[GWD]

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Only seven people this century have been killed by the great white shark,  the man-eater of the movies—less than those killed by bee stings.
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[Undefined]

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Last year a global disturbance of weather patterns disrupted harvests in many of the world’s important agricultural areas. Worldwide production of soybeans, an important source of protein for people and livestock alike, was not adversely affected, however. Indeed, last year’s soybean crop was actually slightly larger than average. Nevertheless, the weather phenomenon is probably responsible for a recent increase in the world price of soybeans.

Which of the following, if true, provides the strongest justification for the attribution of the increase in soybean prices to the weather phenomenon?
请问英吉老师 请问为什么C选项不是类比呢 这里说过去不能推理未来 那其他的类比为什么就可以推理呢（类似：“原文：A城市想要建地铁改善交通。选项：一个类似A城市的B城市建地铁改善了交通。”为什么这个就是类比，可能B城市改善交通的真正原因还有其他呀）谢谢老师～
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311791浏览

[Undefined]

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Analytical!
英吉老师 这个选啥 好像没看到视频里讲 麻烦解释一下哈 谢谢老师
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It can be inferred from the passage that one reason an advertiser might prefer a hard-sell approach to a soft-sell approach is that

请问唐瑭老师，这题我看题目觉得不好定位就没有看文章，直接开始对比选项。题目问的是一个advertiser比起soft-sell更喜欢hard-sell的原因，就是说advertiser和两种方法，我排除了ABC。剩下DE，我错选了D，因为题目说的是advertiser更喜欢hard-sell的原因。我看完答案后再琢磨，是不是因为题目要选的是原因，但D选项有suggest，其实说的是建议。所以E比D更像个原因？
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[GWD]

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The passage suggests that evidence for price promotions' "effect on the bottom line" (in the highlighted text) is provided by
请问唐瑭老师，这道题我读了highlight部分的那句话，最后那句说因此不情愿放弃这个strategy尽管its effect on the bottom line。读出来这个highlight部分应该是一个不好的方面，所以我直接锁定了AC这两个选项。不知道为什么是B？
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[Undefined]

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Which of the following, if true, would best support the conclusion that some ingredient of the sweetener was responsible for the experimental results?
请问唐瑭老师，这道题错选了E。我从题目中得知要找和experimental result有关的，然后读了文段的最后一句。看选项D和E都跟experiment有关，看到E有提到段落最后一句提到的sweetener，就选了E。要怎么样选出D？
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[Undefined]

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When demand for a factory's products is high, more money is spent at the factory for safety precautions and machinery maintenance than when demand is low.  Thus the average number of on-the-job accidents per employee each month should be lower during periods when demand is high than when demand is low and less money is available for safety precautions and machinery maintenance.
Which of the following, if true about a factory when demand for its products is high, casts the most serious doubt on the conclusion drawn above?
请问唐瑭老师，我这题是读了最后一句，感觉说的是员工的安全和用于保证安全的钱。感觉五个选项都不好，但D好像沾点边，就选了D。不知道为什么选B。
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[GWD]

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Whales originated in the freshwater lakes and rivers of ancient Asia about sixty million years ago.  Not until about ten million years later did species of whales develop specialized kidneys enabling them to drink salt water.  Although fossil evidence shows that some early whale species that lacked such kidneys sometimes swam in the Earth's saltwater oceans, these species must have had to return frequently to freshwater rivers to drink.
 
Which of the following is most strongly supported by the information given?
请问唐瑭老师，这道题我看题目是要我们读全部内容，然后根据它里面的时间选出A和E，因为这两个选项里的时间是between 60 million years and 50million years，在文章里说的时间的范围内。接着我看E选项说的whale、salt water和lakes and rivers，感觉E选项更近，就选了E。
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[OG20]

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For each of the following statements, select T if the statement is true based on the information provided; otherwise, select F.
请问这里第一第二题错误的原因都是原文说的是比例，并不能判断实际人数的大小吗，所以在ir里面，不能判断就选false吗，谢谢老师
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