问答

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[Critical Reasoning]

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题目：

In Wareland last year, 16 percent of licensed drivers under 21 and 11 percent of drivers ages 21–24 were in serious accidents. By contrast, only 3 percent of licensed drivers 65 and older were involved in serious accidents. These figures clearly show that the greater experience and developed habits of caution possessed by drivers in the 65-and-older group make them far safer behind the wheel than the younger drivers are.

Which of the following is an assumption on which the argument depends?

选项:

答案:

A
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[Sentence Correction]

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题目：

Even though her career was cut short when she was in her prime and the fifteen recordings she made were disappointing artistically as well as technically, Olive Fremstad (1871-1951) has never been entirely forgotten by opera aficionados.

选项:

A、though her career was cut short when she was in her prime and the fifteen recordings she made were
B、though her career was cut short while in her prime, with the fifteen recordings she made
C、as her career had been cut short when she was in her prime, with the fifteen recordings she had made
D、with her career having been cut short when she was in her prime, and the fifteen recordings she made were
E、with her career cut short while in her prime, and that the fifteen recordings she made were

答案:

A
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[Sentence Correction]

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题目：

Humans have been damaging the environment for centuries by overcutting trees and farming too intensively, and though some protective measures, like the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great increases in population and in the intensity of industrialization are causing a worldwide ecological crisis.

选项:

A、though some protective measures, like the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great increases in population
B、though some protective measures, such as the establishment of national forests and wildlife sanctuaries, were taken decades ago, great increases in population
C、though some protective measures, such as establishing national forests and wildlife sanctuaries having been taken decades ago, great population increases
D、with some protective measures, like establishing national forests and wildlife sanctuaries that were taken decades ago, great increases in population
E、with some protective measures, such as the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great population increases

答案:

B
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[Sentence Correction]

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题目：

The decline of the mountain yellow-legged frog in the high reaches of the Sierra Nevada has become severe enough for the United States Fish and Wildlife Service quite possibly to list it as an endangered species in the near future.
 

选项:

A、 severe enough for the United States Fish and Wildlife Service quite possibly to list it
B、 severe enough so that the United States Fish and Wildlife Service could well list them
C、 severe enough for it quite possibly to be listed by the United States Fish and Wildlife Service
D、 so severe that the United States Fish and Wildlife Service could well list it
E、 so severe that they could well be listed by the United States Fish and Wildlife Service

答案:

D
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[Sentence Correction]

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题目：

Although the rise in the Producer Price Index was greater than expected, most analysts agreed that the index was unlikely to continue going up and that inflation remained essentially under control.

选项:

A、that the index was unlikely to continue going up and that inflation remained
B、that it was unlikely for the index continuing to go up and for inflation to remain
C、that the index was unlikely to continue to go up, with inflation to remain
D、on the unlikelihood that the index would continue going up and that inflation remained
E、on the unlikelihood that the index would continue to go up and for inflation to remain

答案:

A
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[Data Sufficiency]

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题目：

$10,000 is deposited in a certain account that pays r percent annual interest compounded annually, the amount D(t), in dollars, that the deposit will grow to in t years is given by D(t) = 10,000 {1+(r/100)}t.  What amount will the deposit grow to in 3 years?
(1) D(1) = 11,000
(2) r =10

选项:

答案:

D
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[Problem Solving]

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题目：

Thabo owns exactly 140 books, and each book is either paperback fiction, paperback nonfiction, or hardcover nonfiction. If he owns 20 more paperback nonfiction books than hardcover nonfiction books, and twice as many paperback fiction books as paperback nonfiction books, how many hardcover nonfiction books does Thabo own?

选项:

A、10
B、20
C、30
D、40
E、50

答案:

B
3答疑

[Reading Comprehension]

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文章：

    A pressing need in the study of organizations is for more research into how an organization's values (anLine organization's guiding principles and beliefs as perceived by its members) affect managerial decision-making. Traditional theories have been based on a "rational model," which focuses on the decision-maker and either ignores the organizational value climate or conveniently assumes that the organization's values are consistent or clearly prioritized. In reality, however, decisions are shaped not only by a manager's own values, but also by those of the corporate culture and of organizational superiors. A recent study found that managers' most stressful decisions involved "valuecontention" (conflicts among any of these sets of values). Furthermore, different types of organizational value systems were associated with different frequencies of contending values as well as with different types of managerial response. Explicit corporate values, for example, produced a greater percentage of decisions that were stressful due to value contention. Hidden values (those that an organization practices but does not acknowledge or which a superior furtively pursues in opposition to the values of the organization) produced a lower level of value contention. Although explicit values created more value contention, they were nonetheless more likely to produce flexible, well-reasoned decisions. Conversely, managers perplexed by hidden values reported feeling unable to identify an appropriate range of options.

题目：

According to the passage, value contention has been shown to affect managers by

选项:

A、decreasing their ability to conform to the values of the organization
B、decreasing their ability to discern clearly the guiding principles and beliefs of the organization
C、narrowing their range of options in the decision-making process
D、increasing the frequency and intensity of conflicts with superiors and subordinates
E、increasing the level of mental or emotional strain that accompanies the decision-making process

答案:

E
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[Problem Solving]

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题目：

If -74 is written as an integer in base 10 notation, what is the sum of the digits in that integer?

选项:

A、424
B、433
C、440
D、449
E、467

答案:

C
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[Critical Reasoning]

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题目：

Ecologist:  The Scottish Highlands were once the site of extensive forests, but these forests have mostly disappeared and been replaced by peat bogs.  The common view is that the Highlands' deforestation was caused by human activity, especially agriculture. However, agriculture began in the Highlands less than 2,000 years ago.  Peat bogs, which consist of compressed decayed vegetable matter, build up by only about one foot per 1,000 years and, throughout the Highlands, remains of trees in peat bogs are almost all at depths great than four feet.  Since climate changes that occurred between 7,000 and 4,000 years ago favored the development of peat bogs rather than the survival of forests, the deforestation was more likely the result of natural processes than of human activity.
 
In the ecologist's argument the two portions in boldface play which of the following roles?

选项:

A、The first is evidence that has been used in support of a position that the ecologist rejects; the second is a finding that the ecologist uses to counter that evidence.
B、The first is evidence that, in light of the evidence provided in the second, serves as grounds for the ecologist's rejection of a certain position.
C、The first is a position that the ecologist rejects; the second is evidence that has been used in support of that position.
D、The first is a position that the ecologist rejects; the second provides evidence in support of that rejection.
E、The first is a position for which the ecologist argues; the second provides evidence to support that position.

答案:

B
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[Undefined]

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Art historian: Unlike many artistic traditions that sought to depict plants native to the local area in a seasonally appropriate way (for example, depicting scenes of spring with the plants in the appropriate stages of development for that season), seventeenth-century Dutch artists specializing in flower paintings almost exclusively chose to depict exotic species of flowers from outside the local area. Painting such species was worthwhile primarily because the art-buying public had developed a strong preference for images of the exotic. The great botanical centers of the time gave the artists direct access to such flowers, which the artists would freely combine in a single painting, regardless of whether the combined species occurred together in the wild, and depicted each in full bloom, regardless of whether those species bloomed at the same time in nature.

Statement: The art historian makes the point that the species of flowers these Dutch artists chose to paint were 1 largely because the species were 2 .

Select for 1 and for 2 the options that complete the statement so that it is most strongly supported by the information provided. Make only two selections, one in each column.
我选的CE，和EC有什么区别？怎么选出EC的？
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3192浏览

[Undefined]

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An unusually severe winter occurred in Europe after the continent was blanketed by a blue haze resulting from the eruption of the Laki Volcano in the European republic of Iceland in the summer of 1984.  Thus, it is evident that major eruptions cause the atmosphere to become cooler than it would be otherwise.
Which of the following statements, if true, most seriously weakens the argument above?
C选项为什么就不会有张冠李戴的问题呢，1984和1982的气候情况能一样吗，C里的火山就可以试用于原文的火山吗
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3521浏览

[Undefined]

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The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present. If the concentration of chemical B is increased by 100 percent, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?
为什么这个题一定是相乘不能是相加呢？y=k1A方-k2B （k1,k2大于0 ），也满足题目说的与A方成正比与B成反比啊？但是这道题只有相乘的情况才能选出正确答案
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1180浏览

[Undefined]

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Tiger beetles are such fast runners that they can capture virtually any nonflying insect.  However, when running toward an insect, the beetles intermittently stop, and then, a moment later, resume their attack.  Perhaps they cannot maintain their pace and must pause for a moment's rest; but an alternative hypothesis is that while running tiger beetles are unable to process the resulting rapidly changing visual information, and so quickly go blind and stop.
 
Which of the following, if discovered in experiments using artificially moved prey insects, would support one of the two hypotheses and undermine the other?
答案C是怎么支持一个猜想又削弱另一个猜想的？
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2704浏览

[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?
请解释这道题为什么不选C或E，除了正确选项B，我认为文中也正确地提到了这两个选项可以解释acquisition behavior during 1970s and 80s
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[OG]

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The primary purpose of the passage is to
为什么选E不选B
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[Undefined]

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Club X has more than 10 but fewer than 40 members. Sometimes the members sit at tables with 3 members at one table and 4 members at each of the other tables, and sometimes they sit at tables with 3 members at one table and 5 members at each of the other tables. If they sit at tables with 6 members at each table except one and fewer than 6 members at that one table, how many members will be at the table that has fewer than 6 members?
提问小梅老师 这道题求讲一下 我没什么思路 带入数字得的是3
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[Undefined]

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A photography dealer ordered 60 Model X cameras to be sold for $250 each, which represents a 20 percent markup over the dealer's initial cost for each camera. Of the cameras ordered, 6 were never sold and were returned to the manufacturer for a refund of 50 percent of the dealer's initial cost. What was the dealer's approximate profit or loss as a percent of the dealer's initial cost for the 60 cameras?
请问小梅老师 这道题讲讲一下 我算的是19% 原来成本是200每个 亏了6个 每个亏100. 最后得不出答案
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[Undefined]

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Analytical!
请问may老师，这题该用什么思路来做？
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[Undefined]

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Analytical!
请问张老师，这道题为什么D不对？我有我觉得second paragraph最后一句话特别指向D
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