问答

1答疑

[Critical Reasoning]

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题目：

A major network news organization experienced a drop in viewership in the week following the airing of a controversial report on the economy. The network also received a very large number of complaints regarding the report. The network, however, maintains that negative reactions to the report had nothing to do with its loss of viewers.

Which of the following, if true, most strongly supports the network's position?

选项:

A、The other major network news organizations reported similar reductions in viewership during the same week.
B、The viewers who registered complaints with the network were regular viewers of the news organization's programs.
C、Major network news organizations publicly attribute drops in viewership to their own reports only when they receive complaints about those reports.
D、This was not the first time that this network news organization has aired a controversial report on the economy that has inspired viewers to complain to the network.
E、Most network news viewers rely on network news broadcasts as their primary source of information regarding the economy.

答案:

A
1答疑

[Table Analysis]

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文章：

A scholar examined certain characteristics of a sample of 8 artworks selected from the collection of an art museum in the southwestern United States. These characteristics are summarized in the table; the term figurative is applied to works that depict the human figure.

Work On view? (yes/no) Hispanic or Native American artist? (yes/no) Gender of artist (F/M) Year created Medium Figurative? (yes/no)
Back to the Blanket no yes M 2008 textile yes
Canyon de Chelly no no M 1983 photograph yes
Flight Field no no M 1974 photograph no
Jaynelle Across the Sea no no M 2006 charcoal/mixed media yes
My Children yes no M 1920 oil on canvas yes
Portrait of the Eternal no yes M 1934 photograph yes
Roadside Stand Near Birmingham no no M 1936 photograph no
Sibylle Binder no no F 1928 photograph yes

题目：

For each of the following statements concerning the works in this sample, select Yes if the statement is supported by the information provided; otherwise, select No.

选项:

A、The majority of the photographs are figurative.
B、The figurative photographs were all created prior to 1950.
C、There is at least one artwork by a female artist who is either Hispanic or Native American.

答案:

A B B
1答疑

[Multi-Source Reasoning]

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文章：

Kenyan IPO pricing

    Researchers recently examined the initial public offering (IPO)—a private firm's first sale of stock shares to the public—of firms listed on Kenya's Nairobi Stock Exchange (NSE) between 1994 and 2008. During this time, the number of IPOs listed per year varied from zero to four The researchers wanted to exam­ine the extent to which four different variables—investor sentiment, firm size, board prestige, and firm age—affected the IPO stock share price, which is set by the firm. They hypothesized that all four variables would show a strong positive correlation with this IPO asking price. However, after examining the firms listed, they were surprised to find that none of the variables showed a strong positive correlation with IPO pricing, and in fact investor sentiment and board prestige both showed a strong negative correlation.

    The researchers also discovered that nearly all of these IPOs were underpriced by an aver­age of 50 percent, which is to say the IPO share prices were about half of what the share prices were at the close of that first day of trading. Such underpricing constitutes a loss to the listed firm because the firm could have immediately raised more money with a higher price. The researchers noted that firms should take care to set an IPO price low enough to capture investor interest but high enough to generate sufficient capital for the firm.

Kenyan IPOs, 1994-2008

    The table lists companies, examined by the researchers, that had their IPO on the NSE between 1994 and 2008, together with the IPO share price, first day closing price, and percent underpricing. Prices are in Kenyan shillings.

题目：

8. For each of the following statements, select Supported if the statement is supported by the information provided about NSE IPOs. Otherwise select Not supported.

选项:

A、The board of Safaricom was likely considered more prestigious than that of Co-Operative Bank at the time of their IPOs.
B、Kenya Re and Eveready were approximately the same size firms at the time of their IPOs.
C、When their IPO prices were set, investor sentiment was likely more favorable toward Kengen than toward Scangroup or Eveready.

答案:

A B B
1答疑

[Data Sufficiency]

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题目：

What is the remainder when the sum of the positive integers x and y is divided by 6?
(1)     When x is divided by 6, the remainder is 3.
(2)     When y is divided by 6, the remainder is 1.

选项:

答案:

C
1答疑

[Reading Comprehension]

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文章：

    The dry mountain ranges of the Western united states contain rocks dating back 440 to 510 million years, to the Ordovician period, and teeming with evidence of tropical marine life. This rock record provides clues about one of the most significant radiations (periods when existing life-forms gave rise to variations that would eventually) evolve into entirely new species) in the history of marine invertebrates. During this radiation the number of marine biological families increased greatly, and these families included species that would dominate the marine ecosystems of the area for the next 215 million years. Although the radiation spanned tens of millions of years, major changes in many species occurred during a geologically short time span within the radiation and, furthermore, appear to have occurred worldwide, suggesting that external events were major factors in the radiation. And , in fact, there is evidence of major ecological and geological changes during this period: the sea level dropped drastically and mountain ranges were formed, in this instance, rather than leading to large-scale extinctions, these kinds of environmental changes may have resulted in an enriched pattem of habitats and nutrients, which in turn gave rise to the Ordovician radiation, However, the actual relationship between these environmental factors and the diversification of life forms is not yet fully understood.

题目：

The passage is primarily concerned with

选项:

A、evaluating the evidence of a major geo logic period and determining its duration
B、describing an evolutionary phenomenon and speculating about its cause
C、explaining the mechanisms through which marine life-forms evolved during a par ticular period
D、analyzing the impact on later life-forms of an important evolutionary development
E、contrasting a period of evolutionary change with other such periods

答案:

B
1答疑

[Problem Solving]

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题目：

The age of the Earth is approximately 1.3×1017 seconds, and one year is approximately 3.2×107 seconds.  Which of the following is closest to the age of the Earth in years?
畮

选项:

A、2.5×109
B、4.1×109
C、1.9×1010
D、2.5×1011
E、4.1×1011

答案:

B
1答疑

[Sentence Correction]

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题目：

The most vexing problem faced by researchers exploring wind-powered
generation of electricity is achieving a constant flow of power
from an unpredictable natural source that meets demand,
but so the flow does not overload electrical grids with sudden
voltage increases

选项:

A、achieving a constant flow of power from an unpred-ictable natural source that meets demand, but so the flow does not overload
B、achieving a constant flow of power from an unpredictable natural source, which meets demand but without overloading.
C、how to achieve a constant flow of power from an unpredictable natural source, a flow that meets demand but does not overload.
D、how to achieve a constant flow of power from an unpredictable natural source, but a flow that meets demand without overloading
E、how a constant flow of power from an unp-redictable natural source can be achieved, which meets demand but does not overload.

答案:

C
1答疑

[Critical Reasoning]

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题目：

Rev. Hayes says that an action is right if it benefits one or more other people and an action is wrong if it harms anyone. Rev. Hayes says the action is wrong if the harm could have been seen with reasonable thought or whether or not harm was intended to anyone.
Which one of the following most clearly conforms to the principle cited above?

选项:

A、A. Frank wrote a proposal attempting to cause trouble between Linda and Jane; this action was morally bad, even though, in fact, it had an opposite effect than the one intended.
B、B. Giving a homeless man a ride to a local shelter, Fred was in a serious car accident that was not his fault. The homeless man, injured in the accident, received a settlement from the other driver's insurance company. The settlement allowed him to get an apartment for him and his family; thus showing that a right action can have both bad and good consequences.
C、C. Giving a homeless man a ride to a local shelter, George was in a serious car accident that was his fault. The homeless man, injured in the accident, received a settlement from George's insurance company. The settlement allowed him to get an apartment for him and his family; thus showing that a right action can have both bad and good consequences.
D、D. Linda agreed to watch her friend's cat for two weeks at her home. Everything went fine for 10 days. Then, on the next day, when Linda opened the window and sat down to watch television, the cat fell out of the window and was injured. She took the cat to a local vet, paid the bill, and the cat was almost recovered by the time Linda's friend returned. Even though she intended no harm, Linda's action was wrong.
E、E. Mary, a trained social worker, was asked by a homeless man for food. She walked with the man to the local shelter that runs a soup kitchen. There, the man choked while eating lunch and died. Thus, Mary performed a wrong action.

答案:

D
1答疑

[Reading Comprehension]

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文章：

题目：

Which of the following, if true, would most weaken the author’s conclusion in lines 18–22 ?

选项:

A、New research reveals that the number of species of birds and parasites that prey on lepidoptera has dropped significantly in recent years.
B、New experiments in which the habitats of lepidoptera are altered in previously untried ways result in the shortening of lepidoptera population cycles.
C、Recent experiments have revealed that the nuclear polyhedrosis virus is present in a number of predators and parasites of lepidoptera.
D、Differences among the habitats of lepidoptera species make it difficult to assess the effects of weather on lepidoptera population cycles.
E、Viral disease is typically observed in a large proportion of the lepidoptera population.

答案:

B
1答疑

[Problem Solving]

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题目：

Let ∇ denote a mathematical operation. Is it true that x∇y = y∇x for all x and y?
(1) x∇y = 1x + 1y
(2) x∇y = x − y

选项:

A、A. if statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
B、B. if statement (2) ALONE is sufficient to answer the question but statement (1) alone is not sufficient;
C、C. if the two statements TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient;
D、D. if EACH statement ALONE is sufficient to answer the question;
E、E. if the two statements TAKEN TOGETHER are still NOT sufficient to answer the question.

答案:

D
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1142浏览

[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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3256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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3609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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1197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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2749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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1272浏览

[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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302595浏览

[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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309722浏览

[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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