问答

2答疑

[Data Sufficiency]

试题详情

题目:

What is the greatest common divisor of positive integers m and n ?
(1)m is a prime number.
(2)2n = 7m

选项:

A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、EACH statement ALONE is sufficient.
E、Statements (1) and (2) TOGETHER are NOT sufficient.

答案:

C
2答疑

[Problem Solving]

试题详情

题目:

A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour. At what average speed must the driver complete the remaining 20 miles to achieve an average speed of 60 miles per hour for the entire 40-mile trip?        (Assume that the driver did not make any stops during the 40-mile trip.)

选项:

A、65 mph
B、68 mph
C、70 mph
D、75 mph
E、80 mph

答案:

D
2答疑

[Reading Comprehension]

试题详情

文章:

    Although recent censure of corporate boards of directors as "passive" and "supine" may be excessive, those who criticize board performance have plenty of substantive ammunition. Too many corporate boards fail in their two crucial responsibilities of overseeing long-term company strategy and of selecting. evaluating, and determining appropriate. compensation of top management. Attimes, despite disappointing corporate performance, compensation of chief executive officers reaches indefensibly high levels, Nevertheless, suggestions that the government should legislate board reform are premature. There are ample opportunities for boards themselves to improve corporate performance.

    Most corporate boards' compensation committees focus primarily on peer-group comparisons. They are content if the pay of top executives approximates that of the executives of competing firms with comparable short-term earnings or even that of executives of competing firms of comparable size. However, mimicking the compensation policy of competitors for the sake of parity means neglecting the value of compensation as a means of stressing long-term performance. By tacitly detaching executive compensation policy from long-term performance, committees harm their companies and the economy as a whole. The committees must develop incentive compensation policies to emphasize long-term performance. For example a board's compensation committee can, by carefully proportioning straight salary and such short-term and long-term incentives as stock options, encourage top management to pursue a responsible strategy.

题目:

The passage suggests which of the following about government legislation requiring that corporate boards undergo reform?

选项:

A、Such legislation is likely to discourage candidates from joining corporate boards.
B、Such legislation is likely to lead to reduced competition among companies.
C、The performance of individual companies would be affected by such legislation to a greater extent than would the economy as a whole.
D、Such legislation would duplicate initiatives already being made by corporate boards to improve their own performance.
E、Corporate boards themselves could act to make such legislation unnecessary.

答案:

E
2答疑

[Reading Comprehension]

试题详情

文章:

    Historians who study European women of the Renaissance try to measure "independence," "options," and other indicators of the degree to which the expression of women's individuality was either permitted or suppressed.Influenced by Western individualism, these historians define a peculiar form of personhood: an innately bounded unit, autonomous and standing apart from both nature and society. An anthropologist, however, would contend that a person can be conceived in ways other than as an "individual." In many societies a person's identity is not intrinsically unique and self-contained but instead is defined within a complex web of social relationships.

    In her study of the fifteenth-century Florentine widow Alessandra Strozzi, a historian who specializes in European women of the Renaissance attributes individual intention and authorship of actions to her subject. This historian assumes that Alessandra had goals and interests different from those of her sons, yet much of the historian's own research reveals that Alessandra acted primarily as a champion of her sons' interests, taking their goals as her own. Thus Alessandra conforms more closely to the anthropologist's notion that personal motivation is embedded in a social context. Indeed, one could argue that Alessandra did not distinguish her personhood from that of her sons. In Renaissance Europe the boundaries of the con-ceptual self were not always firm and closed and did not necessarily coincide with the boundaries of the bodily self.

题目:

In the first paragraph, the author of the passage mentions a contention that would be made by an anthropologist most likely in order to

选项:

A、present a theory that will be undermined in the discussion of a historian's study later in the passage
B、offer a perspective on the concept of personhood that can usefully be applied to the study of women in Renaissance Europe
C、undermine the view that the individuality of European women of the Renaissance was largely suppressed
D、argue that anthropologists have applied the Western concept of individualism in their research
E、lay the groundwork for the conclusion that Alessandra's is a unique case among European women of the Renaissance whose lives have been studied by historians

答案:

B
2答疑

[Critical Reasoning]

试题详情

题目:

Sunflowers growing in pots were placed, with their roots submerged, in the pond contaminated with radioactive elements.  The sunflowers kept growing; in the process, they absorbed radioactive elements.  Within twelve days, 85 percent of the radioactive elements were removed from the water, which is no less than can be accomplished with the much more expensive conventional filtration techniques.  Scientists therefore propose using sunflowers for decontamination wherever there are radioactively contaminated ponds.
 
Which of the following, if true, points to a limitation on the applicability of the proposed method of decontamination?

选项:

A、Some plants other than sunflowers can also remove radioactive elements from water.
B、The water in many ponds contaminated with radioactive elements is so cold that it would kill sunflowers whose roots were submerged in it.
C、Sunflowers that grow with their roots submerged in water grow less well than sunflowers growing under optimal conditions on dry land.
D、Only species of sunflowers with large leaves can have their roots submerged in water and still keep growing.
E、In ponds in which the circulation of the water is artificially increased, sunflowers absorb radioactive elements far faster than they do in other ponds.

答案:

B
2答疑

[Critical Reasoning]

试题详情

题目:

In Rubaria, excellent health care is available to virtually the entire population, whereas very few people in Terland receive adequate medical care.  Yet, although the death rate for most diseases is higher in Terland than in Rubaria, the percentage of the male population that dies from prostate cancer is significantly higher in Rubaria than in Terland.
 
Which of the following, if true, most helps to explain the disparity between the prostate cancer death rate in Rubaria and Terland?

选项:

A、Effective treatment of prostate cancer in its early stages generally requires medical techniques available in Rubaria but not in Terland.
B、Most men who have prostate cancer are older than the average life expectancy for male inhabitants of Terland.
C、Being in poor general health does not increase one's risk of developing prostate cancer.
D、It is possible to decrease one's risk of getting prostate cancer by eating certain kinds of foods, and such foods are more readily available in Rubaria than in Terland.
E、Among men in Rubaria, the death rate from prostate cancer is significantly higher for those who do not take full advantage of Rubaria's health care system than for those who do.

答案:

B
2答疑

[Sentence Correction]

试题详情

题目:

In 1983 Argonia's currency, the argon, underwent a reduction in value relative to the world's strongest currencies. This reduction resulted in a significant increase in Argonia's exports over 1982 levels. In 1987 a similar reduction in the value of the argon led to another increase in Argonia's exports. Faced with the need to increase exports yet again, Argonia's finance minister has proposed another reduction in the value of the argon.
 
Which of the following, if true, most strongly supports the prediction that the finance minister's plan will not result in a significant increase in Argonia's exports next year?

选项:

A、The value of the argon rose sharply last year against the world's strongest currencies.
B、In 1988 the argon lost a small amount of its value, and Aronian exports rose slightly in 1989.
C、The value of Argonia's exports was lower last year than it was the year before.
D、All of Argonia's export products are made by factories that were operating at full capacity last year, and new factories would take years to build.
E、Reductions in the value of the argon have almost always led to significant reductions in the amount of goods and services that Argonians purchase from abroad.

答案:

D
2答疑

[Problem Solving]

试题详情

题目:

If the sides x of the rectangle below are increased by 3 units, what was the original area?


(1) The resulting area is 20.
(2) The resulting figure is a square. 

选项:

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

答案:

C
2答疑

[Critical Reasoning]

试题详情

题目:

If the City Parks Department receives the same allocation in next year’s municipal budget, it is expected to raise admission fees to the indoor recreation center by fifty cents. If the City Parks Department announces a higher admission fee increase, then its budget allocation for next year must have been reduced.
Which of the following selections expresses a reasoning pattern most similar to the pattern expressed in the passage?

选项:

A、A. If the mountains continue to receive snow at the rate experienced for the past two weeks, ski areas would have a record snow base this winter. Instead, snow fall diminished, and ski areas have a normal ski base this winter.
B、B. If urban neighborhoods wish to reduce crime in their neighborhoods, they should implement neighborhood crime watch programs. If neighborhoods experience higher burglary and theft rates, it must mean that they have not have implemented crime watch programs.
C、C. If the price of raw plastic pellets remains the same, companies that manufacture molded plastic parts such as fishing bobbers can be expected to keep their wholesale prices at last year's levels. Thus, if these wholesalers raise their prices on fishing bobbers, it will be because raw material costs increased.
D、D. If major league baseball teams wish to increase attendance at home games, they should not increase their ticket prices. If they do increase ticket prices, they should be expected to provide better seating and concessions at the stadiums.
E、E. If television networks want to broadcast quality programming, they should recruit programs with good writers and actors. Thus, if the networks recruit poorly written and poorly acted programs, it is likely their television viewership will decline.

答案:

C
2答疑

[Problem Solving]

试题详情

题目:

In a small town, 16 people own Fords and 11 people own Toyotas. If exactly 15 people own only one of the two types of cars, how many people own both types of cars.

选项:

A、2
B、6
C、7
D、12
E、14

答案:

B
0评分
437浏览

[Undefined]

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?
0评分
1476浏览

[Undefined]

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
0评分
1659浏览

[Undefined]

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
0评分
630浏览

[Undefined]

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?
0评分
1453浏览

[GWD]

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
0评分
1027浏览

[OG]

The primary purpose of the passage is to
为什么选E不选B
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683浏览

[Undefined]

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
0评分
701浏览

[Undefined]

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
0评分
165008浏览

[Undefined]

Analytical!
请问may老师,这题该用什么思路来做?
0评分
172122浏览

[Undefined]

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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