问答

2答疑

[Critical Reasoning]

登录查看答疑

试题详情

题目：

Last year a chain of fast-food restaurants, whose menu had always centered on hamburgers, added its first vegetarian sandwich, much lower in fat than the chain’s other offerings. Despite heavy marketing, the new sandwich accounts for a very small proportion of the chain’s sales. The sandwich’s sales would have to quadruple to cover the costs associated with including it on the menu. Since such an increase is unlikely, the chain would be more profitable if it dropped the sandwich.

Which of the following, if true, most seriously weakens the argument?

选项:

A、Although many of the chain’s customers have never tried the vegetarian sandwich, in a market research survey most of those who had tried it reported that they were very satisfied with it.
B、Many of the people who eat at the chain’s restaurants also eat at the restaurants of competing chains and report no strong preference among the competitors.
C、Among fast-food chains in general, there has been little or no growth in hamburger sales over the past several years as the range of competing offerings at other restaurants has grown.
D、When even one member of a group of diners is a vegetarian or has a preference for low-fat food, the group tends to avoid restaurants that lack vegetarian or low-fat menu options.
E、An attempt by the chain to introduce a lower-fat hamburger failed several years ago, since it attracted few new customers and most of the chain’s regular customers greatly preferred the taste of the regular hamburgers.

答案:

D
2答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Last year land values in most parts of the pinelands rose almost so fast, and in some parts even faster than what they did outside the pinelands.

选项:

A、so fast, and in some parts even faster than what they didso fast, and in some parts even faster than,those
B、as fast, and in some parts even faster than,those
C、as fast as, and in some parts even faster than,those
D、as fast as, and in some parts even faster than what they did

答案:

D
2答疑

[Data Sufficiency]

登录查看答疑

试题详情

题目：

The ratio of the number of women to the number of men to the number of children in a room is 5:2:7, respectively. What is the total number of people in the room?
(1)   The total number of women and children in the room is 12.
(2) There are fewer than 4 men in the room.

选项:

答案:

D
2答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Native American burial sites dating back 5,000 years indicate that the residents of Maine at that time were part of a widespread culture of Algonquian-speaking people.

选项:

A、were part of a widespread culture of Algonquian-speaking peoplehad been part of a widespread culture of people who were Algonquian-speaking
B、were people who were part of a widespread culture that was Algonquian-speaking
C、had been people who were part of a widespread culture that was Algonquian-speaking
D、were a people which had been part of a widespread, algonquian-speaking culture

答案:

A
2答疑

[Critical Reasoning]

登录查看答疑

试题详情

题目：

On Pacific islands, a newly arrived gecko species, the house gecko, is displacing the previously established mourning gecko in urban areas, but populations of the two species are more stable in rural areas far from human settlement.The house gecko does not attack the mourning gecko, but in areas where insects congregate it prevents the mourning gecko from feeding on them.
Which of the following contributes most to an explanation of the difference between gecko populations in urban and rural areas?

选项:

A、In urban areas, geckos are valued because they eat so many insects.
B、Geckos defend territories against other members of the same species.
C、House geckos that arrive on islands are carried there in boats and planes.
D、In places where there are lighted buildings, insects tend to gather around the light.
E、Mourning geckos are all females and reproduce asexually, but house geckos reproduce sexually.

答案:

D
2答疑

[Data Sufficiency]

登录查看答疑

试题详情

题目：

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:

B
2答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

Line Antonia Castañeda has utilized scholarship from
women’s studies and Mexican-American history to
examine nineteenth-century literary portrayals of
Mexican women. As Castañeda notes, scholars of
(5) women’s history observe that in the United States,
male novelists of the period—during which, according
to these scholars, women’s traditional economic role
in home-based agriculture was threatened by the
transition to a factory-based industrial economy—
(10) define women solely in their domestic roles of wife and
mother. Castañeda finds that during the same period
that saw non-Hispanic women being economically
displaced by industrialization, Hispanic law in territorial
California protected the economic position of
(15) “Californianas” (the Mexican women of the territory) by
ensuring them property rights and inheritance rights
equal to those of males.
 For Castañeda, the laws explain a stereotypical
plot created primarily by male, non-Hispanic novelists:
(20) the story of an ambitious non-Hispanic merchant or
trader desirous of marrying an elite Californiana.
These novels’ favorable portrayal of such women
is noteworthy, since Mexican-American historians
have concluded that unflattering literary depictions
(25) of Mexicans were vital in rallying the United States
public’s support for the Mexican-American War
(1846–1848). The importance of economic alliances
forged through marriages with Californianas explains
this apparent contradiction. Because of their real-
(30) life economic significance, the Californianas were
portrayed more favorably than were others of the
same nationality.

题目：

The “apparent contradiction” mentioned in line 29 refers to the discrepancy between the

选项:

A、
legal status of Mexican women in territorial California and their status in the United States
B、
unflattering depiction of Mexicans in novels and the actual public sentiment about the Mexican-American War
C、
existence of many marriages between Californianas and non-Hispanic merchants and the strictures against them expressed in novels
D、
literary depiction of elite Californianas and the literary depiction of other Mexican individuals
E、
novelistic portrayals of elite Californianas' privileged lives and the actual circumstances of those lives

答案:

D
2答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Unable to build nests or care for their young, a female cowbird lays up to 40 eggs a year in the nests of other birds, including warblers, vireos, flycatchers, and thrushes.

选项:

A、
A. a female cowbird lays up to 40 eggs a year in the nests of other birds, including
B、
B. a female cowbird will use the nests of other birds to lay up to 40 eggs a year, including those of
C、
C. female cowbirds use the nests of other birds to lay up to 40 eggs a year, including those of
D、
D. female cowbirds lay up to 40 eggs a year in the nests of other birds, including
E、
E. up to 40 eggs a year are laid by female cowbirds in the nests of other birds, including

答案:

D
2答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

    Why firms adhere to or deviate from their strategic plans is poorly understood. However, theory and limited research suggest that the process through which such plans emerge may play a part. In particular, top management decision-sharing consensus-oriented, team-based Decision -making-may increase the likelihood that firms will adhere to their plans, because those involved in the decision-making may be more committed to the chosen course of action, thereby increasing the likelihood that organizations will subsequently adhere to their plans.

    However, the relationship between top management decision-sharing and adherence to plans may be affected by a firm's strategic mission (its fundamental approach to increasing sales revenue and market share, and generating cash flow and short-term profits). At one end of the strategic mission continuum, "build" strategies are pursued when a firm desires to increase its market share and is willing to sacrifice short-term profits to do so. At the other end, "harvest" strategies are used when a firm is willing to sacrifice market share for short-term profitability and cash-flow maximization. Research and theory suggest that top management decision-sharing may have a more positive relationship with adherence to plans among firms with harvest strategies than among firms with build strategies. In a study of strategic practices in several largefirms, managers in harvest strategy scenarios were more able to adhere to their business plans. As one of the managers in the study explained it, this is partly because "[t] ypically all a manager has to do [when implementing a harvest strategy] is that which was done last year." Additionally, managers under harvest strategies may have fewer strategic options than do those under build strategies; it may therefore be easier to reach agreement on a particular course of action through decision-sharing, which will in turn tend to promote adherence to plans. Conversely, in a "build" strategy scenario, individual leader-ship, rather than decision-sharing, may promote adherence to plans. Build strategies-which typically require leaders with strong personal visions for a firm's future, rather than the negotiated compromise of the team-based decision-maybe most closely adhered to when implemented in the context of a clear strategic vision of an individual leader, rather than through the practice of decision-sharing.

题目：

The author includes the quotation in the highlighted text of the passage most probably in order to

选项:

A、lend support to the claim that firms utilizing harvest strategies may be more likely to adhere to their strategic plans
B、suggest a reason that many managers of large firm prefer harvest strategies to build strategies
C、provide an example of a firm that adhered to its strategic plan because of the degree of its managers' commitment
D、demonstrate that managers implementing harvest strategies generally have better strategic options than do managers implementing build strategies
E、give an example of a large firm that successfully implemented a harvest strategy

答案:

A
2答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Unlike the steam locomotive, which required an hour or two of firing up before it was possible to move under its own power, nearly full power could be summoned almost instantly from the cold engine of a diesel locomotive.

选项:

A、it was possible to move under its own power, nearly full power could be summoned almost instantly from the cold engine of a diesel locomotive
B、it was possible to move under its own power, the diesel locomotive's engine, when cold, could produce nearly full power almost instantly
C、it could move under its own power, the diesel locomotive could summon nearly full power from a cold engine almost instantly
D、moving under its own power, the cold engine of the diesel locomotive could produce nearly full power almost instantly
E、moving under its own power, almost instantly a diesel locomotive could summon nearly full power from a cold engine

答案:

C
0评分
416浏览

[Undefined]

登录查看答疑
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
1441浏览

[Undefined]

登录查看答疑
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
1612浏览

[Undefined]

登录查看答疑
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
618浏览

[Undefined]

登录查看答疑
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
1423浏览

[GWD]

登录查看答疑
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
1006浏览

[OG]

登录查看答疑
The primary purpose of the passage is to
为什么选E不选B
0评分
670浏览

[Undefined]

登录查看答疑
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
689浏览

[Undefined]

登录查看答疑
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
159938浏览

[Undefined]

登录查看答疑
Analytical!
请问may老师，这题该用什么思路来做？
0评分
167047浏览

[Undefined]

登录查看答疑
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
点我领取
免费专项课程
 在线咨询