问答

1答疑

[Data Sufficiency]

登录查看答疑

试题详情

题目：

What is the median number of employees assigned per project for the projects at Company Z?

(1)25 percent of the projects at Company Z have 4 or more employees assigned to each project.

(2)35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

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 statement 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
1答疑

[Reading Comprehension]

登录查看答疑

试题详情

题目：

According to the passage, which of the following is true of plant antiherbivore chemistry?

选项:

A、Changes in a plant's antiherbivore chemistry may affect insect feeding behavior.
B、A plant's repellent effects often involve interactions between gum and resin.
C、A plant's antiherbivore responses assist in combating bacterial infections.
D、Plant antiherbivore chemistry plays only a minor role in the coevolution of plants and insects.
E、Researchers first studied repellent effects in plants beginning in the 1950s.

答案:

A
1答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

题目：

The author cites the fact that the Rio Grande pueblos were never formally withdrawn from public lands primarily in order to do which of the following?

选项:

A、Suggest why it might have been argued that the Winters doctrine ought not to apply to pueblo lands
B、Imply that the United States never really acquired sovereignty over pueblo lands
C、Argue that the pueblo lands ought still to be considered part of federal public lands
D、Support the argument that the water rights of citizens other than American Indians are limited by the Winters doctrine
E、Suggest that federal courts cannot claim jurisdiction over cases disputing the traditional diversion and use of water by Pueblo Indians

答案:

A
1答疑

[Problem Solving]

登录查看答疑

试题详情

题目：

The graph of which of the following equations is a straight line that is parallel to line l in the figure above?

选项:

A、3y – 2x = 0
B、3y + 2x = 0
C、3y + 2x = 6
D、2y – 3x = 6
E、2y + 3x = -6

答案:

A
1答疑

[Multi-Source Reasoning]

登录查看答疑

试题详情

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：

9. The discussion of the researchers’ study of Kenyan IPOs refers to “board prestige” primarily to

选项:

A、help explain why investor sentiment toward some firms is sometimes very low.
B、caution that some variables should not be considered accurate predictors of IPO pricing.
C、introduce one of the variable whose relationship to IPO pricing surprised the researchers.
D、point to one of the attributes firms often use to generate investor interest in their IPO.
E、demonstrate that some attributes of a firm are often negatively correlated with the firm's IPO price.

答案:

C
1答疑

[Critical Reasoning]

登录查看答疑

试题详情

题目：

Editorial: The threat of harsh punishment for a transgression usually decreases one's tendency to feel guilt or shame for committing that transgression , and the tendency to feel guilt or shame for committing a transgression. Thus, increasing the severity of the legal penalties for transgression may amplify people's tendency to ignore the welfare of others.
 
Which one of the following is an assumption required by the editorial's argument?

选项:

A、Legal penalties do not determine the morality of an action
B、At least some actions that involve ignoring the welfare of others are transgressions
C、People who are concerned about threats to their own well-being tend to be less concerned about the welfare of others
D、The threat of harsh punishment deters people from committing transgressions only if this threat is at least sometimes carried out
E、Everyone has at least some tendency to feel guilt or shame for committing extremely severe

答案:

B
1答疑

[Problem Solving]

登录查看答疑

试题详情

题目：

If 0 ＜ r ＜ 1 ＜ s ＜ 2, which of the following must be less than 1?
I.        r/s
II.       rs
III.      s - r
⁲湩猠

选项:

A、I only
B、II only
C、III only
D、I and II
E、I and III

答案:

A
1答疑

[Data Sufficiency]

登录查看答疑

试题详情

题目：

If for all x , what is the value of c  ?
(1) a = 1
(2) b = 2

选项:

答案:

D
1答疑

[Critical Reasoning]

登录查看答疑

试题详情

题目：

Which of the following most logically completes the argument below?
 
When interest rates are high, insurance companies reduce the premiums they charge for many kinds of insurance policies.  The reason is that insurance companies want to take in as much money as possible in premiums so that they can invest the money at high rates of interest.  And premium reductions help achieve this objective, since __________.

选项:

A、interest rates are likely to decrease when large amounts of money are available for loans
B、smaller insurance companies are not able to amass enough money to take advantage of investing at high interest rates
C、insurance companies can sell many more insurance policies if they charge lower premiums than they would if they left premiums unchanged
D、an increase in the number of policies sold eventually leads to an increase in the number of claims that an insurance company has to pay
E、the number of claims that insurance companies pay increases at a higher rate than does the number of policies that the insurance companies can sell at the lower premiums

答案:

C
1答疑

[Table Analysis]

登录查看答疑

试题详情

题目：

The Consumer Price Index (CPI) measures the average prices of goods and services purchased by consumers. In the United States, the CPI-U calculates the CPI for all urban consumers.
The CPI-U is calculated based on prices of food, clothing, shelter, fuels, transportation fares, charges for doctors' and dentists' services, drugs, and other goods and services that people buy for day-to-day living. All taxes directly associated with the purchase and use of items (such as, in the United States, sales taxes) are included in the index. An increase in CPI-U by a certain fractional amount means an increase by that fractional amount in overall prices within the relevant category.
For analyzing general price trends in the economy, seasonally adjusted prices are usually preferred over unadjusted prices because adjusting eliminates the effect of changes that normally occur at the same time and in about the same magnitude every year—such as price movements resulting from climatic conditions, production cycles, model changeovers, and holidays.

For each of the following, select Yes if thestatement is inferable from the giveninformation. Otherwise select No.

选项:

A、The changes in seasonally adjustedprices for used cars and trucksbetween March 2010 andSeptember 2010 were in mostcases less in magnitude than thechanges in seasonally adjustedprices of new vehicles for the sameperiod.
B、The seasonally adjusted CPI-U forall items was higher in March 2010than in the previous month.
C、The seasonally unadjusted changein the price of new vehicles inAugust 2010 over the previousmonth was about the same as theseasonally unadjusted change inthe price of food away from homeover the same period.

答案:

B A B
0评分
1292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
3660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
4028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
1338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
3002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
2080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
1334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
1406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
332504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
339631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