[Problem Solving]
试题详情
题目：
Which of the following is equal to [1/(√3 - √2)]2?
獤选项:
A、1
B、5
C、√6
D、5 - √6
E、5 + 2√6
答案:
E
问答
1答疑
1答疑
[Problem Solving]
试题详情
题目：
How many of the integers that satisfy the inequality are less than 5 ?
选项:
A、1
B、2
C、3
D、4
E、5
答案:
D
1答疑
[Reading Comprehension]
试题详情
文章：
题目：
The author of the passage refers to Robert Filmer (see line 9) primarily in order to
选项:
A、show that Royalist ideology was somewhat more radical than most historians appear to realize
B、qualify the claim that patriarchalism formed the basis of Royalist ideology
C、question the view that most early feminists were associated with the Royalist faction
D、highlight an apparent tension between Royalist ideology and the ideas of early feminists
E、argue that Royalists held conflicting opinions on issues of family organization and women’s political rights
答案:
D
1答疑
[Critical Reasoning]
试题详情
题目：
A company's two divisions performed with remarkable consistency over the past three years: in each of those years, the pharmaceuticals division has accounted for roughly 20 percent of dollar sales and 40 percent of profits, and the chemicals division for the balance.
Which of the following can properly be inferred regarding the past three years from the statement above?
选项:
A、Total dollar sales for each of the company's divisions have remained roughly constant.
B、The pharmaceuticals division has faced stiffer competition in its markets than has the chemicals division.
C、The chemicals division has realized lower profits per dollar of sales than has the pharmaceuticals division.
D、The product mix offered by each of the company's divisions has remained unchanged.
E、Highly profitable products accounted for a higher percentage of the chemicals division's sales than of those of the pharmaceuticals division.
答案:
C
1答疑
[Sentence Correction]
试题详情
题目：
By 1999, astronomers had discovered 17 nearby stars that are orbited by planets about the size of Jupiter.
选项:
A、had discovered 17 nearby stars that are orbited by planets
B、had discovered 17 nearby stars with planets orbiting them that were
C、had discovered that there were 17 nearby stars that were orbited by planets
D、have discovered 17 nearby stars with planets orbiting them that are
E、have discovered that 17 nearby stars are orbited by planets
答案:
A
1答疑
[Data Sufficiency]
试题详情
题目：
In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour. She accurately divided her estimated distance by her estimated average speed to obtain an estimate for the time, in hours, that the trip would take. Was her estimate within 0.5 hour of the actual time that the trip took?
- Joan's estimate for the distance was within 5 miles of the actual distance.
- Joan's estimate for her average speed was within 10 miles per hour of her actual average speed.
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:
E
1答疑
[Reading Comprehension]
试题详情
文章：
| Line | Historians remain divided over the role of |
| banks in facilitating economic growth in the | |
| United States in the late eighteenth and early | |
| nineteenth centuries. Some scholars contend | |
| (5) | that banks played a minor role in the nation’s |
| growing economy. Financial institutions, they | |
| argue, appeared only after the economy had | |
| begun to develop, and once organized, followed | |
| conservative lending practices, providing aid to | |
| (10) | established commercial enterprises but |
| shunning those, such as manufacturing and | |
| transportation projects, that were more | |
| uncertain and capital-intensive (i.e., requiring | |
| greater expenditures in the form of capital than in | |
| (15) | labor). |
| A growing number of historians argue, in | |
| contrast, that banks were crucial in transforming | |
| the early national economy. When state | |
| legislatures began granting more bank charters | |
| (20) | in the 1790s and early 1800s, the supply of |
| credit rose accordingly. Unlike the earliest banks, | |
| which had primarily provided short-term loans to | |
| well-connected merchants, the banks of the early | |
| nineteenth century issued credit widely. As Paul | |
| (25) | Gilje asserts, the expansion and democratization |
| of credit in the early nineteenth century became | |
| the driving force of the American economy, as | |
| banks began furnishing large amounts of capital | |
| to transportation and industrial enterprises. The | |
| (30) | exception, such historians argue, was in the |
| South; here, the overwhelmingly agrarian nature | |
| of the economy generated outright opposition | |
| to banks, which were seen as monopolistic | |
| institutions controlled by an elite group of | |
| (35) | planters. |
题目：
The passage suggests that Paul Gilje would be most likely to agree with which of the following claims about the lending practices of the “earliest banks” (see line 21)?
选项:
A、These lending practices were unlikely to generate substantial profits for banks.
B、These lending practices only benefited a narrow sector of the economy.
C、The restrictive nature of these lending practices generated significant opposition outside of the South.
D、The restrictive nature of these lending practices forced state legislatures to begin granting more bank charters by the early nineteenth century.
E、These lending practices were likely to be criticized by economic elites as being overly restrictive.
答案:
B
1答疑
[Problem Solving]
试题详情
题目：
How many different 6-letter sequences are there that consist of 1 A,2 B's,and3 C's ?
选项:
A、 6
B、 60
C、 120
D、 360
E、 720
答案:
B
1答疑
[Reading Comprehension]
试题详情
题目：
Which of the following, if true, would most seriously undermine the author's basis for saying that Wulf overstates Quaker schools' impact?
选项:
A、The information that Wulf herself provided on religious affiliation and gender of students is in fact accurate.
B、Most poor, non-Quaker students enrolled in Quaker schools had completed one or two years' formal or informal schooling before enrolling.
C、Not all of the young women whose commonplace books contained copies of poetry critical of marriage were Quakers.
D、The poetry featured in young women's commonplace books frequently included allusions that were unlikely to be accessible to someone with only three years' study in school.
E、In 1765 an unusually large proportion of the Quaker schools' student body consisted of poor girls from non-Quaker backgrounds.
答案:
B
1答疑
[Problem Solving]
试题详情
题目：
For each student in a certain class, a teacher adjusted the student's test score using the formula y = 0.8x + 20, where x is the student's original test score and y is the student's adjusted test score. If the standard deviation of the original test scores of the students in the class was 20, what was the standard deviation of the adjusted test scores of the students in the class?
选项:
A、12
B、16
C、28
D、36
E、40
答案:
B
0评分
1293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.
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
3664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
4030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
1339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
3005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
2081浏览
0评分
1336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
1407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
332723浏览
0评分
339850浏览
