问答

1答疑

[Data Sufficiency]

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题目：

In the figure, points A, B, C, D, and E lie on a line.  A is on both circles, B is the center of the smaller circle, C is the center of the larger circle, D is on the smaller circle, and E is on the larger circle.  What is the area of the region inside the larger circle and outside the smaller circle?
(1)       AB = 3 and BC =2
(2)       CD =1 and DE = 4

选项:

答案:

D
1答疑

[Problem Solving]

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题目：

Raymond purchased a package of ground beef at a cost of $1.98 per pound.  If, for the same amount of money, Raymond could have purchased a piece of steak that weighed 40 percent less than the package of ground beef, what was the cost per pound of the steak?

选项:

A、$4.95
B、$4.20
C、$3.60
D、$3.30
E、$3.10

答案:

D
1答疑

[Reading Comprehension]

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文章：

题目：

The primary purpose of the passage is to

选项:

A、challenge recent findings that appear to contradict earlier findings
B、present two sides of an ongoing scientific debate
C、report answers to several questions that have long puzzled researchers
D、discuss evidence that has caused a long-standing belief to be revised
E、attempt to explain a commonly misunderstood biological phenomenon

答案:

D
1答疑

[Sentence Correction]

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题目：

Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were.

选项:

A、to set dividends more conservatively than they were
B、to set dividends more conservatively than they have been
C、to be more conservative than they have been in setting dividends
D、that they will be more conservative than they were in setting dividends
E、that they will be more conservative than they have been to set dividends

答案:

C
1答疑

[Data Sufficiency]

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题目：

Are all of the numbers in a certain list of 15 numbers equal?

(1)The sum of all the numbers in the list is 60.

(2)The sum of any 3 numbers in the list is 12.

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:

B
1答疑

[Problem Solving]

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题目：

When Leo imported a certain item, he made a 7 percent import tax on the portion of the total value of the item in excess of  $1,000.  If the amount of the import tax that Leo paid was $87.50, what was the total value of the item?

选项:

A、$1,600
B、$1,850
C、$2,250
D、$2,400
E、$2,750

答案:

C
1答疑

[Sentence Correction]

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题目：

 Efforts to equalize the funds available to school districts, a major goal of education reformers and many states in the 1970's, has not significantly reduced the gaps existing between the richest and poorest districts.

选项:

A、 has not significantly reduced the gaps existing 
B、has not been significant in reducing the gap that exists 
C、has not made a significant reduction in the gap that exists 
D、have not significantly reduced the gap that exists 
E、have not been significant in a reduction of the gaps existing

答案:

D
1答疑

[Reading Comprehension]

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文章：

Line Despite their many differences of temperament and
of literary perspective, Emerson, Thoreau, Hawthorne,
Melville, and Whitman shared certain beliefs. Common
to all these writers is their humanistic perspective.
(5) Its basic premises are that humans are the spiritual
center of the universe and that in them alone is the
clue to nature, history, and ultimately the cosmos.
Without denying outright the existence of a deity, this
perspective explains humans and the world in terms
(10) of humanity.
This common perspective is almost always
universalized. It emphasizes the human as universal,
freed from the accidents of time, space, birth, and
talent. Thus, for Emerson, the “American Scholar”
(15) turns out to be simply “Man Thinking,” while, for
Whitman, the “Song of Myself” merges imperceptibly
into a song of all the “children of Adam,” where “every
atom belonging to me as good belongs to you.”
Also common to all five writers is the belief
(20) that self-realization depends on the harmonious
reconciliation of two universal psychological
tendencies: first, the self-asserting impulse of
the individual to be responsible only to himself or
herself, and second, the self-transcending impulse
(25) of the individual to know and become one with
that world. These conflicting impulses can be seen
in the democratic ethic. Democracy advocates
individualism, the preservation of the individual's
freedom and self-expression. But the democratic self
(30) is torn between the duty to self, which is implied by
the concept of liberty, and the duty to society, which
is implied by the concepts of equality and fraternity.
A third assumption common to the five writers is
that intuition and imagination offer a surer road to
(35) truth than does abstract logic or scientific method. It
is illustrated by their emphasis upon introspection—
their belief that the clue to external nature is to be
found in the inner world of individual psychology—and
by their interpretation of experience as, in essence,
(40) symbolic. Both these stresses presume an organic
relationship between the self and the cosmos of
which only intuition and imagination can properly take
account. These writers’ faith in the imagination and
in themselves led them to conceive of the writer as a
(45) seer.

题目：

It can be inferred that intuition is important to the five writers primarily because it provides them with

选项:

A、information useful for understanding abstract logic and scientific method
B、the discipline needed in the search for truth
C、inspiration for their best writing
D、clues to the interpretation of symbolic experience
E、the means of resolving conflicts between the self and the world

答案:

D
1答疑

[Critical Reasoning]

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题目：

Economist: Paying extra for fair-trade coffee—coffee labeled with the Fairtrade logo—is intended to help poor farmers, because they receive a higher price for the fair-trade coffee they grow. But this practice may hurt more farmers in developing nations than it helps. By raising average prices for coffee, it encourages more coffee to be produced than consumers want to buy. This lowers prices for non-fair-trade coffee and thus lowers profits for non-fair-trade coffee farmers.

To evaluate the strength of the economist's argument, it would be most helpful to know which of the following?

选项:

A、
A. Whether there is a way of alleviating the impact of the increased average prices for coffee on non-fair-trade coffee farmers' profits
B、
B. What proportion of coffee farmers in developing nations produce fair-trade coffee
C、
C. Whether many coffee farmers in developing nations also derive income from other kinds of farming
D、
D. Whether consumers should pay extra for fair-trade coffee if doing so lowers profits for non-fair-trade coffee farmers
E、
E. How fair-trade coffee farmers in developing nations could be helped without lowering profits for non-fair-trade coffee farmers

答案:

B
1答疑

[Two-part Analysis]

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题目：

A car is traveling on a straight stretch of roadway, and the speed of the car is increasing at a constant rate. At time 0 seconds, the speed of the car is v0 meters per second; 10 seconds later, the front bumper of the car has traveled 125 meters and the speed of the car is v10 meters per second.
In the table, select the value of v0 and v10 that are together consistent with the information provided. Make only two selections, one in each column.

选项:

A、5
B、18
C、20
D、36
E、72

答案:

A C
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1152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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3281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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3632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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1207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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2769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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1900浏览

[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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1218浏览

[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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1283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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303835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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310961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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