问答

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[Critical Reasoning]

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文章：

Sales of telephones have increased dramatically over the last year. In order to take advantage of this increase, Mammoth Industries plans to expand production of its own model of telephone, while continuing its already very extensive advertising of this product.

题目：

Which of the following, if true, provides most support for the view that Mammoth Industries cannot increase its sales of telephones by adopting the plan outlined above?

选项:

A、Although it sells all the telephones that it produces, Mammoth Industries' share of all telephone sales has declined over the last year.Mammoth Industries' average inventory of telephones awaiting shipment to retailers has declined slightly over the last year.
B、Advertising has made the brand name of Mammoth Industries' telephones widely known, but few consumers know that Mammoth Industries owns this brand.
C、Mammoth Industries' telephone is one of three brands of telephone that have together accounted for the bulk of the last year's increase in sales.
D、Despite a slight decline in the retail price, sales of Mammoth Industries' telephones have fallen in the last year.

答案:

E
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[Verbal]

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题目：

LAST 提问请拍照上传题目

选项:

答案:

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[Critical Reasoning]

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文章：

Mourdet Winery: Danville Winery's new wine was introduced to compete with our most popular wine, which is sold in a distinctive tall, black bottle. Danville uses a similar bottle. Thus, it is likely that many customers intending to buy our wine will mistakenly buy theirs instead.Danville Winery: Not so. The two bottles can be readily distinguished: the label on ours, but not on theirs, is gold colored.

题目：

Which of the following, if true, most undermines Danville Winery's response?

选项:

A、Gold is the background color on the label of many of the wines produced by Danville Winery. When the bottles are viewed side by side, Danville Winery's bottle is perceptibly taller than Mourdet Winery's.
B、Danville Winery, unlike Mourdet Winery, displays its wine's label prominently in advertisements. 
C、It is common for occasional purchasers to buy a bottle of wine on the basis of a general impression of the most obvious feature of the bottle. 
D、Many popular wines are sold in bottles of a standard design.

答案:

D
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[Critical Reasoning]

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题目：

Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.  This year the plantings are being seriously damaged by bollworms.  Bollworms, however, are not necessarily developing resistance to the cotton's insecticide.  Bollworms breed on corn, and last year more corn than usual was planted throughout cotton-growing regions.  So it is likely that the cotton is simply being overwhelmed by corn-bred bollworms.
 
In evaluating the argument, which of the following would it be most useful to establish?

选项:

A、Whether corn could be bioengineered to produce the insecticide
B、Whether plantings of cotton that does not produce the insecticide are suffering unusually extensive damage from bollworms this year
C、Whether other crops that have been bioengineered to produce their own insecticide successfully resist the pests against which the insecticide was to protect them
D、Whether plantings of bioengineered cotton are frequently damaged by insect pests other than bollworms
E、Whether there are insecticides that can be used against bollworms that have developed resistance to the insecticide produced by the bioengineered cotton

答案:

B
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[Sentence Correction]

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题目：

The use of gravity waves, which do not interact with matter in the way electromagnetic waves do, hopefully will enable astronomers to study the actual formation of black holes and neutron stars.

选项:

A、in the way electromagnetic waves do, hopefully will enable
B、in the way electromagnetic waves do, will, it is hoped, enable
C、like electromagnetic waves, hopefully will enable
D、like electromagnetic waves, would enable, hopefully
E、such as electromagnetic waves do, will, it is hoped, enable

答案:

B
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[Sentence Correction]

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题目：

According to public health officials, in 1998 Massachusetts became the first state in which more babies were born to women over the age of thirty than under it.

选项:

A、than  
B、than born  
C、than they were 
D、than there had been 
E、than had been born.

答案:

A
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[Data Sufficiency]

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题目：

How many different factors does the integer n have?
(1)   n = a4b3, where a and b are different positive prime numbers.
(2) The only positive prime numbers that are factors of n are 5 and 7.

选项:

答案:

A
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[Sentence Correction]

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题目：

If a drug that is already on the market has the potential to help adults and children who have the same disease, or if it is widely used in children and the absence of labeling seems dangerous, the FDA can require that the drug undergo pediatric study.

选项:

A、that the drug undergo
B、that the drug undergoes
C、that the drug is to undergo
D、the drug undergoing
E、the drug to have to undergo

答案:

A
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[Critical Reasoning]

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题目：

Frobisher, a sixteenth-century English explorer, had soil samples from Canada's Kodlunarn Island examined for gold content.  Because high gold content was reported, Elizabeth I funded two mining expeditions.  Neither expedition found any gold there.  Modern analysis of the island's soil indicates a very low gold content.  Thus the methods used to determine the gold content of Frobisher's samples must have been inaccurate.
 
Which of the following is an assumption on which the argument depends?

选项:

A、The gold content of the soil on Kodlunarn Island is much lower today than it was in the sixteenth century.
B、The two mining expeditions funded by Elizabeth I did not mine the same part of Kodlunarn Island.
C、The methods used to assess gold content of the soil samples provided by Frobisher were different from those generally used in the sixteenth century.
D、Frobisher did not have soil samples from any other Canadian island examined for gold content.
E、Gold was not added to the soil samples collected by Frobisher before the samples were examined.

答案:

E
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[Critical Reasoning]

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题目：

Hollywood restaurant is replacing some of its standard tables with tall tables and stools. The restaurant already fills every available seat during its operating hours, and the change in seating arrangements will not result in an increase in the restaurant’s seating capacity. Nonetheless, the restaurant’s management expects revenue to increase as a result of the seating change without any concurrent change in menu, prices, or operating hours.

Which of the following, if true, provides the best reason for the expectation?

选项:

A、One of the taller tables takes up less floor space than one of the standard tables.
B、Diners seated on stools typically do not linger over dinner as long as diners seated at standard tables.
C、Since the restaurant will replace only some of its standard tables, it can continue to accommodate customers who do not care for the taller tables.
D、Few diners are likely to avoid the restaurant because of the new seating arrangement.
E、The standard tables being replaced by tall tables would otherwise have to be replaced with new standard tables at a greater expense.

答案:

B
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788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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2404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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2634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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922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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2113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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[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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[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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979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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[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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[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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