问答

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[Critical Reasoning]

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题目：

Environmental organizations want to preserve the land surrounding the Wilgrinn Wilderness Area from residential development.  They plan to do this by purchasing that land from the farmers who own it.  That plan is ill-conceived:  if the farmers did sell their land, they would sell it to the highest bidder, and developers would outbid any other bidders.  On the other hand, these farmers will never actually sell any of the land, provided that farming it remains viable.  But farming will not remain viable if the farms are left unmodernized, and most of the farmers lack the financial resources modernization requires.  And that is exactly why a more sensible preservation strategy would be to assist the farmers to modernize their farms to the extent needed to maintain viability.
 
In the argument as a whole, the two boldface proportions play which of the following roles?

选项:

A、The first presents a goal that the argument rejects as ill-conceived; the second is evidence that is presented as grounds for that rejection.
B、The first presents a goal that the argument concludes cannot be attained; the second is a reason offered in support of that conclusion.
C、The first presents a goal that the argument concludes can be attained; the second is a judgment disputing that conclusion.
D、The first presents a goal, strategies for achieving which are being evaluated in the argument; the second is a judgment providing a basis for the argument's advocacy of a particular strategy.
E、The first presents a goal that the argument endorses; the second presents a situation that the argument contends must be changed if that goal is to be met in the foreseeable future.

答案:

D
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[Sentence Correction]

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题目：

Soaring television costs accounted for more than half the spending in the presidential campaign of 1992, a greater proportion than it was in any previous election.

选项:

A、a greater proportion than it was
B、a greater proportion than
C、a greater proportion than they have been
D、which is greater than was so
E、which is greater than it has been

答案:

B
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题目：

Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles Islands.

选项:

A、sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of
B、sloth, that they found in Puerto Rico in 1991, has been dated at 34 million years old, thus making it the earliest mammal known on
C、sloth that was found in Puerto Rico in 1991, was dated at 34 million years old, making this the earliest known mammal of
D、sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on
E、sloth which, found in Puerto Rico in 1991, was dated at 34 million years old, made the sloth the earliest known mammal of

答案:

D
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[Sentence Correction]

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题目：

Heating-oil prices are expected to be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were last year.

选项:

A、Heating-oil prices are expected to be higher this year than last because refiners are paying about $5 a barrel more for crude oil than they were
B、Heating-oil prices are expected to rise higher this year over last because refiners pay about $5 a barrel for crude oil more than they did
C、Expectations are for heating-oil prices to be higher this year than last year’s because refiners are paying about $5 a barrel for crude oil more than they did
D、It is the expectation that heating-oil prices will be higher for this year over last because refiners are paying about $5 a barrel more for crude oil now than what they were
E、It is expected that heating-oil prices will rise higher this year than last year’s because refiners pay about $5 a barrel for crude oil more than they did

答案:

A
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[Sentence Correction]

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题目：

In the past several years, astronomers have detected more than 80 massive planets, most of them as large or larger than Jupiter, which circle other stars.

选项:

A、 most of them as large or larger than Jupiter, which circle
B、 most of them as large or larger than Jupiter and circling
C、 most of them at least as large as Jupiter, circling
D、 mostly at least as large as Jupiter, which circle
E、 mostly as large or larger than Jupiter, circling

答案:

C
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题目：

The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.

选项:

A、as large, integrated companies such as Bethlehem Steel
B、as large, integrated companies, such as Bethlehem Steel, that
C、with large, integrated companies, such as Bethlehem Steel, that
D、while large, integrated companies, such as Bethlehem Steel, that
E、and large, integrated companies such as Bethlehem Steel

答案:

B
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题目：

The single-family house constructed by the Yana, a Native American people who lived in what is now northern California, was conical in shape, its framework of poles overlaid with slabs of bark, either cedar or pine, and banked with dirt to a height of three to four feet.

选项:

A、banked with dirt to a height of
B、banked with dirt as high as that of
C、banked them with dirt to a height of
D、was banked with dirt as high as
E、was banked with dirt as high as that of

答案:

A
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[Critical Reasoning]

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题目：

Many residents of Calovia are committed to using products containing recycled materials.  Soon these consumers will get help in identifying such products from a book being published by the Calovian government.  The book offers a comprehensive listing, by product type and brand, of goods sold in Calovia that contain recycled material.  Therefore, publication of the book will almost certainly increase the use of products containing recycled materials in Calovia.
 
Which of the following, if true, most strengthens the argument?

选项:

A、Proceeds from the sale of the book are not expected to exceed the cost of its publication.
B、For numerous types of products, there are many brands that use recycled materials, although their manufacturers and distributors do nothing to advertise those brands' recycled content.
C、For many materials, such as plastics, the recycling process results in a lower grade of material with a correspondingly different range of uses.
D、For many types of products listed in the book, all the brands available in Calovia use recycled materials.
E、Many manufacturers of products that contain recycled materials vary the proportion of recycled materials in those products in response to changes in price and availability.

答案:

B
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题目：

Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market.  By contrast, the price of soybeans has long remained stable.  Knowing that cotton plants mature quickly, many soybean growers in Ortovia plan to cease growing soybeans and begin raising cotton instead, thereby taking advantage of the high price of cotton to increase their income significantly, at least over the next several years.
 
Which of the following, if true, most seriously weakens the plan's chances for success?

选项:

A、The cost of raising soybeans has increased significantly over the past several years and is expected to continue to climb.
B、Tests of a newly developed, inexpensive pesticide have shown it to be both environmentally safe and effective against the insects that have infested cotton crops.
C、In the past several years, there has been no sharp increase in the demand for cotton and for goods made out of cotton.
D、Few consumers would be willing to pay significantly higher prices for cotton goods than they are now paying.
E、The species of insect that has infested cotton plants has never been known to attack soybean plants.

答案:

B
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[Reading Comprehension]

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文章：

    One proposal for preserving rain forests is to promote the adoption of new agricultural technologies, such as improved plant varieties and use of chemical herbicides, which would increase productivity and slow deforestation by reducing demand for new cropland. Studies have shown that farmers in developing countries who have achieved certain levels of education, wealth, and security of land tenure are more likely to adopt such technologies. But these studies have focused on villages with limited land that are tied to a market economy rather than on the relatively isolated, selfsufficient communities with ample land characteristic of rain-forest regions. A recent study of the Tawahka people of the Honduran rain forest found that farmers with some formal education were more likely to adopt improved plant varieties but less likely to use chemical herbicides and that those who spoke Spanish (the language of the market economy) were more likely to adopt both technologies. Nonland wealth was also associated with more adoption of both technologies, but availability of uncultivated land reduced the incentive to employ the productivity-enhancing technologies. Researchers also measured land-tenure security: in Tawahka society, kinship ties are a more important indicator of this than are legal property rights, so researchers measured it by a household's duration of residence in its village. They found that longer residence correlated with more adoption of improved plant varieties but less adoption of chemical herbicides.

题目：

The primary purpose of the passage is to

选项:

A、evaluate the likelihood that a particular proposal, if implemented, would ultimately succeed in achieving its intended result
B、question the assumption that certain technological innovations are the most effective means of realizing a particular environmental objective
C、discuss the progress of efforts to encourage a particular traditional society to adopt certain modern agricultural methods
D、present the results of new research suggesting that previous findings concerning one set of conditions may not be generalizable to another set of conditions
E、weigh the relative importance of three factors in determining whether a particular strategy will be successful

答案:

D
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1123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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3177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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3503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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1177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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2691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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1247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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294887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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302016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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