问答

1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Scientists have recently discovered what could be the largest and oldest living organism on Earth, a giant fungus that is an interwoven filigree of mushrooms and rootlike tentacles spawned by a single fertilized spore some 10,000 years ago and extending for more than 30 acres in the soil of a Michigan forest.

选项:

A、extending
B、extends
C、extended
D、it extended
E、is extending

答案:

A
1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Many kitchens today are equipped with high-speed electrical gadgets, such as blenders and food processors, which are able to inflict as serious injuries as those caused by an industrial wood-planing machine.

选项:

答案:

E
1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

There are no legal limits, as there are for cod and haddock, on the size of monkfish that can be caught, a circumstance that contributes to their depletion through overfishing.

选项:

A、There are no legal limits, as there are for cod and haddock, on the size of monkfish that can be caught, a circumstance that contributes to their depletion through overfishing.
B、There are no legal limits on the size of monkfish that can be caught, unlike cod or haddock, a circumstance that contributes to depleting them because they are being overfished.
C、There are legal limits on the size of cod and haddock that can be caught, but not for monkfish, which contributes to its depletion through overfishing.
D、Unlike cod and haddock, there are no legal size limits on catching monkfish, which contributes to its depletion by being overfished.
E、Unlike catching cod and haddock, there are no legal size limits on catching monkfish, contributing to their depletion because they are overfished.

答案:

A
1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

Architects and stonemasons, huge palace and temple clusters were built by the Maya without benefit of the wheel or animal transport.

选项:

A、huge palace and temple clusters were built by the Maya without benefit of the wheel or animal transport 
B、without the benefits of animal transport or the wheel, huge palace and temple clusters were built by the Maya 
C、the Maya built huge palace and temple clusters without the benefit of animal transport or the wheel 
D、there were built, without the benefit of the wheel or animal transport, huge palace and temple clusters by the Maya 
E、were the Maya who, without the benefit of the wheel or animal transport, built huge palace and temple clusters

答案:

C
1答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

题目：

It can be inferred from the passage that a large plant might have to spend more than a similar but smaller plant on environmental compliance because the larger plant is

选项:

A、more likely to attract attention from local regulators
B、less likely to be exempt from permit and reporting requirements
C、less likely to have regulatory costs passed on to it by companies that supply its raw materials
D、more likely to employ older production technologies
E、more likely to generate wastes that are more environmentally damaging than those generated by smaller plants

答案:

B
1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

The United States petroleum industry’s cost to meet environmental regulations is projected at ten percent of the price per barrel of refined petroleum by the end of the decade.

选项:

A、The United States petroleum industry’s cost to meet environmental regulations is projected at ten percent of the price per barrel of refined petroleum by the end of the decade.
B、The United States petroleum industry’s cost by the end of the decade to meet environmental regulations is estimated at ten percent of the price per barrel of refined petroleum.
C、By the end of the decade, the United States petroleum industry’s cost of meeting environmental regulations is projected at ten percent of the price per barrel of refined petroleum.
D、To meet environmental regulations, the cost to the United States petroleum industry is estimated at ten percent of the price per barrel of refined petroleum by the end of the decade.
E、It is estimated that by the end of the decade the cost to the United States petroleum industry of meeting environmental regulations will be ten percent of the price per barrel of refined petroleum.

答案:

E
1答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

题目：

Which of the following, if true, would most clearly undermine Gallagher’s explanation of the link between Royalism and feminism?

选项:

A、Because of their privileged backgrounds, Royalist women were generally better educated than were their Parliamentarian counterparts.
B、Filmer himself had read some of Cavendish’s early writings and was highly critical of her ideas.
C、Cavendish’s views were highly individual and were not shared by the other Royalist women who wrote early feminist works.
D、The Royalist and Parliamentarian ideologies were largely in agreement on issues of family organization and women’s political rights.
E、The Royalist side included a sizable minority faction that was opposed to the more radical tendencies of Filmerian patriarchalism.

答案:

C
1答疑

[Sentence Correction]

登录查看答疑

试题详情

题目：

To protect English manufacturers of woolen goods both against American and Irish competition, England passed the Woolens Act of 1698, which prohibited the export of woolen cloth beyond a colony's borders.

选项:

A、 To protect English manufacturers of woolen goods both against American and Irish competition, England passed the Woolens Act of 1698
B、 In order to protect English manufacturers of woolen goods against both American and Irish competition, England passed the Woolens Act of 1698
C、 In order to protect English manufacturers of woolen goods against American, as well as against Irish, competition, the Woolens Act of 1698 was passed by England
D、 For protecting English manufacturers of woolen goods against American, as well as Irish, competition, England passed the Woolens Act of 1698
E、 For the protection of English manufacturers of woolen goods against both American and Irish competition, the Woolens Act of 1698, passed by England

答案:

B
1答疑

[Reading Comprehension]

登录查看答疑

试题详情

文章：

Line When asteroids collide, some collisions cause
an asteroid to spin faster; others slow it down. If
asteroids are all monoliths—single rocks—undergoing
random collisions, a graph of their rotation rates
(5) should show a bell-shaped distribution with statistical
“tails” of very fast and very slow rotators. If asteroids
are rubble piles, however, the tail representing the
very fast rotators would be missing, because any
loose aggregate spinning faster than once every few
(10) hours (depending on the asteroid’s bulk density)
would fly apart. Researchers have discovered that
all but five observed asteroids obey a strict limit on
rate of rotation. The exceptions are all smaller than
200 meters in diameter, with an abrupt cutoff for
(15) asteroids larger than that.
The evident conclusion—that asteroids larger than
200 meters across are multicomponent structures or
rubble piles—agrees with recent computer modeling
of collisions, which also finds a transition at that
(20) diameter. A collision can blast a large asteroid to bits,
but after the collision those bits will usually move
slower than their mutual escape velocity. Over several
hours, gravity will reassemble all but the fastest
pieces into a rubble pile. Because collisions among
(25) asteroids are relatively frequent, most large bodies
have already suffered this fate. Conversely, most
small asteroids should be monolithic, because impact
fragments easily escape their feeble gravity.

题目：

The discovery of which of the following would call into question the conclusion mentioned in line 16?

选项:

A、An asteroid 100 meters in diameter rotating at a rate of once per week
B、An asteroid 150 meters in diameter rotating at a rate of 20 times per hour
C、An asteroid 250 meters in diameter rotating at a rate of once per week
D、An asteroid 500 meters in diameter rotating at a rate of once per hour
E、An asteroid 1,000 meters in diameter rotating at a rate of once every 24 hours

答案:

D
1答疑

[Data Sufficiency]

登录查看答疑

试题详情

题目：

Is the sum of p2 and q2 greater than 1?
(1)   p is greater than 1/2.
(2) q is greater than 1/2.

选项:

答案:

E
0评分
1293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
3667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
4034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
1339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
3010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
2083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
1336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
1407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
332953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
340080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