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题目：

In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and costal netting, by pollution, and by various other threats to the fish's habitat.

选项:

A、number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting
B、number of wild salmon is reduced because deep-sea and coastal netting is not controlled
C、numbers of wild salmon has been reduced because of uncontrolled deep-sea and coastal netting
D、wild salmon's numbers are reduced by deep-sea and coastal netting that is not controlled
E、wild salmon's numbers have been reduced by uncontrolled deep-sea and coastal netting

答案:

E
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题目：

The Nobel Prize in chemistry was awarded to three scientists for their discovery that plastic can be made electrically conductive--an advance that has led to improvements in film, television screens, and windows.
 

选项:

A、 that plastic can be made electrically conductive--an advance that has led
B、 that plastic can be made electrically conductive--this advance leading
C、 that plastic can be made to be electrically conductive, and this advance led
D、 of plastic's ability to be made electrically conductive, with this advance leading
E、 of plastic being able to be made electrically conductive--an advance that has led

答案:

A
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题目：

Providing initial evidence that airport are a larger source of pollution than they were once believed to be, environmentalists in Chicago report that the total amount of pollutant emitted annually by vehicles at O'Hare International Airport is twice as much as that which is being emitted annually by all motor vehicles in the Chicago metropolitan area.

选项:

A、as much as that which is being emitted annually by all
B、as much annually as is emitted by the
C、as much compared to what is annually emitted by all
D、that emitted annually by all
E、that emitted annually compared to the

答案:

D
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题目：

 Unlike computer skills or other technical skills, there is a disinclination op the part of many people to recognize the degree to which their analytical skills are weak.

选项:

A、Unlike computer skills or other technical skills, there is a disinclination on the part of many people to recognize the degree to which their analytical skills are weak. 
B、Unlike computer skills or other technical skills, which they admit they lack, many people are disinclined to recognize that their analytical skills are weak. 
C、Unlike computer skills or other technical skills, analytical skills bring out a disinclination in many people to recognize that they are weak to a degree. 
D、Many people, willing to admit that they lack computer skills or other technical skills, are disinclined to recognize that their analytical skills are weak. 
E、Many people have a disinclination to recognize the weakness of their analytical skills while willing to admit their lack of computer skills or other technical skills.

答案:

D
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[Critical Reasoning]

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题目：

Denoma, a major consumer-electronics maker, had a sizeable decline in sales revenue for its most recent fiscal year.  This result appears surprising, because electronics retailers report that although their overall sales were considerably lower than in the previous year, their sales revenue from Denoma models actually grew, largely thanks to some innovative and popular models that Denoma introduced.
 
Which of the following, if true, does most to explain the apparently surprising result?
 

选项:

A、Because of the need to educate the public about its new models' capabilities, Denoma's advertising spending was higher than normal over the period.
B、For the period at issue, Denoma's major competitors reported declines in revenue that were, in percentage terms, greater than Denoma's.
C、A significant proportion of Denoma's revenue comes from making components for other consumer-electronics manufacturers.
D、Unlike some of its major competitors, Denoma has no lines of business outside consumer electronics to provide revenue when retail sales of consumer electronics are weak.
E、During the period, consumer-electronics retailers sold remaining units of Denoma's superseded models at prices that were deeply discounted from those models' original prices.

答案:

C
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[Reading Comprehension]

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文章：

    In Winters v. United States (1908), the Supreme Court held that the right to use waters flowing through or adjacent to the Fort Berthold Indian Reservation was reserved to American Indians by the treaty establishing the reservation. Although this treaty did not mention water rights, the Court ruled that the federal government, when it created thereservation, intended to deal fairly with American Indians by preserving for them the waters without which their lands would have been useless. Later decisions, citing Winters, established that courts can find federal rights to reserve water for particular purposes if (1) the land in question lies within an enclave under exclusive federal jurisdiction, (2) the land has been formally withdrawn from federal public lands — i.e., withdrawn from the stock of federal lands available for private use under federal land use laws — and set aside or reserved, and (3) the circumstances reveal the government intended to reserve water as well as land when establishing the reservation.

    Some American Indian tribes have also established water rights through the courts based on their traditional diversion and use of certain waters prior to the United States' acquisition of sovereignty. For example, the Rio Grande pueblos already existed when the United States acquired sovereignty over New Mexico in 1848. Although they at that time became part of the United States, the pueblo lands never formally constituted a part of federal public lands; in any event, no treaty, statute, or executive order has ever designated or withdrawn the pueblos from public lands as American Indian reservations. This fact, however, has not barred application of the Winters doctrine. What constitutes an American Indian reservation is a question of practice, not of legal definition, and the pueblos have always been treated as reservations by the United States. This pragmatic approach is buttressed by Arizona v. California (1963), wherein the Supreme Court indicated that the manner in which any type of federal reservation is created does not affect the application to it of the Winters doctrine. Therefore, the reserved water rights of Pueblo Indians have priority over other citizens' water rights as of 1848, the year in which pueblos must be considered to have become reservations.

题目：

According to the passage, which of the following was true of the treaty establishing the Fort Berthold Indian Reservation?

选项:

A、It was challenged in the Supreme Court a number of times.
B、It was rescinded by the federal government, an action that gave rise to the Winters case.
C、It cited American Indians' traditional use of the land's resources.
D、It failed to mention water rights to be enjoyed by the reservation's inhabitants.
E、It was modified by the Supreme Court in Arizona v. California.

答案:

D
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题目：

Ryūnosuke Akutagawa's knowledge of the literatures of Europe, China, and that of Japan were instrumental in his development as a writer, informing his literary style as much as the content of his fiction.

选项:

A、that of Japan were instrumental in his development as a writer, informing his literary style as much as
B、that of Japan was instrumental in his development as a writer, and it informed both his literary style as well as
C、Japan was instrumental in his development as a writer, informing both his literary style and
D、Japan was instrumental in his development as a writer, as it informed his literary style as much as
E、Japan were instrumental in his development as a writer, informing both his literary style in addition to

答案:

C
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[Reading Comprehension]

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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 primary purpose of the passage is to

选项:

A、compare the economic role played by southern banks with the economic role played by banks in the rest of the United States during the late eighteenth and early nineteenth centuries
B、reevaluate a conventional interpretation of the role played by banks in the American economy during the late eighteenth and early nineteenth centuries
C、present different interpretations of the role played by banks in the American economy during the late eighteenth and early nineteenth centuries
D、analyze how the increasing number of banks in the late eighteenth and early nineteenth centuries affected the American economy
E、examine how scholarly opinion regarding the role played by banks in the American economy during the late eighteenth and early nineteenth centuries has changed over time

答案:

C
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题目：

Air traffic routes over the North Pole are currently used by only two or three planes a day, but it was found by a joint Canadian–Russian study to be both feasible as well as desirable if those routes are opened to thousands more commercial planes a year.

选项:

答案:

D
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题目：

His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.

选项:

A、in which great ice sheets had existed in now currently temperate areasin which great ice sheets existed in what are now temperate areas
B、when great ice sheets existed where there were areas now temperate
C、when great ice sheets had existed in current temperate areas
D、when great ice sheets existed in areas now that are temperate

答案:

B
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[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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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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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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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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[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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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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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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Analytical!
请问may老师，这题该用什么思路来做？
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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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