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题目：

The Anasazi settlements at Chaco Canyon were built on a spectacular scale with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.

选项:

A、with more than 75 carefully engineered structures, of up to 600 rooms each, were
B、with more than 75 carefully engineered structures, of up to 600 rooms each,
C、of more than 75 carefully engineered structures of up to 600 rooms, each that had been
D、of more than 75 carefully engineered structures of up to 600 rooms and with each
E、of more than 75 carefully engineered structures of up to 600 rooms, each had been

答案:

B
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题目：

A professor at the university has taken a sabbatical to research on James Baldwin’s books that Baldwin wrote in France while he was living there.

选项:

A、on James Baldwin’s books that Baldwin wrote in France while he was living there
B、about the books James Baldwin wrote in France
C、into James Baldwin’s books written while in France
D、on the books of James Baldwin, written while he lived in France
E、the books James Baldwin wrote while he lived in France

答案:

E
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题目：

In addition to her work on the Miocene hominid fossil record, Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of East African cave paintings.

选项:

A、 Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of
B、 Mary Leakey contributed to archaeology by her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
C、 Mary Leakey was a contributor to archaeology by discovering the earliest direct evidence of hominid activity and with her painstaking documentation of
D、 Mary Leakey's contributions to archaeology include her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
E、 Mary Leakey's contributions to archaeology include her discovering the earliest direct evidence of hominid activity and painstaking documentation of

答案:

A
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题目：

Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives, capitalized on her keen observation and love of the natural world.

选项:

A、Beatrix Potter, in her book illustrations, carefully coordinating them with her narratives,
B、In her book illustrations, carefully coordinating them with her narratives, Beatrix Potter
C、In her book illustrations, which she carefully coordinated with her narratives, Beatrix Potter
D、Carefully coordinated with her narratives, Beatrix Potter, in her book illustrations
E、Beatrix Potter, in her book illustrations, carefully coordinated them with her narratives and

答案:

C
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题目：

Last year a global disturbance of weather patterns disrupted harvests in many of the world’s important agricultural areas. Worldwide production of soybeans, an important source of protein for people and livestock alike, was not adversely affected, however. Indeed, last year’s soybean crop was actually slightly larger than average. Nevertheless, the weather phenomenon is probably responsible for a recent increase in the world price of soybeans.

Which of the following, if true, provides the strongest justification for the attribution of the increase in soybean prices to the weather phenomenon?

选项:

A、Last year’s harvest of anchovies, which provide an important protein source for livestock, was disrupted by the effects of the weather phenomenon.
B、Most countries that produce soybeans for export had above-average harvests of a number of food crops other than soybeans last year.
C、The world price of soybeans also rose several years ago, immediately after an earlier occurrence of a similar global weather disturbance.
D、Heavy rains attributable to the weather phenomenon improved grazing pastures last year, allowing farmers in many parts of the world to reduce their dependence on supplemental feed.
E、Prior to last year, soybean prices had been falling for several years.

答案:

A
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题目：

Over 75 percent of the energy produced in France derives from nuclear power, while in Germany it is just over 33 percent.

选项:

A、while in Germany it is just over 33 percent
B、compared to Germany, which uses just over 33 percent
C、whereas nuclear power accounts for just over 33 percent of the energy produced in Germany
D、whereas just over 33 percent of the energy comes from nuclear power in Germany
E、compared with the energy from nuclear power in Germany, where it is just over 33 percent

答案:

C
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题目：

Unlike many United States cities, where a river is no longer the focal point of urban life, the river in San Antonio winds through the middle of the business district, and the River Walk, or Paseo del Rio, is the city's most popular attraction.

选项:

A、Unlike many United States cities, where a river is no longer the focal point of urban life, the river in San Antonio
B、Unlike the river in many cities in the United States, which is no longer the focal point of urban life, in San Antonio the river
C、Today the river in many cities in the United States is no longer the focal point of urban life, unlike San Antonio, where it
D、In few United States cities today, a river is the focal point of urban life, but the river in San Antonio
E、 No longer do many cities in the United States have a river as the focal point of urban life, but in San Antonio the river

答案:

E
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题目：

For the first time in the modern era, non-Hispanic Whites are officially a minority in California, which amounts to a little less than half the population of the state, down from nearly three-quarters only a decade ago.

选项:

A、which amounts to a little less than half the population of the state, down from nearly three-quarters only a decade ago
B、which amounts to a little less than half the population of the state, down from a decade ago, when it was nearly three-quarters
C、and that amounts to a little less than half the population of the state, down from a decade ago, when they were nearly three-quarters
D、amounting to a little less than half the population of the state, down from nearly three-quarters a decade ago
E、amounting to a little less than half the population of the state, down from what it was a decade ago by nearly three-quarters

答案:

D
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题目：

Turning away from literary realism to write romantic stories about the peasant life and landscape of northern Sweden, in 1909 Selma Lagerlof was the novelist who became the first woman and was also the first Swedish writer to win the Nobel Prize for Literature.

选项:

A、Turning away from literary realism to write romantic stories about the peasant life and landscape of northern Sweden, in 1909 Selma Lagerlof was the novelist who became the first woman and was also the first Swedish writer to win
B、She turned away from literary realism and wrote romantic stories about the peasant life and landscape of northern Sweden, and novelist Selma Lagerlof in 1909 became the first woman as well as the first Swedish writer that won
C、Selma Lagerlof was a novelist who turned away from literary realism to write romantic stories about the peasant life and landscape of northern Sweden, and in 1909 she became the first woman in addition to the first Swedish writer winning
D、A novelist who turned away from literary realism to write romantic stories about the peasant life and landscape of northern Sweden, Selma Lagerlof became in 1909 the first woman and also the first Swedish writer to win
E、As a novelist, Selma Lagerlof turned away from literary realism and wrote romantic stories about the peasant life and landscape of northern Sweden, in 1909 becoming the first woman and also the first Swedish writer that won

答案:

D
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题目：

Even though it was not illegal for the bank to share its customers' personal and financial information with an outside marketing company in return for a commission on sales, the state's attorney general accused the bank of engaging in deceptive business practices by failing to honor its promise to its customers to keep records private.

选项:

A、 by failing to honor its promise to its customers to keep
B、 by its failure of honoring its promise to its customers to keep
C、 in its failing to honor its promise to its customers of keeping
D、 because of its failure in honoring its promise to its customers in keeping
E、 because of its failure to honor its promise to its customers of keeping

答案:

A
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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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[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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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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[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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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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