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题目：

Archaeologists in Michigan have excavated a Native American camp near Dumaw Creek.  Radiocarbon dating of animal bones found at the site indicates that the camp dates from some time between 1605 and 1755.  However, the camp probably dates to no later than 1630, since no European trade goods were found at the site, and European traders were active in the region from the 1620's onward.
 
Which of the following, if true, most strengthens the argument?

选项:

A、Due to trade among Native Americans, some European trade goods would have reached the area before the European traders themselves did.
B、At all camps in the region that have been reliably dated to the late 1620's, remains of European trade goods have been found.
C、The first European trade goods to reach the area would have been considered especially valuable and preserved as much as possible from loss or destruction.
D、The first European traders in the area followed soon after the first European explorers.
E、The site is that of a temporary camp that would have been used seasonally for a few years and then abandoned.

答案:

B
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题目：

About 5 million acres in the United States have been invaded by leafy spurge, a herbaceous plant from Eurasia with milky sap that gives mouth sores to cattle, displacing grasses and other cattle food and rendering rangeland worthless.

选项:

A、States have been invaded by leafy spurge, a herbaceous plant from Eurasia with milky sap that gives mouth sores to cattle, displacing grasses and other cattle food and rendering
B、States have been invaded by leafy spurge, a herbaceous plant from Eurasia, with milky sap, that gives mouth sores to cattle and displaces grasses and other cattle food, rendering
C、States have been invaded by leafy spurge, a herbaceous plant from Eurasia having milky sap that gives mouth sores to cattle and displacing grasses and other cattle food, rendering
D、States, having been invaded by leafy spurge, a herbaceous plant from Eurasia with milky sap that gives mouth sores to cattle, displaces grasses and other cattle food, and renders
E、States, having been invaded by leafy spurge, a herbaceous plant from Eurasia that has milky sap giving mouth sores to cattle and displacing grasses and other cattle food, rendering

答案:

B
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题目：

In the early part of the twentieth century, many vacationers found that driving automobiles and sleeping in tents allowed them to enjoy nature close at hand and tour at their own pace, with none of the restrictions of passenger trains and railroad timetables or with the formalities, expenses, and impersonality of hotels.

选项:

A、with none of the restrictions of passenger trains and railroad timetables or with the
B、with none of the restrictions of passenger trains, railroad timetables, nor
C、without the restrictions of passenger trains and railroad timetables nor
D、without the restrictions of passenger trains and railroad timetables or with the
E、without the restrictions of passenger trains and railroad timetables or the

答案:

E
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题目：

She was less successful after she had emigrated to New York compared to her native Germany, photographer Lotte Jacobi nevertheless earned a small group of discerning admirers, and her photographs were eventually exhibited in prestigious galleries across the United States.

选项:

A、She was less successful after she had emigrated to New York compared toBeing less successful after she had emigrated to New York as compared to
B、Less successful after she emigrated to New York than she had been in
C、Although she was less successful after emigrating to New York when compared to
D、She had been less successful after emigrating to New York than in

答案:

C
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Journalist:  Well-known businessman Arnold Bergeron has long been popular in the state, and he has often talked about running for governor, but he has never run.  However, we have just learned that Bergeron has fulfilled the financial disclosure requirement for candidacy by submitting a detailed list of his current financial holdings to the election commission.  So, it is very likely that Bergeron will be a candidate for governor this year.
 
The answer to which of the following questions would be most useful in evaluating the journalist's argument?

选项:

A、Has anybody else who has fulfilled the financial disclosure requirement for the upcoming election reported greater financial holdings than Bergeron?
B、Is submitting a list of holdings the only way to fulfill the election commission's financial disclosure requirements?
C、Did the information recently obtained by the journalists come directly from the election commission?
D、Have Bergeron's financial holdings increased in value in recent years?
E、Had Bergeron also fulfilled the financial disclosure requirements for candidacy before any previous gubernatorial elections?

答案:

E
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题目：

Trans World Entertainment Corporation, which owns the Record Town and Saturday Matinee retail chains, announced that since sales of up to one-fourth of its stores are poor, they will be closed.

选项:

A、that since sales of up to one-fourth of its stores are poor, they will be closed.
B、it is closing up to one-fourth of its stores, which accounted for its poor sales
C、it was closing up to one fourth of its stores because of poor sales.
D、to be closing, on account of poor sales, up to one-fourth of its stores.
E、having poor sales, such that up to one-fourth of its stores will be closed.

答案:

C
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The Quechuans believed that all things participated in both the material level and the mystical level of reality, and many individual Quechuans claimed to have contact with it directly with an ichana (dream) experience.

选项:

A、contact with it directly with
B、direct contact with it by way of
C、contact with the last directly through
D、direct contact with the latter by means of
E、contact directly with the mystical level due to

答案:

D
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In Patton City, days are categorized as having heavy rainfall (more than two inches), moderate rainfall (more than one inch, but no more than two inches), light rainfall (at least a trace, but no more than one inch), or no rainfall.  In 1990, there were fewer days with light rainfall than in 1910 and fewer with moderate rainfall, yet total rainfall for the year was 20 percent higher in 1990 than in 1910.
 
If the statements above are true, then it is also possible that in Patton City

选项:

A、the number of days with heavy rainfall was lower in 1990 than in 1910
B、the number of days with some rainfall, but no more than two inches, was the same in 1990 as in 1910
C、the number of days with some rainfall, but no more than two inches, was higher in 1990 than in 1910
D、the total number of inches of rain that fell on days with moderate rainfall in 1990 was more than twice what it had been in 1910
E、the average amount of rainfall per month was lower in 1990 than in 1910

答案:

A
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题目：

Thelonious Monk, who was a jazz pianist and composer, produced a body of work both rooted in the stride-piano tradition of Willie (The Lion) Smith and Duke Ellington, yet in many ways he stood apart from the mainstream jazz repertory.

选项:

A、Thelonious Monk, who was a jazz pianist and composer, produced a body of work both rooted
B、Thelonious Monk, the jazz pianist and composer, produced a body of work that was rooted both
C、Jazz pianist and composer Thelonious Monk, who produced a body of work rooted
D、Jazz pianist and composer Thelonious Monk produced a body of work that was rooted
E、Jazz pianist and composer Thelonious Monk produced a body of work rooted both

答案:

D
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题目：

Polio, although it is eradicated in the United States, it continues elsewhere and is able to be brought into the country by visitors.

选项:

A、 Polio, although it is eradicated in the United States, it continues elsewhere and is able to be
B、 Polio, although eradicated in the United States, it still continues elsewhere and can be
C、 Although still continuing elsewhere, polio has been eradicated in the United States and could be
D、 Although having been eradicated in the United States, polio still continues elsewhere and is capable of being
E、 Although eradicated in the United States, polio continues elsewhere and could be

答案:

E
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[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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[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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[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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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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Analytical!
请问老师，这道题为什么second part是”evidence”? 还有、不确定First part到底是background info还是premise?
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