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题目：

In April 1997, Hillary Rodham Clinton hosted an all-day White House scientific conference on new findings that indicates a child's acquiring language, thinking, and emotional skills as an active process that may be largely completed before age three.

选项:

A、that indicates a child's acquiring language, thinking, and emotional skills as
B、that are indicative of a child acquiring language, thinking, and emotional skills as
C、to indicate that when a child acquires language, thinking, and emotional skills, that it is
D、indicating that a child's acquisition of language, thinking, and emotional skills is
E、indicative of a child's acquisition of language, thinking, and emotional skills as

答案:

D
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题目：

Because of wireless service costs plummeting in the last year and as mobile phones are increasingly common many people now using their mobile phones to make calls across a wide region at night and on weekends, when numerous wireless companies provide unlimited airtime for a relatively small monthly fee.

选项:

A、Because of wireless service costs plummeting in the last year, and as mobile phones are increasingly common, many people 
B、As the cost of wireless service plummeted in the last year and as mobile phones became increasingly common, many people 
C、In the last year, with the cost of wireless service plummeting, and mobile phones have become increasingly common, there are many people 
D、With the cost of wireless service plummeting in the last year and mobile phones becoming increasingly common, many people are 
E、While the cost of wireless service has plummeted in the last year and mobile phones are increasingly common, many people are

答案:

D
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题目：

A leading figure in the Scottish enlightenment, Adam Smith's two major books are to democratic capitalism what Marx's Das Kapital is to socialism.

选项:

A、Adam Smith's two major books are to democratic capitalism what
B、Adam Smith's two major books are to democratic capitalism like
C、Adam Smith's two major books are to democratic capitalism just as
D、Adam Smith wrote two major books that are to democratic capitalism similar to
E、Adam Smith wrote two major books that are to democratic capitalism what

答案:

E
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题目：

Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.

选项:

A、as a method of the extraction of minerals, it was well established
B、as a method of the extraction of minerals well established
C、was a well-established method of mineral extraction
D、was a well-established method of extracting mineral that was
E、had been a method of mineral extraction, well established

答案:

C
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In an effort to reduce the number of fires started by cigarettes, a major tobacco company is test-marketing a cigarette in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing the rate at which it burns and lowering the heat it generates.

选项:

A、in which thin layers of extra paper are used to decrease the amount of oxygen entering the cigarette, thereby slowing
B、in which they use thin layers of extra paper in decreasing the amount of oxygen entering the cigarette, which slows
C、that uses thin layers of extra paper to decrease the amount of oxygen when it enters the cigarette, thereby slowing
D、for which thin layers of extra paper are used to decrease the amount of oxygen that enters the cigarette, and thereby slowing
E、using thin layers of extra paper in decreasing the amount of oxygen entering the cigarette, which slows

答案:

A
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题目：

Guidebook writer: I have visited hotels throughout the country and have noticed that in those built before 1930 the quality of the original carpentry work is generally superior to that in hotels built afterward. Clearly carpenters working on hotels before 1930 typically worked with more skill, care, and effort than carpenters who have worked on hotels built subsequently.

Which of the following, if true, most seriously weakens the guidebook writer’s argument?

选项:

A、The quality of original carpentry in hotels is generally far superior to the quality of original carpentry in other structures, such as houses and stores.
B、Hotels built since 1930 can generally accommodate more guests than those built before 1930.
C、The materials available to carpenters working before 1930 were not significantly different in quality from the materials available to carpenters working after 1930.
D、The better the quality of original carpentry in a building, the less likely that building is to fall into disuse and be demolished.
E、The average length of apprenticeship for carpenters has declined significantly since 1930.

答案:

D
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题目：

Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also caused erosion and very quickly deforested whole regions.

选项:

A、Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also
B、Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast), which gave consumers relatively inexpensive houses and furniture, but also
C、The systematic clearing of forests in the United States, creating farmland (especially in the Northeast) and giving consumers relatively inexpensive houses and furniture, but also
D、The systematic clearing of forests in the United States created farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also
E、The systematic clearing of forests in the United States not only created farmland (especially in the Northeast), giving consumers relatively inexpensive houses and furniture, but it

答案:

D
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题目：

The use of lie detectors is based on the assumption that lying produces emotional reactions in an individual that, in turn, create unconscious physiological responses.

选项:

A、that, in turn, create unconscious physiological responses
B、that creates unconscious physiological responses in turn
C、creating, in turn, unconscious physiological responses
D、to create, in turn, physiological responses that are unconscious
E、who creates unconscious physiological responses in turn

答案:

A
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题目：

Combining enormous physical strength with higher intelligence, the Neanderthals appear as equipped for facing any obstacle the environment could put in their path, but their relatively sudden disappearance during the Paleolithic era indicates that an inability to adapt to some environmental change led to their extinction.

选项:

A、appear as equipped for facing any obstacle the environment could put in their path,
B、appear to have been equipped to face any obstacle the environment could put in their path,
C、appear as equipped to face any obstacle the environment could put in their paths,
D、appeared as equipped to face any obstacle the environment could put in their paths,
E、appeared to have been equipped for facing any obstacle the environment could put in their path,

答案:

B
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题目：

Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less, get better gas mileage, allow passengers to get in and out more easily, and have a smoother ride.

选项:

A、Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less,
B、Minivans, which carry as many as seven passengers, compared with most sport utility vehicles, they cost less,
C、Minivans carry as many as seven passengers, in comparison with most sport utility vehicles, and have a lower cost, they
D、Minivans, carrying as many as seven passengers, compared with most sport utility vehicles, cost less,
E、Minivans, which carry as many as seven passengers, compared with most sport utility vehicles the cost is lower, and they

答案:

A
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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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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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