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题目：

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

选项:

A、On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow
B、On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth
C、On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles
D、Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate
E、Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

答案:

E
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题目：

According to recent studies comparing the nutritional value of meat from wild animals and meat from domesticated animals, wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is good for cardiac health.

选项:

A、wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is
B、wild animals have less total fat than livestock fed on grain and more of a kind of fat thought to be
C、wild animals have less total fat than that of livestock fed on grain and have more fat of a kind thought to be
D、total fat of wild animals is less than livestock fed on grain and they have more fat of a kind thought to be
E、total fat is less in wild animals than that of livestock fed on grain and more of their fat is of a kind they think is

答案:

B
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题目：

Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two.

选项:

A、one arm is lost it quickly replaces it, sometimes by the animal overcompensating and
B、one arm is lost it is quickly replaced, with the animal sometimes overcompensating and
C、they lose one arm they quickly replace it, sometimes by the animal overcompensating,
D、they lose one arm they are quickly replaced, with the animal sometimes overcompensating,
E、they lose one arm it is quickly replaced, sometimes with the animal overcompensating,

答案:

B
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题目：

Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.

选项:

A、Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
B、An executive who is heavily committed to a course of action, especially one that worked well in the past, makes missing signs of incipient trouble or misinterpreting ones likely when they do appear.
C、An executive who is heavily committed to a course of action is likely to miss or misinterpret signs of incipient trouble when they do appear, especially if it has worked well in the past.
D、Executives' being heavily committed to a course of action, especially if it has worked well in the past, makes them likely to miss signs of incipient trouble or misinterpreting them when they do appear.
E、Being heavily committed to a course of action, especially one that has worked well in the past, is likely to make an executive miss signs of incipient trouble or misinterpret them when they do appear.

答案:

E
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[Problem Solving]

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题目：

The charge for a single room at Hotel P  is 25 percent less than the charge for a single room at Hotel R  and 10 percent less than the charge for a single room at Hotel G . The charge for a single room at Hotel R  is what percent greater than the charge for a single room at Hotel G  ?

选项:

A、15%
B、20%
C、40%
D、50%
E、150%

答案:

B
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题目：

For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle.

选项:

A、each a roof of poles and arrowweed
B、each a roof of poles and arrowweed that are being
C、with each being a roof of poles and arrowweed
D、with roofs of poles and arrowweed to be
E、with roofs of poles and arrowweed that are

答案:

A
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题目：

Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.

选项:

A、Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.
B、Although named for the New Mexico site where first discovered in 1932, Clovis points are spear points of longitudinal grooves chipped onto their faces and have been found all over North America.
C、Named for the New Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North America.
D、Spear points with longitudinal grooves that are chipped onto the faces, Clovis points, even though named for the New Mexico site where first discovered in 1932, but were found all over North America.
E、While Clovis points are spear points whose faces have longitudinal grooves chipped into them, they have been found all over North America, and named for the New Mexico site where they have been first discovered in 1932.

答案:

A
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题目：

The remarkable similarity of Thule artifacts throughout a vast region can, in part, be explained as a very rapid movement of people from one end of North America to the other.

选项:

A、The remarkable similarity of Thule artifacts throughout a vast region can, in part, be explained as
B、Thule artifacts being remarkably similar throughout a vast region, one explanation is
C、That Thule artifacts are remarkably similar throughout a vast region is, in part, explainable as
D、One explanation for the remarkable similarity of Thule artifacts throughout a vast region is that there was
E、Throughout a vast region Thule artifacts are remarkably similar, with one explanation for this being

答案:

D
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题目：

A ruined structure found at Aqaba, Jordan, was probably a church, as indicated in its eastward orientation and by its overall plan, as well as artifacts, such as glass oil-lamp fragments, found at the site.

选项:

A、A ruined structure found at Aqaba, Jordan, was probably a church, as indicated in its eastward orientation and by its overall plan, as well as
B、A ruined structure found at Aqaba, Jordan, once probably being a church, was indicated by its eastward orientation, overall plan, and
C、Indicating that a ruined structure found at Aqaba, Jordan, was probably a church were its eastward orientation and overall plan, but also the
D、A ruined structure found at Aqaba, Jordan, was probably a church, as indicates its eastward orientation and overall plan, as well as the
E、That a ruined structure found at Aqaba, Jordan, was probably a church is indicated by its eastward orientation and overall plan, as well as by the

答案:

E
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[Critical Reasoning]

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题目：

In the year following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent.  In contrast, in the year prior to the tax increase, sales had fallen one percent.  The volume of cigarette sales is therefore strongly related to the after-tax price of a pack of cigarettes.
 
The argument above requires which of following assumptions?

选项:

A、During the year following the tax increase, the pretax price of a pack of cigarettes did not increase by as much as it had during the year prior to the tax increase.
B、The one percent fall in cigarette sales in the year prior to tax increase was due to a smaller tax increase.
C、The pretax price of a pack of cigarettes gradually decreased throughout the year before and the year after the tax increase.
D、For the year following the tax increase, the pretax price of a pack of cigarettes was not eight or more cents lower than it had been the previous year.
E、As the after-tax price of a pack of cigarettes rises, the pretax price also rises.

答案:

D
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[Undefined]

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If the sides x of the rectangle below are increased by 3 units, what was the original area?


(1) The resulting area is 20.
(2) The resulting figure is a square. 
答案是C。（2）是什么意思呢？我感觉应该选E。 谢谢
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1763浏览

[Undefined]

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If x, y ≠ 0, is xy an integer?
(1) x is prime.
(2) y is even. 
我选的C。 prime肯定是integer, 偶数肯定是integer, 乘一起为什么不能判断了呢？谢谢
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2995浏览

[GWD]

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According to the passage, which of the following was true of the treaty establishing the Fort Berthold Indian Reservation?
Yellow jackets number among the 900 or so species of the world’s social wasps, wasps living in a highly cooperative and organized society where they consist almost entirely of females—the queen and her sterile female workers. (A) wasps living in a highly cooperative and organized society where they consist almost entirely of (B) wasps that live in a highly cooperative and organized society consisting almost entirely of (C) which means they live in a highly cooperative and organized society, almost all (D) which means that their society is highly cooperative, organized, and it is almost entirely (E) living in a society that is highly cooperative, organized, and it consistsof almost all 老师，我想问一下 D选项如果去掉it is可以吗？C选项中的which是因为不能指代整句话错了吗？
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1028浏览

[Undefined]

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Is the negative number x less than –1?
(1) 1x < 12
(2) 1x2 < 12 
我选了E。。应该是B。 我觉得第二个如果X是-0.5 不是也行么。这种题干没有说X是不是integer的题，就当做它有可能是有可能不是吧？
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2025浏览

[Undefined]

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What is the volume of a given cube?

(1) The ratio of an edge of the cube and the greatest distance between two points on the cube is

(2) The length of the diagonal across a face of the cube is 2.
答案是B。我选了D。 1虽然没写全，但是感觉知道了ratio就可以算出来一个边？毕竟对角线是两次勾股定理完成的？
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844浏览

[Undefined]

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What is the value of p3 + 2p?
(1) p2 − 5p + 4 = 0.
(2) The value of p2 + 1p is –2.
答案是B，我选了E。我认真算了感觉1,2都推不出来。1是p有两个值，不行。2是怎样用p^2+1=-2来推出P^3+2P？ 谢谢，可能卡住了
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955浏览

[Undefined]

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The symbol Θ denotes one of the operations: addition, subtraction, multiplication, or division. What is the value of ?
(1) 1Θ1 = 1
(2) 0Θ0 = 0
这道题有经验的老师或者同学知不知道问号后面会问什么呢？ 因为没见过这样的题，想试试。。。谢谢，如果没有直接掠过吧
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660浏览

[Undefined]

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Let ∇ denote a mathematical operation. Is it true that x∇y = y∇x for all x and y?
(1) x∇y = 1x + 1y
(2) x∇y = x − y
我选了A，应该是D，倒三角和符号之间是互换的吗？有些没明白，谢谢讲解
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1448浏览

[Undefined]

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S is a set of integers such that
I) If x is in S, then –x is in S.
II) If both x and y are in S, then so is x + y.
Is –2 in S?
 (1) 1 is in S.
(2) 0 is in S.
 
这道题1和0假设成X,Y吗？有些模糊，感觉莫能两可的赋值，谢谢。答案是A，我选了E
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2243浏览

[Undefined]

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 If  is an integer, what is the value of a?
(1) 14 < 1a < 23
(2) The integer a is odd. 
答案是C，我选了A。 我觉得a可以是25, 625。 于是就有两个值了。所以我选了A。。。我觉得第一个a只有16. 为什么不充足呢？ 谢谢
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