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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：

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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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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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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If x > 0, then 1/[√(2x)+√x] =V
If x > 0, then 1/[√(2x)+√x] = 1/√(3x) 1/[2√(2x)] 1/(x√2) (√2-1)/√x (1+√2)/√x 以前的解析,录音没有声音.不太清楚是怎么具体一步步得出D选项的答案的. 麻烦老师指导.谢谢.
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If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land heads up on the first 3 flips and not on the last 2 flips?
62、老师，求最大值，为什么不直接用0.019/0.021呢？ 【 Lendsy】PS：x是0.1x的百分位的数，y为0.02y的千分位的数，问0.01x/0.02y最大的值接近于下列哪个选项。A6 B7 C8 D9 E10 参考答案： 0.11/0.029<0.01x/0.02y<0.19/0.021→最大值接近9 0.19/0.021=190/21<190/20=9.5 所以答案为9 78、【Deeplus】DS题：一个数列 A(n-2)=An*A(n-1) ;A1=x,A2=y,问A9=？（这个问A几来着..不太记得了...） （1）xy=某数（记不清了？） （2）（...真不记得了...） 参考答案： A(n-2)=An*A(n-1) ;A1=x,A2=y,问A9=？ A1=A3*A2--------A3=A1/A2 A2=A4*A3--------A4=A2/A3 ...... 这样一步步推下来 A9=X^10/Y^18....我这样一个个推的。。。 条件1：xy＝sth。。。不充分 89、为什么完全想象不出来呢，老师？ V1【kendeng】数学我个人感觉很简单，个人（51,15）晕菜， 考了一个我无法看懂的分数， 除了一道题，折纸题目，折成两个金字塔，问有多少面，和多少边， 我选的是20， 那个折纸的题目图形很难画。 V2【mythsecret】说给你一张上图形状的纸，图形是8个等腰三角形拼在一起，上面有虚线实线，说按虚线折起来是一个立体形状，这个形状由两个金字塔组成，两个金字塔共一个底，问你这个形状的面的个数和棱的个数加起来=多少？答案有10、18、20.....答案貌似是20吧。8+12=20。 参考答案： Lz大概能够想到图形，但是不会画 - -！ 8个面+12个边=20 142、是选E吗，老师？ 【remitt】DS题。一种罐头是right cylinder，高5 inches。一个盒子volume是12cubic feet.问一个盒子能装几个罐头。1：盒子一边长2 feet。 2,罐头底面直径3inches。我选E 参考答案： 1 feet =12 inch 单独肯定不行，不解释了。 （1&2）2可以确定罐头的形状和大小，但是1不能确定盒子的形状，所以不充分。举个极端的例子，盒子的高是2feet，底面的宽只有1 inch，特别细长，就一个也装不进去了。 147. V2【grenoble123】30个人，说french，说spanish，或者两者都说，问如果随机抽一个人会说法语，能不能得到他也说西班牙语的概率 　a) 两者都说8人 　b)　说西班牙语20人 150、 【ieis】上来的第一道题目，I=750w/h^2，已知I和h，这里h是6feet，要换成inch（1f=12in貌似）来算，记得换单位就好。 参考答案： 看着是个简单题，记得单位换算啊~小心那个平方。 192、 V1【specta】m,n positive int, is n divisible by 3? 1) n=m^2(2m+1) 2) n=m(m^2+1) or something similar, others please help complete this。bottom line: 这题大家得好好研究一下，我算了好半天。 V2【万智言】一道是(m+2)(m^2)和(m^2+2)m能否被3整除什么 262、对解答不够明确，老师~~是不是解答有误啊这题~~ 【小清新的齐刘海】还有一题是根号4410等于k根号m，问，如果根号4410等于k0根号m0，least possible of m0 解答：没太理解题意…… 感谢Lydiaxtt补充：“我在想262是不是问最小的m可以是多少类？如果是这样的话那么最小的m0就是1，根号里的K0就是4410”
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A department manager distributed a number of pens, pencils,
and pads among the staff in the department, with each staff
member receiving x pens, y pencils, and z pads. How many
staff members were in the department?
(1)    The numbers of pens, pencils, and pads
that each staff member received were in
the retio 2:3:4, respectively.
(2)    The manager distributed a total of
18 pens, 27 pencils, and 36 pads.
选了C
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it can be inferred from the passage that the research mentioned in the highlighted text supports which of the following statements ?
错选了A
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In Kantovia, physicians' income comes from insurance companies, which require physicians to document their decisions in treating patients and to justify deviations from the companies' treatment guidelines. Ten years ago physicians were allowed more discretion. Most physicians believe that the companies' requirements now prevent them from spending enough time with patients. Yet the average amount of  time a patient spends with a physician during an office visit has actually increased somewhat over the last ten years.
 
Which of the following, if true, most helps to resolve the apparent discrepancy between physicians' perceptions and the change in the actual time spent?
老师帮比下A和B 谢谢
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Books in European libraries last longer than books in libraries in the United States because, although the climate in Europe is fairly humid, libraries there are not subjected to the extremes of temperature and humidity that damage collections in the United States.
A,B比较。
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As a large corporation in a small country, Hachnut wants its managers to have international experience, so each year it sponsors management education abroad for its management trainees.  Hachnut has found, however, that the attrition rate of graduates from this program is very high, with many of them leaving Hachnut to join competing firms soon after completing the program.  Hachnut does use performance during the program as a criterion in deciding among candidates for management positions, but both this function and the goal of providing international experience could be achieved in other ways.  Therefore, if the attrition problem cannot be successfully addressed, Hachnut should discontinue the sponsorship program.
 
In the argument given, the two boldfaced portions play which of the following roles?
留下了CD怎么比较？ 我不会比较policy和practice的区别，就避开了这一点。接着去比较 cannot achieve its objective 和not needed这两点。 看到原文 第二句中有could be achieved in other ways 就选了C。请问我的思路错在哪里了？
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Which of the following best states the function of the passage as a whole?
A/C如何比？
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Lyme disease is caused by a bacterium transmitted to humans by deer ticks.  Generally deer ticks pick up the bacterium while in the larval stage from feeding on infected white-footed mice.  However, certain other species on which the larvae feed do not harbor the bacterium.  Therefore, if the population of these other species were increased, the number of ticks acquiring the bacterium―and hence the number of people contracting Lyme disease—would likely decline.
 
Which of the following, if true, most strengthens the argument?癮
CR
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Which of the following can be inferred about supplier partnerships, as they are described in the passage?
B/D如何比？
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