问答

29答疑

[Sentence Correction]

登录查看答疑

试题详情

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
25答疑

[Sentence Correction]

登录查看答疑

试题详情

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
24答疑

[Sentence Correction]

登录查看答疑

试题详情

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
23答疑

[Sentence Correction]

登录查看答疑

试题详情

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
20答疑

[Problem Solving]

登录查看答疑

试题详情

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
18答疑

[Sentence Correction]

登录查看答疑

试题详情

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
18答疑

[Critical Reasoning]

登录查看答疑

试题详情

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
18答疑

[Sentence Correction]

登录查看答疑

试题详情

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
18答疑

[Sentence Correction]

登录查看答疑

试题详情

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
18答疑

[Sentence Correction]

登录查看答疑

试题详情

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
0评分
987浏览

[Undefined]

登录查看答疑
The concept of the grand jury dates from the twelfth century, when Henry II of England ordered panels of common citizens should prepare lists of who were their communities' suspected criminals
请问金老师，请问这道题A为什么不对呢？
0评分
1615浏览

[Undefined]

登录查看答疑
If x and y are different prime numbers, each greater than 2, which of the following must betrue?
I 
II x - y is an even integer.
III is not an integer.
老师，这里没有说x＞y，为什么第二个一定对？存在x-y是负数的情况么？这样不就不是偶数了？奇偶不是只有在正数的情况下才谈么？
0评分
2040浏览

[Undefined]

登录查看答疑
If x is positive, which of the following could be the correct ordering of 2x, and x2 ?
请问小梅老师，这类比较函数大小的问题有什么做法是能比较快速做出的吗？
0评分
985568浏览

[Undefined]

登录查看答疑
Analytical!
How many 3-letter codes can be formed by choosing, without replacement, 3 letters from the word “Banana”?想请问陆旭老师这道题用box method怎么解？
0评分
1364浏览

[OG19]

登录查看答疑
How many members of a certain legislature voted against the measure to raise their salaries?
  1. of the members of the legislature did not vote on the measure.
  2. If 5 additional members of the legislature had voted against the measure, then the fraction of members of the legislature voting against the measure would have been .
这道题(2)中有额外的5个人vote了，这里我如何判断这5个人是新加入的members还是原来没vote的members现在vote了（也就是说第二种情况总体members的数量没变）？因为如果是第一种情况，那就选E；但如果是第二种情况的话，就可以根据(1)(2)算出总人数，选C
0评分
1019浏览

[OG19]

登录查看答疑
What is the largest integer n such that ?
这里我把(1/2)^n写成2^-n, 然后0.01写成10^-2=2^-2*5^-5, 然后该怎么化简呢
0评分
1157浏览

[OG19]

登录查看答疑
A small school has three foreign language classes, one in French, one in Spanish, and one in German. How many of the 34 students enrolled in the Spanish class are also enrolled in the French class?
  1. There are 27 students enrolled in the French class, and 49 students enrolled in either the French class, the Spanish class, or both of these classes.
  2. One-half of the students enrolled in the Spanish class are enrolled in more than one foreign language class.
已知T(F∪S∪G)=T(F)+T(S)+T(G)-T(F∩S)-T(F∩G)-T(S∩G)+T(F∩S∩G)=34, (1): T(F)=27, T(F)+T(S)+T(F∪S)=49,根据这两个条件是如何判断出T(F∩S)是多少的
0评分
1090浏览

[OG19]

登录查看答疑
Stations X and Y are connected by two separate, straight, parallel rail lines that are 250 miles long. Train P and train Q simultaneously left Station X and Station Y, respectively, and each train traveled to the other's point of departure. The two trains passed each other after traveling for 2 hours. When the two trains passed, which train was nearer to its destination?
  1. At the time when the two trains passed, train P had averaged a speed of 70 miles per hour.
  2. Train Q averaged a speed of 55 miles per hour for the entire trip.
为什么不选C呢，只知道P已经走了多少距离也无法判断P和Q谁距离目的地更近呀
0评分
1097浏览

[OG19]

登录查看答疑
If d = 2.0453 and d * is the decimal obtained by rounding d to the nearest hundredth, what is the value of d * − d ?
这里d*是否等于2.045呢，如果不是，我该怎么理解这里d*的意思
点我领取
免费专项课程
 在线咨询