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12月2日GRE考试真题回顾

2018-12-10 16:23 三立在线 admin

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摘要:数学部分 数学 1 2018/4/9 x<y且都是整数, 如果x+y是偶数,问下列哪些一定是偶数? A.xy B.x+y C.y-x D.x+y 数学 2 2018/4/9 有两个装有油的圆柱体,一个圆柱体的底盘面积4,内有油的高度是5; 另一个底盘面积10,内有油的高度是6。现在将油从第二个圆柱体往第一个倒,使这两个圆柱体最终油的高度都相同,问最终油的高度是多少? 数学 3 2018/4/9 70236

 数学部分

 

数学 1

2018/4/9

x<y且都是整数, 如果x²+y²是偶数,问下列哪些一定是偶数?

A.xy  B.x+y C.y-x D.x²+y

数学 2

2018/4/9

有两个装有油的圆柱体,一个圆柱体的底盘面积4π,内有油的高度是5; 另一个底盘面积10π,内有油的高度是6。现在将油从第二个圆柱体往第一个倒,使这两个圆柱体最终油的高度都相同,问最终油的高度是多少?

数学 3

2018/4/9

702368×96638在10几次方和几次方之间

数学 4

2018/4/9

在一个私人图书馆中biohraphy占paperback5%,3%是所有书中的paperback的biography的书的比例,问paperback占所有书的多少

数学 5

2018/4/9

ABCDE五个人,五个座位,A和B一定要坐第一个或者最后一个,问一共有多少坐法。

数学6

2018/4/9

n个人,平均分70。然后其中十个人每个人涨5分,问新的平均分和72的大小

数学 7

2018/4/9

2的32次方除以3的余数和1比大小

数学 8

2018/4/9

已知6个点在圆上,两点相连一共组成多少不同的线段,和15比大小

数学 9

2018/4/9

有8个数字,5个是奇数3个是偶数,在这8个数字中可组成多少3位数字,百位和十位是奇数,个位是偶数,数字不能重复使用

数学 10

2018/4/9

n(n2-1),n是正整数一定是下面哪个数字的倍数(不定项选择题)

A.2 B.3 C.4 D.5 E.6

数学 11

2018/4/9

一个工作,AB一起做4.5小时完成四分之三。A自己单独做剩下的工作需要6小时,问B自己单独做全部的工作需要多少时间。

数学12

2018/4/9

一个数字除以36余数是27,问这个数一定是谁的倍数。

A.6  B.7 C.8 D.9 E.10

数学 13

2018/4/9

有多少个小于25的正整数,满足条件:等于4的倍数与5的倍数之和。

数学 14

2018/4/9

(51!-50!)/(50!-49!)

数学 15

2018/4/9

定义:调和平均数指的是x的倒数和y的倒数的平均数的倒数。求10和20的调和平均数。

 

 

填空部分

 

填空 88-3

2018/4/9

Not only is the field of behavioral genetics strewn with (i)_____ findings, but even among those findings that managed to survive, many have turned out to be (ii)_____ a very restricted class of cases.

 

 

A. convergent

D. refuted by

B. disparate

E. germane to

C. repudiated

F. subordinate to

 

 

填空 68-8

2018/4/9

During the eighteenth century, improvements in their material circumstances did not necessarily mean expanded independence for women elite families and, arguably, the social conventions of gentility _____ more of their time and energy.

 

A. provided

 

B. justified

 

C. demanded

 

D. granted

 

E. exacted

 

F. rationalized

 

填空 18-8 

2018/4/9

In a field of egotists, Bloomfield is _____, often praising her competitors and punctuating her correspondence with self-deprecating remarks.

 

A. unassuming 

 

B. complimentary

 

C. acerbic

 

D. ingenuous

 

E. cutting

 

F. modest

填空 120-6

2018/4/9

Computers’ triumph in chess had been engineered not by creating machines that (i)_____ human thought, as most experts in artificial intelligence had expected, but by perfecting machines that played like machines. The analogy with flight is (ii)_____: as long as people tried to fly by imitating birds, attaching wings to their arms and flapping madly, they were (iii)_____ to fail. Once engineering escaped the paradigm of the familiar, however, people were soon flying much faster than birds.

 

 

A. aped

D. disingenuous

G. expected

B. shelved

E. instructive

H. likely

C. subverted

F. narrow

I. doomed

填空 17-5

2018/4/9

The building affairs minister rightly recognizes that the current planning system—under which the government controls every aspect of construction—creates disastrous developments, but she is wrong to propose the opposite: the wholesale (i)_____ of the building market. Such a complete (ii)_____ of responsibility on the part of the state can hardly be in the public’s interest.

 

A. liberalization

D. abnegation

B. preservation

E. recapitulation

C. regulation

F. accretion

填空 69-3

2018/4/9

Throughout much of the twentieth century, common scientific sense seemed to dictate that animals could not make a choice based on rational or aesthetic criteria. Such choices were (i)_____ the mental capacity of humans. Scientists who (ii)_____ this animal-human cognitive division were often accused of anthropomorphism. 

 

A. reserved for

D. accepted

B. inconsistent with

E. transgressed

C. similar to

F. exacerbated

填空 32-6

2018/4/9

Those who took Clark’s old-mannered compliance for obsequiousness (i)_____ him: his apparent (ii)_____ veiled a fervent (iii)_____ of the authority that others exercised over him, one that he occasionally expressed by discreetly sabotaging their most important projects.

 

A. misconstrued

D. cynicism      

G. veneration

B. condemned 

E. acquiescence

H. justification

C. respected   

F. intractability

 I. detestation

填空 10-6

2018/4/9

Galaxy Zoo set a standard for citizen-scientist participation project. Zealous volunteers (i)_____ the project’s organizers by classifying an entire catalog of galaxies years ahead of schedule. (ii)_____ by the (iii)_____ of the volunteers, Galaxy Zoo team was inspired to pursue lines of research they had never even imagined.

 

 

A. beguiled

D. baffled

G. insouciance

B. forestalled

E. buoyed

H. stoicism

C. astonished

F. embarrassed

I. alacrity

填空 17-4

2018/4/9

The benefits offered by information technology do not (i)_____ the need for individual reasoning; for example, Internet user should not allow the reasoning process to be (ii)_____ the mere accumulation raw data.

 

 

A. disguise

D. preceded by

B. signal

E. supplemented with

C. diminish

F. supplanted by

 

 

阅读部分

 

 

说明:阅读机经今天一共命中12篇,分别是真经GRE阅读240篇中的passage3,18,29,37,40,48,59,128,174,194,215。下面是部分真题展示

 

阅读 -正文

Passage 3

2018/4/9

A decrease in face-to-face social contact can precipitate depression. Time spent using the Internet cannot be spent in face-to-face social contact, so psychologists have speculated that sharply increasing Internet use can cause depression. Studies of regular Internet users have found a significantly higher incidence of depression among those who had recently doubled the amount of time they spent using the Internet than among those whose use had not increased. Hence, the psychologists’ speculation is correct. 

阅读 -选项

Passage 3

2018/4/9

Which of the following is an assumption on which the argument depends?

 

A. In general, the reason that the people in the studies had doubled their Internet use was not that they had earlier experienced a significant decrease in opportunities for face-to-face social contact.


B. A sharp decrease in face-to-face social contact is the only change in daily activity that can lead to an increased incidence of depression.


C. Using the Internet presents no opportunities for people to increase the amount of face-to-face social contact they experienced in their daily lives.


D. Regular Internet users who are depressed will experience an immediate improvement in mood if they sharply decrease the amount of time they spend on the Internet.


E. Before they doubled the time they spent on the Internet, the people who did so were already more prone to depression than are regular Internet users in general.

阅读 -正文

Passage 18

2018/4/9

Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins–the largest geologic features observed on planets and moons. In such collisions, the impactor is completely destroyed and its material is incorporated into the larger body. Collison’s between bodies of comparable size, on the other hand, have very different consequences: one or both bodies might be entirely smashed, with mass from one or both the bodies redistributed among new objects formed from the fragments. Such a titanic collision between Earth and a Mars-size impactor may have given rise to Earth’s Moon.


The Earth-Moon system has always been perplexing. Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie. The Moon’s mean density is much lower than that of Earth but is about the same as that of Earth’s mantle. This similarity in density has long prompted speculation that the Moon split away from a rapidly rotating Earth, but this idea founders on two observations. In order to spin off the Moon, Earth would have had to rotate so fast that a day would have lasted less than three hours. Science offers no plausible explanation of how it could have slowed to its current rotational rate from that speed. Moreover, the Moon’s composition, though similar to that of Earth’s mantle, is not a precise match. Theorizing a titanic collision eliminates postulating a too-rapidly spinning Earth and accounts for the Moon’s peculiar composition. In a titanic collision model, the bulk of the Moon would have formed from a combination of material from the impactor and Earth’s mantle. Most of the earthly component would have been in the form of melted or vaporized matter. The difficulty in recondensing this vapor in Earth’s orbit, and its subsequent loss to the vacuum of outer space, might account for the observed absence in lunar rocks of certain readily vaporized compounds and elements. 

 

Unusual features of some other planets might also be explained by such impacts. Mercury is known to have a high density in comparison with other rocky planets. A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal. A massive, glancing blow to Venus might have given it its anomalously slow spin and reversed direction of rotation. Such conjectures are tempting, but, since no early planet was immune to titanic impacts, they could be used indiscriminately to explain away in a cavalier fashion every unusual planetary characteristic; still, we may now be beginning to discern the true role of titanic impacts in planetary history. 

阅读 -选项

Passage 18

2018/4/9

1. 

According to the passage, which of the following is true of the collisions mentioned in the highlighted sentence?


A. They occur less frequently than do titanic collisions.


B. They occur between bodies of comparable size. 

 

C. They occur primarily between planet-sized bodies.


D. They result in the complete destruction of the impacting body.


E. They result in mass being redistributed among newly formed objects. 

 

2.

The author of the passage asserts which of the following about titanic collision models?


A. Such models are conclusive with respect to certain anomalies within the solar system, but leave numerous other anomalies unexplained. 

 

B. Such models are more likely than are earlier models to account for the formation of multi-ring basins.


C. Such models may be particularly useful in explaining what happens when the impacting bodies involved are of highly dissimilar mean densities. 

 

D. Such models have been tested to such a degree that they are quickly reaching the point where they can be considered definitive.


E. Such models are so tempting that they run the risk of being used indiscriminately to explain unusual planetary features. 

 

3. 

The passage suggests that which of the following is true of the cited compounds and elements?


A. They were created by reactions that took place during a titanic collision. 

 

B. They were supplied by an impactor that collided with Earth. 

 

C. They were once present on the Moon but were subsequently vaporized. 

 

D. They are rarely found on planet-size bodies in our solar system.


E. They are present on Earth but not on the Moon. 

 

4. 

In the second paragraph, the author is primarily concerned with


A. arguing in favor of a particular theory about the formation of the Earth-Moon system.


B. summarizing conventional theories about the formation of the earth-Moon system.


C. anticipating and responding to criticisms of a particular theory about the formation of the Earth-Moon system.


D. explaining why the Earth-Moon system is considered scientifically perplexing.


E. questioning an assumption underlying one theory about the formation of the Earth-Moon system. 

阅读 -正文

Passage 29

2018/4/9

For years, the leading theory for what caused the Younger Dryas (a dramatic reversal, about 12,900 years ago, in a global warming trend) was a release of water from Glacial Lake Agassiz. The theory posited that this meltwater flooded into the North Atlantic, lowering the salinity and intensity of surface waters enough to prevent them from sinking. Ocean currents were changed in such a way that northward transport of heat in the ocean diminished, and the North Atlantic regions plunged back into near-glacial conditions. However, evidence has emerged that the Younger Dryas began long before freshwater flooded the North Atlantic. Additionally, the temperature changes induced by a shutdown in the North Atlantic heat conveyor system are too small to explain the Younger Dryas. 

阅读 -选项

Passage 29

2018/4/9

1.
The author of the passage implies which of the following about the release of water from glacial Lake Agassiz?


A. The notion that the release occurred has been challenged by more recent findings.


B. The release probably occurred much earlier than scientists have generally assumed. 

 

C. The release would not have been sufficient to cause any temperature change in the North Atlantic.


D. The timing of the release is such that it probably did not trigger the onset of the Younger Dryas. E. The release was probably unrelated to the global warming trend that was taking place. 

 

2.

The passage is primarily concerned with


A.presenting evidence that undermines an explanation 

 

B.explaining the nature of a climatological phenomenon 

 

C.questioning the timing of a particular event


D. discussing a new explanation for a phenomenon


E. suggesting revisions to a popular theory

 

阅读 -正文

Passage 37

2018/4/9

Because the subject matter was so personal, the work of several prominent mid-twentieth century poets has been termed “confessional” poetry. But confession is a bad metaphor for what those poets did. The motive for confession is penitential or therapeutic—by speaking openly about personal guilt and suffering, the poet hopes to make them easier to bear. But these poets always approached their writing as artists, and their motive was aesthetic. Writing from experiences like madness, despair, and lust, their aim was to make effective art, not to cure themselves. To treat their poems mainly as documents of personal experience is not just to diminish the poets’ achievement, but to ignore their unanimous disdain for the idea of confessional poetry. 

阅读 -选项

Passage 37

2018/4/9

Consider each of the choices separately and select all that apply. 

 

1. 

The author of the passage suggests that applying the term “confessional” to the work of the poets discussed

 

A. is mistaken in what it seems to imply about the poets’ motivation


B. might seem superficially appropriate given the subject matter of the poems 

 

C. is an error arising from the absence of any other convenient term. 

 

 

Consider each of the choices separately and select all that apply.

 

2. 

The passage implies that the poets discussed did NOT


A. think that a poet’s motivation for writing was relevant in evaluating that poet’s work 

 

B. experience any relief of their personal suffering as a result of writing


C. apply to their own work the label by which it has subsequently been know 

 

 

 

 

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