GMAT习题练习

GMAT考试模拟试题(2019/11/6)
1题:(32+1)(812+1)(92+1)(32-1)=
A、814+1
B、99-1
C、316-1
D、332-1
E、396+1
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2题:3x2+bx+c=0(c≠O)的两个根为a、β如果又以a+β、aβ为根的一元二次方程是3x2-bx+c=0,则b和c分别为().
A.2,6
B、3,4
C、-2,-6
D.-3,-6
E、以上结果都不正确
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3题:Ms.WrighttriestogetinsideIrantounderstandhowitworks,theroleithasplayedintheMiddleEastanditsintricaterelationshipwiththeUnitedStates,whichiscomplexanddependsheavilyonunderstandingoftheFarsilanguage.()
(A)whichiscomplexanddepends
(B)becauseitiscomplexanddepends
(C)buttheyarecomplexanddepend
(D)whicharecomplexanddepend
(E)ataskthatiscomplexanddepends
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4题:The questions in this group are based on the content of a passage.After reading the passage, choose the best answer to each question.Answer all questions following the passage on the basis of what is stated or implied in the passage.
Of all aspects of Indian culture, the caste system is perhaps the most bewildering to outsiders. For visitors unaccustomed to this system of hereditary social divisions, the complex and mostly unwritten rules governing whom a person can marry, what kind of work she can do, and even what kind of food she can eat may seem puzzling and mysterious. One reason for this confusion is that the concept of caste is actually divided into two separate but related concepts in Indian culture: varna and jati.
Varna, which literally means "color," is the most basic social division. There are four varna: theBrahmans, the traditional priest class; the Kshatriya, the warrior class; the Vaishya, the skilled workers and merchants; and the Sudra, laborers whose role is to serve the three higher classes.Below the Sudra are a class known as the Untouchables, who technically fall outside of the varna system because they are supposedly "unclean" in a ritual sense. The Untouchables are the lowest class in India, but they make life possible for everyone else because they take care of the jobs that would "pollute" the higher classes, such as working with dead animals or cleaning sewage. The Indian statesman Mohandas Gandhi, in an effort to promote social equality, encouraged people to refer to Untouchables as the Harijan, which means "Children of Go
D、"
Each varna is then divided into hundreds or thousands of jati, a term that literally means "birth." The jati are kinship groups with hereditary roles and professions, such as leatherworker or brick-maker. Observant Hindus have traditionally married within their varna and jati.
The origins of the caste system are obscure. The prevailing theory among anthropologists is that the Varna system emerged shortly after the so-calledAryan Invasion of the second millenniumB、
C、According to this theory, a population of Indo-European invaders conquered northern India around 1500B、
C、The Indo-Europeans placed themselves in the three highest rungs of societyBrahman, Kshatriya, and Vaishya), corresponding to the traditional division of Indo-European societies into priests, warriors, and commoners, while placing the conquered local populations into the worker classes of the Sudra and the Untouchables. This theory does not account for the jati system, however, which has parallels in no other Indo-European society. Most anthropologists suggest that the jati system predates the varna system, and that it might have originated in the Harappan civilization that prevailed in northern India prior to theAryan Invasion.
The relationship of jati to varna is most comparable to which of the following relationships
A、The relationship of individual playing cards to a 52-card deck
B、The relationship of a group of related species of animals to the genus to which the species belong

C、The relationship of a compact disk to the songs contained on that disk

D、The relationship of a transmission to the car in which the transmission has been installed
E、The relationship of an updated version of software to the original version of that software
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5题:TheElkCity garbage dumps are so full thatElkCity has been forced to pay a large sum toCaribouCity to accept much ofElkCity’s garbage. TheElkCity mayor has proposed paying for this garbage relocation by imposing a tax on manufacturing businesses inELkCity. MegaCorp, the largest manufacturing business in the area, protests that this tax is unfair because businesses should not have to pay for a garbage problem that has been created by homeowners.
Which of the following, if true, most weakens MegaCorp’s argument
A、MegaCorp already pays more than $10,000 per year in taxes and fees toElkCity.
B、MegaCorp employs more than 60 percent of the employed residents ofElkCity.
C、A、recycling program would address the garbage problem more effectively by reducing the overall quantity of waste.
D、MegaCorp’s manufacturing processes produce more than 90 percent of the total waste that goes intoElkCity’s garbage dumps.
E、CaribouCity is happy to receive the extra garbage because the fees it collects fromElkCity have helped to address a shortfall in education funding.
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6题:下列通项公式表示的数列为等差数列的是().

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7题:a,b,c,是不全相等的任意实数,若x=a2-bc,y=b2-ac,z=c2-ab,则x,y,z为().
A.都大于0
B、至少有一个大于0
C.至少有一个小于0
D、都不小于0
E.都小于0
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8题:The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether
A、 Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient.
B、 Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient.
D、EACH statementALONE、is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
If q+r+s=45, what is the value of qr
(1) q=r=s
(2) q-r-s=-15
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9题:Apeculiarfeatureoftheembryonicmammaliancirculatorysystemisthatintheareaoftheheartthecellsadheretooneanother,beatinginunisonandadoptingspecializedorientationsexclusiveofoneanother.()
(A)beatinginunisonandadopting
(B)theybeatinunisonwhileadopting
(C)beatinunison,andadopt
(D)beatinginunisonyetadopting
(E)eventhoughtheybeatinunisonandadopt
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10题:The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether
A、Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient.
B、Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient.
D、EACH statementALONE、is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
If b>a, then a is what percent of b
(1) a=4
(2) b=4a
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11题:Aviationofficialshavenotonlyfailedtodeterminethecauseofthecrash,buttheyhavealsoignoreddemandsbythepilotsunionthattheinvestigationshouldbeexpedited.()
(A)crash,buttheyhavealsoignoreddemandsbythepilotsunionthattheinvestigationshouldbeexpedited
(B)crashbutalsoignoreddemandsbythepilotsunionthattheinvestigationbeexpedited
(C)crashbuthaveignoreddemandsforexpeditingtheinvestigationbythepilots'union
(D)crash,buttheyarealsoignoringthepilots'union'sdemandstoexpeditetheinvestigation
(E)crash:thedemandsbythepilots'unionthattheinvestigationshouldbeexpeditedhavealsobeenignored
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12题:
A、recent spate of art thefts at a major museum has led to a drastic increase in the insurance premiums that the museum must pay to insure its collection. Many art fans are concerned that the museum, which traditionally has charged no entrance fee, will be forced to charge a high entrance fee in order to pay for the increased insurance premiums.
Which of the following, if true, would most alleviate the concern of the art fans that the museum will be forced to charge high entrance fees

A、Law enforcement officials recently apprehended theBelgianBobcat, a notorious art thief who has been linked to at least 20 art heists.
B、Citing a dispute with the insurance company over the terms of its coverage, the museum has chosen to cancel its insurance policy.
C、The majority of visitors to the museum are schoolchildren, who could not reasonably be expected to pay a high entrance fee.
D、The museum pays for the majority of its total expenses from its large endowment, which is earmarked specifically for purchasing new art.
E、The museum recently installed a state-of- the-art burglar alarm system that will make future thefts almost impossible.
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13题:The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether
A、 Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient.
B、 Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient.
D、EACH statementALONE、is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
What is the value of integer x
(1) x is a positive integer
(2) 17≤x≤18
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14题:AnAmerican manufacturer of space heaters reported a 1994 fourth-quarter net income (total income minus total costs) of $41 million, compared with $28.3 million in the fourth quarter of 1993. This increase was realized despite a drop in U.S. domestic retail sales of space-heating units toward the end of the fourth quarter of 1994 as a result of unusually high temperatures.
Which of the following, if true, would contribute most to an explanation of the increase in the manufacturer’s net income

A、In the fourth quarter of 1994, the manufacturer paid its assembly-line workers no salaries in November orDecember because of a two-month-long strike, but the company had a sufficient stock of space-heating units on hand to supply its distributors.
B、In 1993, because of unusually cold weather in the Northeast, the federal government authorized the diversion of emergency funding for purchasing space-heating units to be used in the hardest-hit areas.
C、Foreign manufacturers of space heaters reported improved fourth-quarter sales in theAmerican market compared with their sales in 1993.
D、During the fourth quarter of 1994, the manufacturer announced that it would introduce an extra-high-capacity space heater in the following quarter.
E、In the third quarter of 1994, a leading consumer magazine advocated space heaters as a cost-effective way to heat spaces of less than 100 square feet.
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15题:The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether
A、Statement (1)ALONE、is sufficient, but statement (2) alone is not sufficient.
B、Statement (2)ALONE、is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statementALONE、is sufficient.
D、EACH statementALONE、is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
A、type of candy comes in two flavors, sweet and sour, and in two colors, yellow and green. The color and flavor of the individual pieces of candy are not relateD、If in a certain box of this candy 1/4 of the yellow pieces and 5/7 of the green pieces are sour, what is the ratio of the number of yellow pieces to the number of green pieces in the box
(1) In the box, the number of sweet yellow pieces is equal to the number of sour green pieces.
(2) In the box, the number of green pieces is two less than the number of yellow pieces.
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16题:The following questions present a sentence, part of which or all of which is underlineD、Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.
These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard writtenEnglish; that is, pay attention to grammar, choice of words, and sentence construction.Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.
Having accounted for only 13 percent of the student body at Northlake High, students who attended Megalopolis Middle School dominate the Northlake High student government.
A、Having accounted for
B、With
C、Despite having been
D、Although accounting for
E、As
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17题:The questions in this group are based on the content of a passage.After reading the passage, choose the best answer to each question.Answer all questions following the passage on the basis of what is stated or implied in the passage.
Although hard statistics are difficult to come by, there is substantial anecdotal evidence that use of performance-enhancing drugs, or doping, is rampant in professional sports. Of perhaps greater significance to society are the estimated 1.5 million amateur athletes who use steroids, either to improve their appearance or to emulate the performance of their favorite professional athletes. This chemical epidemic is a pernicious threat to both the nation’s health and our collective sense of "fair play."
Nonprescription anabolic steroids have been illegal in the United States since 1991, and most professional sports leagues have banned them since the 1980s. These bans are partly a matter of fairness--a talented athlete trained to the peak of her ability simply cannot compete with an equivalent athlete using steroids--but also based on issues of health.Anabolic androgenic steroids ("anabolic" means that they build tissues; "androgenic" means that they increase masculine traits) have been linked to liver damage, kidney tumors, high blood pressure, balding, and acne. They function by increasing the body’s level of testosterone, the primary male sex hormone. In men, this dramatic increase in testosterone can lead to the shrinking of testicles, infertility, and the development of breasts; in women, it can lead to the growth of facial hair and permanent damage to the reproductive system. Steroids have also been linked to a range of psychological problems, including depression and psychotic rage.
The punishments for getting caught using steroids are severe, and the serious health consequences are well documenteD、Despite this, millions of professional and amateur athletes continue to use performance-enhancing drugs. Why is this
One clear pattern is that many athletes will do whatever it takes to get an edge on the competition. Since the 1950s, Olympic athletes have played a cat-and-mouse game with OlympicCommittee officials to get away with doping, because the drugs really do work.Athletes who dope are simply stronger and faster than their competitors who play fair. Professional athletes in football and baseball have found that steroids and human growth hormone can give them the edge to score that extra touch-down or home run, and in the modern sports market, those results can translate into millions of dollars in salary. For the millions of less talented athletes in gyms and playing fields across the country, drugs seem like the only way to approach the abilities of their heroes in professional sports.
The other clear pattern, unfortunately, is that it has been all too easy for abusers to get away with it. Steroid abuse is often regarded as a "victimless crime." One of the favored ways to trick the testers is to use "designer" steroids. There are thousands of permutations of testosterone, such as THG, that can be produced in a laB、Chemists have discovered that they can create new drugs that produce androgenic effects but do not set off the standard doping tests. Other methods have been to use the steroids but stop a few weeks before testing, to use other chemicals to mask the traces of steroids, or to switch in a "clean" sample of urine at the testing site. Other athletes use steroid precursors, such as androstene-dione, that have androgenic effects similar to those of steroids but are not illegal because they are not technically steroids. The sad fact is that unless the government and professional sports organizations are willing to get tough on the steroid problem, the use of performance-enhancing dugs in sports is not going to enD、
Which of the following best expresses the role of the third paragraph in the overall
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18题:The following two questions are based on the following passage:
The Southfork SteelCompany is in trouble. Since 1960 it has made guaranteed payments to retirees out of a pension fund paid into by current employees as a percentage of their salaries. The restructuring of the Southfork workforce, however, has meant that fewer employees are now needed to produce the same amount of work as in the days of the retired employees. Since current employees are unwilling to pay a larger percentage of their salaries into the pension system than their predecessors did, the pension fund will inevitably go bankrupt.
Which of the following, if true, suggests that the passage is correct in its conclusion that the pension fund will inevitably go bankrupt
A、Employees who retire today will, on average, live five years longer than those who retired in the 1960s.
B、The workers’ union has consistently vetoed any efforts on the part of management to cut tire level of pension payments to retired employees.
C、Although Southfork Steel now produces almost twice as much steel as it did during the 1960s, overseas competition has driven the price of steel, adjusted for inflation, to less than one-third of its price in the 1960s, and there is no indication that prices will increase at any time in the future.
D、Consultants have advised Southfork management that it can improve efficiency at the plant by implementing further workforce restructuring that could decrease the total number of employees by approximately 10 percent.
E、Southfork employees in management do not take part in the general pension system, but instead pay into and collect from a separate system that guarantees higher payments.
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19题:If
for all numbers q, r, s, and t, then

A、-3
B、-1
C、1
D、4/3
E、4
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20题:If x2+9x-3=3x2+2x(4-x), then x2=
A、2
B、3
C、4
D、9
E、16
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