1、GMAT 研究生管理入学考试英语-5 及答案解析(总分：108.00，做题时间：90 分钟)一、WRITING(总题数：2，分数：6.00)1.Read the statement and the instructions that follow it, and then make any notes that will help you plan your response. Write your response on a separate sheet of paper. If possible, type your essay on a word processor.Because of
2、 research priorities at the national and academic levels, we know more about the surface of the moon than we do about the ocean floor of our own planet, despite the central role the oceans play in global transportation, food production, and climate. It would be more sensible to reallocate those reso
3、urces dedicated to space research to the exploration of our oceans.Discuss the extent to which you agree or disagree with the opinion stated above. Support your views with reasons and/or examples from your own experiences, observations, or reading.（分数：3.00）_2.Read the argument and the instructions t
4、hat follow it, and then make any notes that will help you plan your response. Write your response on a separate sheet of paper. If possible, type your essay on a word processor.A spokesman for a dairy company issued the following statement:Many consumers buy organic milk because they are concerned a
5、bout the consequences of the widespread use of recombinant bovine growth hormone and antibiotics in the conventional dairy industry. These concerns, however, are unfounded. While bovine growth hormone has been shown to produce significant developmental effects in cattle, no study has ever shown that
6、 its presence in commercial milk has had any developmental effects on human consumers. Regarding antibiotics, while it has been argued that large-scale, preemptive use of antibiotics in cattle feed can interfere with the animals immune systems and can lead to the proliferation of antibiotic-resistan
7、t strains of bacteria, neither of these effects affect the quality of the milk produced by cattle that are fed antibiotics. Therefore, there is no reasonable justification for a consumer to pay $5 for a gallon of organic milk when a perfectly good gallon of conventional milk can be had for half the
8、price.Discuss how well reasoned you find this argument. In your discussion, be sure to analyze the line of reasoning and the use of evidence in the argument. For example, you may need to consider what questionable assumptions underlie the thinking and what alternative examples or counterexamples mig
9、ht weaken the conclusion. You can also discuss what sort of evidence would strengthen or refute the argument, what changes in the argument would make it more logically sound, and what, if anything, would help you better evaluate its conclusion.（分数：3.00）_二、Quantitative(总题数：25，分数：51.00)3.Jims Taxi Ser
10、vice charges an initial fee of $2.25 at the beginning of a trip and an additional charge of $0.35 for each 2/5 of a mile traveled. What is the total charge for a trip of 3.6 miles?A. $3.15B. $4.45C. $4.80D. $5.O5E. $5.4O（分数：1.00）A.B.C.D.E.4.If the area of a square with sides of length 8 centimeters
11、is equal to the area of a rectangle with a width of 4 centimeters, what is the length of the rectangle, in centimeters?A. 4B. 8C. 12D. 16E. 18（分数：1.00）A.B.C.D.E.5.A certain lab experiments with white and brown mice only. In one experiment, 2/3 of the mice are white. If there are 13 brown mice in the
12、 experiment, how many mice in total are in the experiment?A. 39B. 33C. 26D. 21E. 10（分数：1.00）A.B.C.D.E.6.If , where a, b, and c are each equal to 0 or 1, then x could be each of the following EXCEPT:（分数：1.00）A.B.C.D.E.7.Fifty applicants for a job were given scores from 1 to 5 on their interview perfo
13、rmance. Their scores are shown in the table above. What was the average score for the group?Score Number of Applicants 5 24 123 212 71 8A. 2.79B. 2.86C. 2.91D. 2.99E. 3.03（分数：1.00）A.B.C.D.E.The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in whic
14、h 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 m
15、ust indicate whether. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. St
16、atements (1) and (2) TOGETHER are NOT sufficient.（分数：5.00）(1).Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?(1) Lisa bought 3 records for $22.50.(2) Betty bought
17、2 records and 4 CDs for $55.00.（分数：1.00）A.B.C.D.E.(2).N and P are points on the number line below 20. Is P closer to 10 than N is?(1) P is greater than the average of 10 and N.(2) （分数：1.00）A.B.C.D.E.(3).What is the area of the rectangular region depicted above with sides A and B and diagonal C?（分数：1
18、.00）A.B.C.D.E.(4).Do at least 20 percent of the people in country X who are over the age of 25 possess a college diploma?(1) In country X, among the population over the age of 25, 26 percent of the male population and 16 percent of the female population possess college diplomas.(2) In country X, wom
19、en account for 55 percent of the total population.（分数：1.00）A.B.C.D.E.(5).If and s0, what is the value of C?(1) r=4s(2) （分数：1.00）A.B.C.D.E.8.If 8a=9b and ab0, what is the ratio of ?（分数：1.00）A.B.C.D.E.9.Two hundred multiples of seven are chosen at random, and 300 multiples of eight are chosen at rando
20、m. Approximately what percentage of the 500 selected numbers are odd?A. 20%B. 25%C. 40%D. 5O%E. 80%（分数：1.00）A.B.C.D.E.10.In triangle ABC above, if BAD and ADB have measures of 4n, ACB has a measure of n, and DBC has a measure of 45, what is the measure of ABC? (Figure not necessarily drawn to scale.
21、)（分数：1.00）A.B.C.D.E.11.A coed soccer team has W women and M men on the team. If 4 women and 2 men are added to the team roster, and if one person on the team is selected at random to serve as team captain, then the probability that the team captain will be a woman can be represented as（分数：1.00）A.B.C
22、.D.E.12.What is the twenty-third decimal to the right in the fraction （分数：1.00）A.B.C.D.E.13.If Scott has earned x dollars by working 3 days a week at a constant daily rate for W weeks, which of the following represents his daily wage?（分数：1.00）A.B.C.D.E.14.（分数：1.00）A.B.C.D.E.15.In a certain conservat
23、ive mutual fund, 70 percent of the money is invested in bonds, and of that portion, 40 percent is invested in highly rated corporate bonds. If at least $1.4 million in this fund is invested in highly rated corporate bonds, what is the smallest possible total value for the mutual fund?A. $4 millionB.
24、 $5 millionC. $6 millionD. $7 millionE. $8 million（分数：1.00）A.B.C.D.E.16.If the diameter of a circle is 14, then the area of the circle isA. 7B. 14C. 28D. 49E. 196（分数：1.00）A.B.C.D.E.The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain
25、 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 indic
26、ate whether. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements
27、(1) and (2) TOGETHER are NOT sufficient.（分数：12.00）(1).If a is an integer, is b an integer?(1) The average (arithmetic mean) of a and b is an integer.(2) The average (arithmetic mean) of a, b, and b+4 is a.（分数：2.00）A.B.C.D.E.(2).Did Alberto pay more than N dollars for his new stereo, excluding the sa
28、les tax?(1) The price Alberto paid for the stereo was 1.05N, including the sales tax.(2) Alberto paid $35 in sales tax on the purchase of his new stereo.（分数：2.00）A.B.C.D.E.(3).Is r1?(1) r0(2) r21（分数：2.00）A.B.C.D.E.(4).In the figure above, with B a point on the line AC, what is the measure of XBZ? (F
29、igure not necessarily drawn to scale.)（分数：2.00）A.B.C.D.E.(5).If P and Q are both positive, what is the value of P?(1) PQ is a positive multiple of 5.(2) 300 percent of P equals 500 percent of Q.（分数：2.00）A.B.C.D.E.(6).MegaTech and UltraCorp are considering a merger to form the MegaUltraTech Corporati
30、on. Does MegaTech have more employees than UltraCorp?(1) The average (arithmetic mean) age of UltraCorp employees is 32.8, while the average age of MegaTech employees is 27.2.(2) If the merger goes through and all employees from both companies remain employed, the average (arithmetic mean) age of th
31、e MegaUltraTech employees will be 31.4.（分数：2.00）A.B.C.D.E.17.In a sample of 800 high school students in which all students are either freshmen, sophomores, juniors, or seniors, 22 percent are juniors and 74 percent are not sophomores. If there are 160 seniors, how many more freshmen than sophomores
32、are there among the sample of students?A. 42B. 48C. 56D. 208E. 256（分数：2.00）A.B.C.D.E.18.The time it took car P to travel 600 miles was 2 hours less than the time it took car R to travel the same distance. If car Ps average speed was 10 miles per hour greater than that of car R, what was car Rs avera
33、ge speed, in miles per hour?A. 40B. 50C. 60D. 70E. 80（分数：2.00）A.B.C.D.E.19.For any numbers a and b, ab=ab(3-b). If a and ab both represent positive numbers, which of the following could be a value of b?A.-5B.-2C. 2D. 4E. 7（分数：2.00）A.B.C.D.E.20.Marcella has 25 pairs of shoes. If she loses 9 individua
34、l shoes, what is the greatest number of matching pairs she could have left?A. 21B. 20C. 19D. 16E. 15（分数：2.00）A.B.C.D.E.21.If Finn was 18 months old one year ago, how old was he, in months, x months ago?A. x-30B. x-12C. 18-xD. 24-xE. 30-x（分数：2.00）A.B.C.D.E.22.A restaurant orders 150 kg of pumpkins fr
35、om the farmers market. The farmer fills the order with 23 pumpkins. The average mass of the first 20 pumpkins is 6.5 kg. What must be the minimum average mass of the remaining 3 pumpkins to fill the order?A. 5.5 kgB. 5.67 kgC. 6.67 kgD. 7 kgE. 11.5 kg（分数：2.00）A.B.C.D.E.23.The square root of 636 is b
36、etween which set of integers?A. 24 and 25B. 25 and 26C. 26 and 27D. 27 and 28E. 28 and 29（分数：2.00）A.B.C.D.E.24.In a forest 150 deer were caught, tagged with electronic markers, then released. A week later, 50 deer were captured in the same forest. Of these 50 deer, it was found that 5 had been tagge
37、d with the electronic markers. If the percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest, and if no deer had either left or entered the forest over the preceding week, what is the approximate number of deer in the forest?A. 150B. 750C. 1,250D. 1,5
38、00E. 2,500（分数：2.00）A.B.C.D.E.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 stat
39、ements 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. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is
40、 not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient.（分数：4.00）(1).If 5a=9b=15c, what is the value of a+b+c?(1) 3c-a=5c-3b(2) 6cb=10a（分数：1.00）A.B.C.D.E.(2).Stanley ha
41、s gained 8 pounds a year ever since he turned 18. How much weight has Stanley gained since he turned 18?(1) Stanley now weighs twice what he weighed when he turned 18.(2) Stanley is now twice the age he was when he turned 18.（分数：1.00）A.B.C.D.E.(3).What is the value of the greater of two numbers if o
42、ne of the numbers is three times the smaller number?(1) One of the numbers is 12.(2) The sum of the two numbers is 16.（分数：1.00）A.B.C.D.E.(4).If （分数：1.00）A.B.C.D.E.三、Verbal(总题数：18，分数：51.00)The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, y
43、ou 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
44、your answer, follow the requirements of standard written English; 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 grammati
45、cal error.（分数：5.00）(1).The gap in the ozone layer over the North Pole can expand each summer enough that it exposes regions as far south as Sweden by heightened UV radiation, also increasing rates of skin cancer in the northern regions by as much as 50 percent.A. that it exposes regions as far south
46、 as Sweden by heightened UV radiation, also increasingB. that regions as far south as Sweden have been exposed to heightened UV radiation, as well as having increasedC. to expose regions as far south as Sweden to heightened UV radiation, increasedD. to expose regions as far south as Sweden to height
47、ened UV radiation and increaseE. that exposure to heightened UV radiation in regions as far south as Sweden, as well as increasing（分数：1.00）A.B.C.D.E.(2).In winning the 1998 Kentucky Derby, Swiftilocks showed a burst of speed as that of Man o War, who won 20 of 21 races in 1919 and 1920.A. as that of
48、 Man o War, who wonB. not unlike that of Man o War, who wonC. not unlike Man o War, who wonD. like that of Man o War for winningE. like Man o War and his winning（分数：1.00）A.B.C.D.E.(3).Rising tides of unemployment claims across the state has led the governor to declare the economy to be in a state of
49、 emergency.A. Rising tidesB. Because the rising tideC. The tide is risingD. The rising tideE. The rising of the tide（分数：1.00）A.B.C.D.E.(4).Seeking to decrease the incidence of tooth decay, the American Dental Association is to spend $45 million over the next seven years promoting good dental hygiene.A. the American Dental Association is to spend $45 million over th
