1.At College C there are from 2 to 4 introductory philosophy classes each semester, and each of these classes has from 20 to 30 students enrolled. If one semester 10 percent of the students enrolled in introductory philosophy failed, what is the greatest possible number who failed?
A.12
B.10
C.8
D.6
E.3
答案：A
2.In each of the years 1983 and 1984, the total number of automobiles sold in the United States was 1.2 million more than in the previous year.
Percent increase in the number of automobiles sold in 1983 over 1982
Percent increase in the number of automobiles sold in 1984 over 1983
答案：A
3.A school district has 1989 computers, which is approximately one computer for every 68.6 students. Of the following, which is the closest approximation, in thousands, of the number of students in the school district?
A.30
B.120
C.140
D.160
E.200
答案：C
4.If the sum of five consecutive even integers is 70, what is the value of the greatest of the five integers.
A.12
B.14
C.18
D.20
E.22
答案：C
5.The sum of the first 50 positive integers is 1275. What is the sum of the integers from 51 to 100, inclusive?
A.2525
B.2550
C.325
D.3775
E.5050
答案：D
6.The numbers in a table are arranged in 10 rows and 4 columns such that one number is placed at the intersection of each row and column. How many numbers are contained in the table、
A.14
B.40
C.400
D.104
E.410
答案：B
7.In how many of the integers between 1 and 100 does the digit 5 occur exactly once?
A.10
B.18
C.19
D.20
E.21
答案：B
8.If n is any prime number greater than 2, which of the following cannot be a prime number?
A.n-4
B.n-3
C.n-1
D.n+2
E.n+5
答案：E
9.If the range of the six measurements 140, 125, 180, 110, 165, and x is 80, which of the following could be the value of x?
A.60
B.85
C.190
D.220
E.245
答案:C
10.The 10 households on a certain street have household incomes that range from $34,000 to $150,000 and an average (arithmetic mean) household income of $60,000. If the household with the highest income and the one with the lowest income are excluded. What is the average household income for the remaining 8 households?
A.$41,600
B. $47,000
C. $52,000
D. $61,000
E. $75,000
答案：C 閱讀
Factory workers in Beltania are guaranteed lifetime jobs, bonuses paid on thebasis of productivity and corporate profits, and a wage rate that is not attachedto a particular job. Paradoxically, these guarantees do not discourage factoryowners from introducing labor-saving machinery. Such innovations are to theactory owners' advantage despite the fact that the owners must protect thewages of their workers.
A.Which of the following, if true, most helps to explain why the introduction of labor-saving machinery is advantageous to factory owners?
B.Before a Beltanian factory worker is hired, he or she must present a recordof his or her previous productivity.
C.Labor-saving machinery increases productivity, thus yielding profits thatmore than cover the cost of retraining workers for other jobs.
D.The purchase and maintenance of new machinery adds significantly to thefinal cost of the goods produced.
E. Factory workers demand a change of procedure in the routine tasks they perform.
Limited competition exists among Beltanian factories for consumer markets.
答案：B One of the truisms of the advertising industry is that it is rarely necessary to say something of substance in an advertisement in order to boost sales. Instead, one only needs to attract the potential customer's attention; memory does the rest, for it is more important for sales that people know of a product than that they know something about it.
Which of the following is assumed by the argument?
A.People can remember a product without having much information about it.
B.Advertisements, in their own way, function to improve people's memories.
C.Attracting a potential customer's attention is a simple matter.
D.The advertising industry knows little of substance about the products it promotes.
E.Advertisements seldom tell the truth about a product.
答案：A
Excluding purchases by businesses, the average amount spent on a factory-new car has risen 30 percent in the last five years. In the average household budget, the proportion spent on car purchases has remained unchanged in that period. Therefore the average household budget must have increased by 30 percent over the last five years. Which of the following is an assumption on which the argument relies?
(A)The average number of factory-new cars pur-chased per household has remained unchanged over the last five years.
(B)The average amount spent per car by businesses buying factory-new cars has risen 30 percent in the last five years.
(C)The proportion of the average household budget spent on all car-related expenses has remained unchanged over the last five years.
(D)The proportion of the average household budget spent on food and housing has remained unchanged over the last five years.
(E)The total amount spent nationwide on factory-new cars has increased by 30 percent over the last five years.
答案：A
A.12
B.10
C.8
D.6
E.3
答案：A
2.In each of the years 1983 and 1984, the total number of automobiles sold in the United States was 1.2 million more than in the previous year.
Percent increase in the number of automobiles sold in 1983 over 1982
Percent increase in the number of automobiles sold in 1984 over 1983
答案：A
3.A school district has 1989 computers, which is approximately one computer for every 68.6 students. Of the following, which is the closest approximation, in thousands, of the number of students in the school district?
A.30
B.120
C.140
D.160
E.200
答案：C
4.If the sum of five consecutive even integers is 70, what is the value of the greatest of the five integers.
A.12
B.14
C.18
D.20
E.22
答案：C
5.The sum of the first 50 positive integers is 1275. What is the sum of the integers from 51 to 100, inclusive?
A.2525
B.2550
C.325
D.3775
E.5050
答案：D
6.The numbers in a table are arranged in 10 rows and 4 columns such that one number is placed at the intersection of each row and column. How many numbers are contained in the table、
A.14
B.40
C.400
D.104
E.410
答案：B
7.In how many of the integers between 1 and 100 does the digit 5 occur exactly once?
A.10
B.18
C.19
D.20
E.21
答案：B
8.If n is any prime number greater than 2, which of the following cannot be a prime number?
A.n-4
B.n-3
C.n-1
D.n+2
E.n+5
答案：E
9.If the range of the six measurements 140, 125, 180, 110, 165, and x is 80, which of the following could be the value of x?
A.60
B.85
C.190
D.220
E.245
答案:C
10.The 10 households on a certain street have household incomes that range from $34,000 to $150,000 and an average (arithmetic mean) household income of $60,000. If the household with the highest income and the one with the lowest income are excluded. What is the average household income for the remaining 8 households?
A.$41,600
B. $47,000
C. $52,000
D. $61,000
E. $75,000
答案：C 閱讀
Factory workers in Beltania are guaranteed lifetime jobs, bonuses paid on thebasis of productivity and corporate profits, and a wage rate that is not attachedto a particular job. Paradoxically, these guarantees do not discourage factoryowners from introducing labor-saving machinery. Such innovations are to theactory owners' advantage despite the fact that the owners must protect thewages of their workers.
A.Which of the following, if true, most helps to explain why the introduction of labor-saving machinery is advantageous to factory owners?
B.Before a Beltanian factory worker is hired, he or she must present a recordof his or her previous productivity.
C.Labor-saving machinery increases productivity, thus yielding profits thatmore than cover the cost of retraining workers for other jobs.
D.The purchase and maintenance of new machinery adds significantly to thefinal cost of the goods produced.
E. Factory workers demand a change of procedure in the routine tasks they perform.
Limited competition exists among Beltanian factories for consumer markets.
答案：B One of the truisms of the advertising industry is that it is rarely necessary to say something of substance in an advertisement in order to boost sales. Instead, one only needs to attract the potential customer's attention; memory does the rest, for it is more important for sales that people know of a product than that they know something about it.
Which of the following is assumed by the argument?
A.People can remember a product without having much information about it.
B.Advertisements, in their own way, function to improve people's memories.
C.Attracting a potential customer's attention is a simple matter.
D.The advertising industry knows little of substance about the products it promotes.
E.Advertisements seldom tell the truth about a product.
答案：A
Excluding purchases by businesses, the average amount spent on a factory-new car has risen 30 percent in the last five years. In the average household budget, the proportion spent on car purchases has remained unchanged in that period. Therefore the average household budget must have increased by 30 percent over the last five years. Which of the following is an assumption on which the argument relies?
(A)The average number of factory-new cars pur-chased per household has remained unchanged over the last five years.
(B)The average amount spent per car by businesses buying factory-new cars has risen 30 percent in the last five years.
(C)The proportion of the average household budget spent on all car-related expenses has remained unchanged over the last five years.
(D)The proportion of the average household budget spent on food and housing has remained unchanged over the last five years.
(E)The total amount spent nationwide on factory-new cars has increased by 30 percent over the last five years.
答案：A