已选分类
管理学工商管理
单选题 Questions 10—11 are based on the following:
Antinuclear activist: The closing of the nuclear power plant is a victory
for the antinuclear cause. It also represents a belated acknowledgment by the
power industry that they cannot operate such plants safely.
Nuclear power plant manager: It represents no such thing. The availability of
cheap power from nonnuclear sources, together with the cost of mandated safety
inspections and safety repairs, made continued operation uneconomic. Thus it was
not safety considerations but economic considerations that dictated the plant's
closing.
单选题If f and g are distinct prime numbers less than 10, which of the following cannot be the product of f and g?
单选题The proposal to extend clinical trials, which are routinely used as systematic tests of pharmaceutical innovations, to new surgical procedures should not be implemented. The point is that surgical procedures differ in one important respect from medicinal drugs: a correctly prescribed drug depends for its effectiveness only on the drug"s composition, whereas the effectiveness of even the most appropriate surgical procedure is transparently related to the skills of the surgeon who uses it.
The reasoning in the argument is flawed because the argument
单选题If x and y are positive integers and x is a multiple of y，is y=2? (1)y≠1 (2)x+2 is a multiple of y.
单选题Can the positive integer p be expressed as the product of two integers, each of which is greater than 1? (1)31＜p＜37 (2)p is odd
单选题In the past ten years, there have been several improvements in mountain-climbing equipment. These improvements have made the sport both safer and more enjoyable for experienced climbers. Despite these improvements, however, the rate of mountain-climbing injuries has doubled in the past ten years.
If all of the statements above are true, which of the following, if true, best reconciles their apparent discrepancy?
单选题If x＜y＜z and y-x＞5, where x is an even integer and y and z are odd integers, what is the least possible value of z-x?
单选题Which of the following, if true, would most strengthen the labor leaders" claim concerning the manufacturing industry in Alameda?
单选题Exactly how many bonds does Bob have? (1)Of Bob's bonds，exactly 21 are worth at least$5,000 each. (2)Of Bob's bonds, exactly 65 per cent are worth less than$5,000 each.
单选题A certain ear increased its average speed by 5 miles per hour in each successive 5-minute interval after the first interval. If in the first 5-minute interval its average speed was 20 miles per hour, how many miles did the car travel in the third 5-minute interval? (A) 1.0 (B) 1.5 (C) 2.0 (D) 2.5 (E) 3.0
单选题If 10 persons meet at a reunion and each person shakes hands exactly once with each of the others, what is the total number of handshakes?
单选题Inamayoralelection,CandidateXreceivedmorevotesthancandidateY,andCandidateYreceivedfewervotesthanCandidateZ.IfCandidateZreceived24,000votes,howmanyvotesdidCandidateXreceive?(A)18,000(B)22,000(C)24,000(D)26,000(E)32,000
单选题What is the greatest commom divisor of positive integers m and n?
(1)m is a prime number.
(2)m and n are consecutive integers.
单选题The most important aspect of moviemaking is conveying a scene"s rhythm. Conveying rhythm depends less on the artistic quality of the individual photographic images than on how the shots go together and the order in which they highlight different aspects of the action taking place in front of the camera.
If the statements above are true, which of the following must be true on the basis of them?
单选题If an integer n is divisible by both 6 and 8, then it must also be divisible by which of the following?
单选题 DAILY TRAIN SCHEDULE Train Scheduled Departure Station S Scheduled Arrival Station T X 7:08(EST)* 8:10(EST) * Eastern Standard Time The table above shows the morning schedule for train X. If Juan took train X on Monday morning, did he arrive at station T on schedule? (1)Juan arrived at station T on Monday morning 1 hour and 2 minutes after he left station S. (2)Juan arrived at his office at 8:30 (EST) on Monday morning, which was 20 minutes after he arrived at station T.
单选题If n is an integer between 2 and 100 and if n is also the square of an integer, what is the value of n? (1)n is the cube of an integer. (2)n is even.
单选题If x=0.rstu, where r, s, t, and u each represent a nonzero digit of x, what is the value of x? (1)r=3s=2t=6u (2)The product of r and u is equal to the product of s and t.
单选题Which of the following CANNOT be zero?
Ⅰ. The sum of 7 consecutive integers
Ⅱ. The sum of 10 consecutive even integers
Ⅲ. The product of 13 consecutive integers
单选题A certain Social Security recipient will receive an annual benefit of $12,000 provided he has annual earnings of $9,360 or less, but the benefit will be reduced by $1 for every $3 of annual earnings over $9,360. What amount of total annual earnings would result in a 50 percent reduction in the recipient's annual Social Security benefit? (Assume Social Security benefits are not counted as part of annual earnings.) (A) $15,360 (B) $17,360 (C) $18,000 (D) $21,360 (E) $27,360