已选分类
管理学
单选题If Carmen had 12 more tapes, she would have twice as many tapes as Rafael. Does Carmen have fewer tapes than Rafael?
(1)Rafael has more than 5 tapes.
(2)Carmen has fewer than 12 tapes.
单选题Each person on a committee with 40 members voted for exactly one of 3 candidates, F, G, or H. Did Candidate F receive the most votes from the 40 votes cast? (1)Candidate F received 11 of the votes (2)Candidate H received 14 of the votes.
单选题Committee X and committee Y, which have no common members, will combine to form Committee Z. Does Committee X have more members than Committee Y? (1)The average (arithmetic mean) age of the members of Committee X is 25.7 years and the average age of the members of Committee Y is 29.3 years. (2)The average (arithmetic mean) age of the members of Committee Z will be 26.6 years.
单选题If p and q are positive integers, what is the value of q?
(1)q
p-1
=1
(2)p=1
单选题Ifxandyaredifferentprimenumbers,eachgreaterthan2,whichofthefollowingmustbetrue?Ⅰx+y≠91Ⅱx-yisaneveninteger.Ⅲisnotaninteger.
单选题149 people were aboard Flight 222 when it arrived at Los Angeles from New York City with Chicago as the only intermediate stop. How many people first boarded the flight in Chicago? (1)170 people were aboard the flight when it left New York City. (2)23 people from the flight deplaned in Chicago and did not reboard. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题Politician: Unless our nation redistributes wealth, we will be unable to alleviate economic injustice and our current system will lead inevitably to intolerable economic inequities. If the inequities become intolerable, those who suffer from the injustice will retort to violence to coerce social reform. It is our nation"s responsibility to do whatever is necessary to alleviate conditions that would otherwise give rise to violent attempts at social reform.
The statements above logically commit the politician to which one of the following conclusions?
单选题Inthediagramabove,pointsA,B,C,D,andErepresentthefiveteamsinacertainleagueinwhicheachteammustplayeachoftheotherteamsexactlyonce.Thesegmentsconnectingpairsofpointsindicatethatthetwocorrespondingteamshavealreadyplayedtheirgame.Thearrowsonthesegmentspointtotheteamsthatlost;thelackofanarrowonasegmentindicatesthatthegameendedinatie.Afterallgameshavebeenplayed,whichofthefollowingcouldNOTbethepercentofgamesplayedthatendedinatie?
单选题A rectangle is defined to be "silver" if and only if the ratio of its length to its width is2 to 1. If rectangle S is silver, is rectangle R silver? (1)R has the same area as S. (2)The ratio of one side of R to one side of S is 2 to 1.
单选题Last Tuesday a trucker paid $155.76, including 10 percent state and federal taxes, for diesel fuel. What was the price per gallon for the fuel if the taxes are excluded? (1)The trucker paid $0.118 per gallon in state and federal taxes on the fuel last Tuesday. (2)The trucker purchased 120 gallons of the fuel last Tuesday. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题Coins are to be put into 7 pockets so that each pocket contains at least one coin. At most 3 of the pockets are to contain the same number of coins, and no two of the remaining pockets are tO contain an equal number of coins. What is the least possible number of coins needed for the pockets? (A) 7 (B) 13 (C) 17 (D) 22 (E) 28
单选题Cable-television spokesperson: Subscriptions to cable television are a bargain in comparison to “free” television. Remember that “free” television is not really free. It is consumers, in the end, who pay for the costly advertising that supports “free” television.
Which of the following, if true, is most damaging to the position of the cable-television spokesperson?
单选题When 10 is divided by the positive integer n, the remainder is n-4. Which of the following could be the value of n?
单选题Speakers of the Caronian language constitute a minority of the population in several large countries. An international body has recommended that the regions where Caronian-speakers live be granted autonomy as an independent nation in which Caronian-speakers would form a majority. But Caronian-speakers live in several widely scattered areas that cannot be united within a single continuous boundary while at the same time allowing Caronian-speakers to be the majority population. Hence, the recommendation cannot be satisfied.
The argument relies on which one of the following assumptions?
单选题Extinction is a process that can depend on a variety of ecological, geographical, and physiological variables. These variables affect different species of organisms in different ways, and should, therefore, yield a random pattern of extinction. However, the fossil record shows that extinction occurs in a surprisingly definite pattern, with many species vanishing at the same time.
Which of the following, if true, forms the best basis for at lest a partial explanation of the patterned extinction revealed by the fossil record?
单选题Mouth cancer is a danger, for people who rarely brush their teeth. In order to achieve early detection of mouth cancer in these individuals, a town"s public health officials sent a pamphlet to all town residents, describing how to perform weekly self-examinations of the mouth for lumps.
Which of the following, if true, is the best criticism of the pamphlet as a method of achieving the public health officials" goal?
单选题In order to relieve congestion in the airspace near the airports of a certain country, transportation officials propose sending passengers by new rapid trains between the country"s major airport and several small cities within a 300-mile radius of it. This plan was proposed even though the officials realized that it is the major airport that is congested, not those in the small cities.
The plan to relieve congestion would work best if which of the following were true about the major airport?
单选题Seven countries signed a treaty binding each of them to perform specified actions on a certain fixed date, with the actions of each conditional on simultaneous action taken by the other countries. Each country was also to notify the six other countries when it had completed its action.
The simultaneous-action provision of the treaty leaves open the possibility that
单选题Last year, support for the social and behavioral sciences represented only about three percent of the government"s total budget for research funds in the United States. Thus, the particularly sharp reductions imposed on such programs this year seem dictated not by financial constraints but by social philosophy.
Which of the following is an assumption on which the conclusion of the passage above is based?
单选题A cashier mentally reversed the digits of one customer"s correct amount of change and thus gave the customer art incorrect amount of change. If the cash register contained 45 cents more than it should have as a result of this error, which of the following could have been the correct amount of change in cents?