已选分类
管理学工商管理
单选题AnairlinepassengerisplanningatripthatinvolvesthreeconnectingflightsthatleavefromAirportsA,B,andC,respectively.ThefirstflightleavesAirportAeveryhour，beginningat8:00a.m.,andarrivesatAirportBhourslater.ThesecondflightleavesAirportBevery20minutes,beginningat8:00a.m.,andarrivesatAirportChourslater.ThethirdflightleavesAirportCeveryhour,beginningat8.45a.m.Whatistheleasttotalamountoftimethepassengermustspendbetweenflightsifallflightskeeptotheirschedules?
单选题A pyramidal-shaped box to protect a plant is constructed with 4 lateral faces and an open bottom. What is the lateral area of the box? (1)The base of the pyramid is a polygon with all sides of equal length, and the perimeter of the base is 1 meter. (2)The 1ateral faces are isosceles triangles that have the same size and shape.
单选题An examination of corruption provides the basis for rejecting the view that an exact science of society can ever be constructed. As with all other social phenomena that involve deliberate secrecy, it is intrinsically impossible to measure corruption, and this is not merely due to the fact that social science has not yet reached its goal, achievable to be sure, of developing adequate quantifying techniques. If people were ready to answer questions about their embezzlements and bribes, it would mean that these practices had acquired the character of legitimate, taxable activities and had ceased to be corrupt. In other words, corruption must disappear if it is to be measurable.
Which one of the following most accurately states a hidden assumption that the author must make in order to advance the argument above?
单选题A circular peg is to be placed in a square hole. What is the perimeter of the hole? (1)The radius of the peg is 4 centimeters． (2)Each edge of the hole is tangent to the peg.
单选题Police statistics have shown that automobile antitheft devices reduce the risk of car theft, but a statistical study of automobile theft by the automobile insurance industry claims that cars equipped with antitheft devices are, paradoxically, more likely to be stolen than cars that are not so equipped:
Which one of the following, if true, does the most to resolve the apparent paradox?
单选题In the aftermath of a worldwide stock-market crash, Country T claimed that the severity of the stock-market crash it experienced resulted from the accelerated process of denationalization many of its industries underwent shortly before the crash.
Which of the following, if it could be carried out, would be most useful in an evaluation of Country T"s assessment of the causes of the severity of its stock-market crash?
单选题Is x3 equal to 125? (1)x＞4 (2)x＜6
单选题Are there exactly 3 distinct symbols used to create the code words in language Q? (1)The set of all code words in language Q is the set of all possible distinct horizonal arrangements of one or more symbols, with no repetition. (2)There are exactly 15 code words in language Q.
单选题All trainees in a certain aviator training program must take both a written test and a flight test, If 70 percent of the trainees passed the written test, and 80 percent of the trainees passed the flight test, what percent of the trainees passed both tests? (1)10 percent of the trainees did not pass either test. (2)20 percent of the trainees passed only the flight test. (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A certain club has 237 local branches, one national office, and one social service office. If each local branch has 2 officers, and each of the two other offices has 4 officers, how many officers does the club have altogether?
单选题At a certain state university last term, there were p students each of whom paid either the full tuition of x dollars or half the full tuition. What percent of the tuition paid by the p students last term was tuition from students who paid the full tuition? (1)Of the P students, 20 percent paid the full tuition. (2)The p students paid a total of $91.2 million for tuition last term.
单选题If a, b, and c are integers, is the number 3 (a+b)-c divisible by 3? (1)a+b is divisible by 3. (2)c is divisible by 3. (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Questionsrefertothefollowinggraphs.BREAKDOWNOFCOSTTOCONSUMERFORTHEPRODUCTIONOF6OUNCESOFFROZENORANGEJUICE
单选题Thefigureaboveshowsthepresentpositiononaradarscreenofasweepingbeamthatisrotatingataconstantrateinaclockwisedirection.Inwhichofthefourquadrantswillthebeamlie30secondsfromnow?(1)Ineach30-secondperiod,thebeamsweepsthrough3.690°(2)r=40
单选题In Swartkans territory, archaeologists discovered charred bone fragments dating back 1 million years. Analysis of the fragments, which came from a variety of animals, showed that they had been heated to temperatures no higher than those produced in experimental campfires made from branches of white stinkwood, the most common tree around Swartkans.
Which of the following, if true, would, together with the information above, provide the best basis for the claim that the charred bone fragments are evidence of the use of fire by early hominids?
单选题At the Shadybrook dog kennel, all the adult animals were given a new medication designed to reduce a dog"s risk of contracting a certain common infection. Several days after the medication was administered, most of the puppies of these dogs had elevated temperatures. Since raised body temperature is a side effect of this medication, the kennel owner hypothesized that the puppies elevated temperatures resulted from the medication"s being passed to them through their mothers" milk.
Which of the following, if true, provides the most support for the kennel owner"s hypothesis?
单选题Atotalof774doctoratesinmathematicsweregrantedtoUnitedStatescitizensbyAmericanuniversitiesinthe1972～1973schoolyear,andWofthesedoctoratesweregrantedtowomen.Thetotalofsuchdoctoratesinthe1986～1987schoolyearwas362,andωoftheseweregrantedtowomen.IfthenumberofdoctoratesinmathematicsgrantedtofemalecitizensoftheUnitedStatesbyAmericanuniversitiesdecreasedfromthe1972～1973schoolyeartothe1986～1987schoolyear,wasthedecreaselessthan10percent?(1)(2)W=ω+5(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A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactly equal to the time interval between strokes. At 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds elapse between the beginning of the first stroke and the end of the last stroke? (A) 72 (B) 50 (C) 48 (D) 46 (E) 44
单选题How many people are directors of both Company K and Company R? (1)There were 17 directors present at a joint meeting of the directors of Company K and Company R, and no directors were absent, (2)Company K has 12 directors and Company R has 8 directors. (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Spiders of many species change color to match the pigmentation of the flowers they sit on. The insects preyed on by those spiders, unlike human beings, possess color discrimination so acute that they can readily see the spiders despite the seeming camouflage. Clearly, then, it must be in evading their own predators that the spiders" color changes are useful to them.
Which of the following, if tree, most strengthens the argument?