已选分类
管理学
单选题Acomputergeneratesnon-zeronumbersforthefigureabovesothattheproductofthenumbersalonganyverticalcolumnisequaltotheproductofthenumbersinanyhorizontalrow.Whatnumberdoes8represent?(1)uequals6.(2)tequals2.
单选题按投资与企业生产经营的关系,投资可分为:
单选题On a purchase of $120, a store offered a payment plan consisting of a $20 down payment and 12 monthly payments of $10 each. What percent of the purchase price, to the nearest tenth of a percent, did the customer pay in interest by using this plan? (A) 16.7% (B) 30% (C) 75.8% (D) 106.7% (E)107.5%
单选题若以某市工业企业为总体,则该市工业总产值是( )。 A.总体 B.标志 C.指标 D.变量值
单选题Inthediagramabove,pointsA,B,C,D,andErepresentthefiveteamsinacertainleagueinwhicheachteammustplayeachoftheotherteamsexactlyonce.Thesegmentsconnectingpairsofpointsindicatethatthetwocorrespondingteamshavealreadyplayedtheirgame.Thearrowsonthesegmentspointtotheteamsthatlost;thelackofanarrowonasegmentindicatesthatthegameendedinatie.Afterallgameshavebeenplayed,whichofthefollowingcouldNOTbethepercentofgamesplayedthatendedinatie?
单选题用简单随机重复抽样方法选取样本单位,如果要使抽样平均误差降低50/%,则样本容量需要扩大到原来的( )。 A.2倍 B.3倍 C.4倍 D.5倍
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在市场上,出售国家保护的野生动物或者其产品的,没收违法所得,处以相当于实物价值( )的罚款。
A、1倍以上 B、1—5倍 C、1—10倍 D、10倍以下
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单选题A rectangle with dimensions 75 inches by 100 inches is divided into 20 smaller rectangles. If each new rectangle has equal dimensions, how many inches of lines are needed to divide the original rectangle? (1)One of the dimensions of each of the rectangles is 15 inches. (2)One of the dimensions of each of the rectangles is 25 inches.
单选题Thepositiveintegernisdivisibleby25.Ifisgreaterthan25,whichofthefollowingcouldbethevalueof?(A)22(B)23(C)24(D)25(E)26
单选题Technically a given category of insurance policy is underpriced if, over time, claims against it plus expenses associated with it exceed total income from premiums. But premium income can be invested and will then yield returns of its own. Therefore, an underpriced policy does not represent a net loss in every case.
The argument above is based on which of the following assumptions?
单选题如果一个统计量能把含在样本中有关总体的信息完全提取出来,那么这种统计量称为( )。 A.充分统计量 B.无偏估计量 C.有效统计量 D.一致估计量
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单选题If a motorist had driven 1 hour longer on a certain day and at an average rate of 5 miles per hour faster, he would have covered 70 more miles than he actually did. How many more miles would he have covered than he actually did if he had driven 2 hours longer and at an average rate of 10 miles per hour faster on that day? (A) 100 (B) 120 (C) 140 (D) 150 (E) 160
单选题If r=23·52·7 and s=22·32·5, which of the following is equal to the greatest common divisor of r and s?
单选题In Bassaria a group of that country"s most senior judges has criticized the uniform mandatory sentences recently introduced for certain specific crimes. The judges argue that such sentences, by depriving them of all discretion in setting sentences, make it impossible for them to consider either aggravating or extenuating circumstances and so make it impossible to achieve true justice — the fitting of the severity of the punishment to the gravity of the particular crime.
Which of the following, if true, provides the strongest evidence for the claim that in Bassaria the newly introduced mandatory sentences are not necessarily a change for the worse with respect to achieving true justice as defined in the argument?
单选题在组距分组时,对于连续性变量,相邻两组的组限( )。 A.必须是重叠的 B.必须是间断的 C.可以是重叠的,也可以是间断的 D.必须取整数
单选题8.“统计”一词的基本涵义是( )。 A.统计调查、统计整理、统计分析 B.统计设计、统计分组、统计计算 C.统计方法、统计分析、统计计算 D.统计学、统计工作、统计资料
单选题影响抽样误差大小的因素有多个,N很大时,影响最大的是( )。 A.抽样的方法 B.抽样的组织方式 C.抽样单位数 D.抽样比
单选题The total cost for Company X to produce a batch of tools is $10,000 plus $3 per tool. Each tool sells for $8. The gross profit earned from producing and selling these tools is the total income from sales minus the total production cost. If a batch of 20,000 tools is produced and sold, then Company X's gross profit per tool is
单选题如果回归标准误差Syx=0,则表明( )。 A.全部观测值和回归值都不相等 B.回归值代表性小 C.全部观测值和回归值的离差之积为零 D.全部观测值都落在回归直线上
单选题统计分析报告普遍运用的表达方式是( )。 A.深刻描写 B.论证说明 C.叙述、说明、议论 D.记述、批驳、说明
单选题At 9 a.m, a hiker was due south of point P. What direction was point P from her position at noon? (1)From 9 a.m until 11 a.m she walked due east at 2 miles per hour, and from 11 a. m until noon, she walked due north at 3 miles per hour. (2)At noon, she is exactly 4.5 miles from point P.
单选题Is a+b+C+d equal to 4? (1)a, b, c, and d are each positive. (2)The product abcd equals 1.
单选题在回归分析中,两个变量( )。 A.都是随机变量 B.都不是随机变量 C.自变量是随机变量 D.因变量是随机变量
单选题 Questions 4—5 are based on the following:
Any person who drops out of high school will be unemployed unless he or she
finds a low-paying job or has relatives with good business connections.
单选题If 1<d<2, is the tenths" digit of the decimal representation of d equal to 9?
(1)d+0.01<2
(2)d+0.05>2
单选题IfMarksavedanaverage(arithmeticmean)of$80perweekfor3consecutiveweeks,howmuchdidhesavethesecondweek?(1)TheaverageamountthatMarksavedperweekforthefirst2weekswas$60.(2)TheamountthatMarksavedthefirstweekwastheamounthesavedthesecondweekandtheamounthesavedthethirdWeek.(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Car X and car Y ran a 500-kilometer race, what was the average speed of car X? (1)Car X completed the race in 6 hours and 40 minutes. (2)Car Y, at an average speed of 100 kilometers per hour, completed the race 1 hour and 40 minutes before car X crossed the finish line.
单选题商品销售额实际增加400元,由于销售量增长使销售额增加120元,由于价格( )。 A.增长使销售额增加20元 B.增长使销售额增长280元 C.降低使销售额减少20元 D.降低使销售额减少280元
单选题
执法人员当场收缴的罚款,应当自收缴罚款之日起( ),交至行政机关。
A、当日 B、2日 C、5日 D、7日
单选题Ounce for ounce, blends of different artificial sweeteners match any individual artificial sweetener in sweetening power. When used to sweeten food, blends greatly decrease the likelihood that consumers will exceed acceptable daily intakes for individual sweeteners. Blends should therefore be used, rather than single sweeteners alone, since blends are clearly more healthful, yet equally effective.
The argument above depends on which of the following assumptions?
单选题反映企业科技人员创造力的主要指标是( )。 A.工作时间 B.工作强度 C.劳动效率 D.劳动成果总量
单选题根据个体价格指数和报告期销售额计算的价格总指数是指( )。 A.综合指数 B.加权算术平均指数 C.加权调和平均指数 D.可变构成指数
单选题Playing eighteenth-century music on the instruments of that period provides valuable information about how the music originally sounded. Eighteenth-century instruments cannot be played without being restored, however, and restoring such an instrument destroys all of the information that researchers could obtain from it about eighteenth-century instrument-making techniques.
If the statements above are true, which of the following must be true on the basis of them?
单选题下列调查中,最适合采用重点调查的是( )。 A.了解全国钢铁生产的基本情况 B.了解全国人口总数 C.了解上海市居民家庭的收支情况 D.了解某校学生的学习情况
单选题赞成公司采用低股利支付率股利政策的理论是( )。
单选题Which of the following best completes the passage below?
The unemployment rate in the United States fell from 7.5 percent in 1981 to 6.9 percent in 1986. It cannot, however, be properly concluded from these statistics that the number of unemployed in 1986 was lower than it had been in 1981 because______
单选题PatwillwalkfromintersectionXtointersectionYalongaroutethatisconfinedtothesquaregridoffourstreetsandthreeavenuesshowninthemapabove.HowmanyroutesfromXtoYcanPattakethathavetheminimumpossiblelength?(A)Six(B)Eight(C)Ten(D)Fourteen(E)Sixteen
单选题您是否在使用本公司生产的产品?此问句是( )。 A.态度问句 B.事实问句 C.原因问句 D.开放式问句
单选题If P is a set of integers and 3 is in P, is every positive multiple of 3 in P? (1)If x is in P,then x+3 is in P. (2)If x is in p, then x-3 is in p. (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.
单选题技术引进可以提高企业的技术水平,而衡量技术引进成功与否的唯一标志是( )。 A.产量 B.经济效益 C.工资水平 D.市场份额
单选题If n and p are different positive prime numbers, which of the integers n4, p2, and np has (have) exactly 4 positive divisors?
单选题How many two-element subsets of 1, 2, 3, 4are there that do not contain the pair of elements 2 and 4? (A) One (B) TWO (C) Four (D) Five (E) Six
单选题How many integers between 324,700 and 458,600 have tens digit 1 and units digit 3? (A) 10,300 (B) 10,030 (C) 1,353 (D) 1,352 (E) 1,339
单选题Inthefigureabove,howmanyofthepointsonlinesegmentPQhavecoordinatesthatarebothintegers?
单选题ThediagramaboveshowsthevariouspathsalongwhichamousecantravelfrompointX,whereitisreleased,topointY,whereitisrewardedwithafoodpellet.HowmanydifferentpathsfromXtoYcanthemousetakeifitgoesdirectlyfromXtoYwithoutretracinganypointalongapath?(A)6(B)7(C)12(D)14(E)17
单选题Woodsmoke contains dangerous toxins that cause changes in human cells. Because woodsmoke presents such a high health risk, legislation is needed to regulate the use of open-air fires and wood-burning stoves.
Which of the following, if true, provides the most support for the argument above?
单选题下列数列中属于动态数列的是( )。 A.学生按学习成绩分组形成的数列 B.工业企业按地区分组形成的数列 C.职工按工资水平高低排列形成的数列 D.出口额按时间先后顺序排列形成的数列
单选题下列变量哪个属于连续变量( )。 A.职工人数 B.原煤产量 C.汽车产量 D.居民户数
单选题若因变量随自变量的变动而发生大致均匀的变动,说明两变量之间的关系是( )。 A.正相关 B.负相关 C.直线相关 D.曲线相关
单选题如果一个时间数列的自相关系数出现周期性的变化,每间隔若干个便有一个高峰,表明该时间数列是( )。 A.随机性时间数列 B.平稳性时间数列 C.存在着某种趋势的时间数列 D.季节性时间数列
单选题What is the greatest possible length of a positive integer less than 1,000? (A) 10 (B) 9 (C) 8 (D) 7 (E) 6
单选题甲班学生平均成绩85分,标准差9.5分,乙班学生平均成绩75分,标准差8.5分,则( )。 A.甲班学生平均成绩代表性好一些 B.乙班学生平均成绩代表性好一些 C.无法比较哪个班学生平均成绩代表性好 D.两个班学生平均成绩代表性一样
单选题下列( )能反映商品供应量满足需求商品程度。 A.商品供需差额 B.商品供需比率 C.商品供需差率
单选题Sue is now 10 years younger than Jane. If in 5 years, Jane will be twice as old as Sue, how old will Sue be in 3 years? (A) 6 (B) 8 (C) 11 (D) 14 (E)18
单选题The pages of a report are numbered consecutively from 1 to 10. If the sum of the page numbers up to and including page number z of the report is equal to one more than the sum of the page numbers following page number x, then x= (A) 4 (B) 5 (C) 6 (D) 7 (E) 8
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单选题What percent of the employees of Company X are technicians? (1)Exactly 40 percent of the men and 55 percent of the women employed by Company X are technicians. (2)At Company X, the ratio of the number of technicians to the number of nontechnicians is 9 to 11.
单选题5,6,7三个数的几何平均数( )。 A.大于6 B.小于6 C.等于6 D.等于5
单选题已知近年的环比增长速度为7.5/%,9.5/%,6.2/%,4.9/%,则定基增长速度为( )。 A.7.5/%×9.5/%×6.2/%×4.9/% B.7.5/%×9.5/%×6.2/%×4.9/%-1 C.107.5/%×109.5/%×106.2/%×104.9/%-1 D.107.5/%×109.5/%×106.2/%×104.9/%
单选题ThediagramaboveshowsthevariouspathsalongwhichamousecantravelfrompointX,whereitisreleased,topointY,whereitisrewardedwithafoodpellet.HowmanydifferentpathsfromXtoYcanthemousetakeifitgoesdirectlyfromXtoYwithoutretracinganypointalongapath?
单选题如果某一长期投资项目的净现值为负数,则说明该项目( )
单选题If x, y, and z are single-digit integers and 100(x)+1,000(y)+10(z)=N, what is the units' digit of the number N? (A) 0 (B) 1 (C) x (D) y (E) z
单选题The wild mouflon sheep of the island of Corsica are direct descendants of sheep that escaped from domestication on the island 8,000 years ago. They therefore provide archaeologists with a picture of what some early domesticated sheep looked like, before the deliberate selective breeding that produced modern domesticated sheep began.
The argument above makes which of the following assumptions?
单选题The fossil record shows that the climate of North America warmed and dried at the end of the Pleistocene period. Most of the species of large mammals then living on the continent became extinct, but the smaller mammalian species survived.
Which of the following, if true, provides the best basis for an explanation of the contrast described above between species of large mammals and species of small mammals?
单选题某钢铁企业通过收购一家大型铁矿石企业获得对后者的控制,同时使企业得到更快速的发展,该 种增长战略被称为:
单选题Cars X and Y were traveling together on a straight road at a constant speed of 55 miles per hour when car X stopped for 5 minutes. If car Y continued to travel at 55 miles per hour, how many minutes from the time that car X resumed traveling did it take car X traveling at 60 miles per hour to catch up with car Y? (Assume that the time for car X to slow down and speed up was negligible.) (A) 5 (B) 30 (C) 45 (D) 55 (E) 60
单选题On Saturday Melvin suggested that Jerome take the following week off from work and accompany him on a trip to the mountains. Jerome refused, claiming that he could not afford the cost of the trip added to the wages he would forfeit by taking off without notice. It is clear, however, that cost cannot be the real reason, for Jerome"s unwillingness to go with Melvin to the mountains, since he makes the same excuse every time. Melvin asks him to take an unscheduled vacation regardless of where Melvin propose to go.
The reasoning is most vulnerable to which one of the following criticisms?
单选题P值可显示检验统计量值在一定范围内出现的概率,对于单侧检验,将P值与给定的显著性水平α相比,决策准则是 A.当P值≥α时,拒绝原假设 B.当P值<α时,拒绝原假设 C.当P值>1-α时,接受原假设 D.当P值<1-α时,接受原假设
单选题One way to judge the performance of a company is to compare it with other companies. This technique, commonly called “benchmarking,” permits the manager of a company to discover better industrial practices and can provide a justification for the adoption of good practices.
Any of the following, if true, is a valid reason for benchmarking the performance of a company against companies with which it is not in competition rather than against competitors EXCEPT:
单选题If,wherepandqarenonzerointegers,isnaninteger?(1)n2isaninteger.(2)isaninteger.(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.
单选题统计分析报告的编写,其标题要( )。 A.严谨、分明、清晰 B.确切、简明、有吸引力 C.突出、正确、鲜明、集中 D.简短、精悍、形式新
单选题加权算术平均数数量指标指数中的权数为( )。 A.p0q0 B.p1q1 C.p1q0 D.p0q1
单选题Consumer income reports produced by the government distinguish between households and families by means of the following definition: “A family is a household containing a householder and at least one person related to the householder.” Except for the homeless and people in group living quarters, most people live in households.
According to the definition above, which of the following must be true?
单选题Some people assert that prosecutors should be allowed to introduce illegally obtained evidence in criminal trials if the judge and jury can be persuaded that the arresting officer was not aware of violating or did not intend to violate the law while seizing the evidence. This proposed "good-faith exception" would weaken everyone"s constitutional protection, lead to less careful police practices, and promote lying by law enforcement officers in court.
The argument above for maintaining the prohibition against illegally obtained evidence assumes that
单选题当方差膨胀因子VIF大于5时,可认为( )。 A.自变量之间存在较高的相关关系 B.自变量之间不存在较高的相关关系 C.因变量与自变量之间存在较高的相关关系 D.因变量与自变量之间不存在较高的相关关系
单选题TOTALEXPENSESFORTHEHVEDIVISIONSOFCOMPANYHThefigureaboverepresentsacirclegraphofCompanyH'stotalexpensesbrokendownbytheexpensesforeachofitsfivedivisions.IfOisthecenterofthecircleandifCompanyH'stotalexpensesare$5,400,000,whataretheexpensesfordivisionR?(1)x=94(2)ThetotalexpensesfordivisionsSandTaretwiceasmuchastheexpensesfordivisionR.
单选题标准差系数消除了( )。 A.指标数值大小的影响 B.总体单位数多少的影响 C.标志变异程度的影响 D.平均水平高低的影响
单选题Shortly after the Persian Gulf War, investigators reported that the area, which had been subjected to hundreds of smoky oil fires and deliberate oil spills when regular oil production slowed down during the war displayed less oil contamination than they had witnessed in prewar surveys of the same area. They also reported that the levels of polycyclic aromatic hydrocarbons (PAHs)—used as a marker of combustion products spewed from oil wells ignited during the war—were also relatively low, comparable to those recorded in the temperate oil-producing areas of the Baltic Sea.
Which one of the following, if true, does most to resolve the apparent discrepancy in the information above?
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单选题下列关系中,属于正相关关系的有( )。 A.合理限度内,施肥量和平均亩产量之间的关系 B.产品产量与单位产品成本之间的关系 C.商品的流通费用与销售利润之间的关系 D.流通费用率与商品销售量之间的关系
单选题处于正态分布概率密度函数与横轴之间并且大于均值部分的面积为( )。 A.大于0.5 B.-0.5 C.1 D.0.5
单选题根据分析方法的不同,统计学的两大基本内容是( )。 A.统计资料的收集和分析 B.理论统计和运用统计 C.统计预测和决策 D.描述统计和推断统计
单选题Which of the following, if true, best completes the argument below?
Comparisons of the average standards of living of the citizens of two countries should reflect the citizens" comparative access to goods and services. Reliable figures in a country"s own currency for the average income of its citizens are easily obtained. But it is difficult to get an accurate comparison of average standards of living from these figures, because______
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.
单选题下列( )不是房地产租赁经营计划考核的主要指标。 A.房屋计划(实际)出租率 B.开发建房计划完成率 C.房屋出租计划完成率 D.欠租收交率
单选题ThediagramaboveshowsthevariouspathsalongwhichamousecantravelfrompointX,whereitisreleased,topointY,whereitisrewardedwithafoodpellet.HowmanydifferentpathsfromXtoYcanthemousetakeifitgoesdirectlyfromXtoYwithoutretracinganypointalongapath?
单选题下列情况中,最适用非参数统计方法的是( )。 A.反映两个大学入学新生的成绩差别 B.反映两个大学毕业生英语六级考试合格率的差别 C.反映两个大学四年级学生对就业前景看法的差别 D.反映两个大学在校学生平均月支出的差别
单选题某厂生产的化纤纤度服从正态分布N(μ,σ2)。现测得25根纤维的纤度的均值为1.39,如果要检验这些纤维的纤度与原设计的标准值1.40有无显著差异,则合理的零假设与备择假设应为: A.H0:μ>1.40 H1:μ<1.40 B.H0:μ<1.40 H1:μ>1.40 C.H0:μ≥1.40 H1:μ<1.40 D.H0:μ=1.40 H1:μ≠1.40
单选题某工厂定期购买一种原料.已知该厂每天需用该原料6吨,每吨价格1800元,原料的保管等费用平均每天每吨3元,每次购买原料需支付运费900元.若该厂要使平均每天支付的总费用最省,则应该每( )天购买一次原料.
单选题4.若要了解某地区居民收入水平,则采用( )方式比较适合。 A.普查 B.重点调查 C.统计报表制度 D.抽样调查
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单选题对一批商品进行质量检验,最适宜采用的调查方法是( )。 A.全面调查 B.抽样调查 C.典型调查 D.重点调查
单选题Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into a hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 10? (A) Three (B) Four (C) Five (D) Six (E) Seven
单选题根据70/%的抽样资料,甲产品的一级品比例为30/%,乙产品的一级品比例为20/%,在所抽样产品数相等的条件下,一级品比例抽样误差( )。 A.甲产品较大 B.乙产品较大 C.相同 D.无法作出结论
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How many of the integers between 25 and 45 are even? (A) 21 (B) 20 (C) 11 (D) 10 (E) 9
单选题WhatfractionalpartofthetotalsurfaceareaofcubeCisred?(1)Eachof3facesofcisexactlyred.(2)Eachof3facesofCisentirelywhite.(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
下列商品中,进行广告宣传时不需要进行行政性审查的是:( )
A、药品 B、医疗器械 C、农药﹑兽药 D、各种电器
单选题Amandrovehisautomobiled1kilometersattherateofr1kilometersperhourandanadditionald2kilometersattherateofr2kilometersperhour.Intermsofd1,d2,r1,r2,whatwashisaveragespeed,inkilometersperhour,fortheentiretrip?(E)Itcannotbedeterminedfromtheinformationgiven.
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Town T has 20,000 residents, 60 percent of whom are female. What percent of the residents were born in Town T? (1)The number of female residents who were born in Town T is twice the number of male residents who were not born in Town T. (2)The number of female residents who were not born in Town T is twice the number of male residents who were born in Town T.
单选题 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 statements
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 A. Statement (1) ALONE is sufficient, but statement (2)
alone is not sufficient. B. Statement (2) ALONE is sufficient,
but statement (1) alone is not sufficient. C. BOTH statements
TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient. E. Statements (1)
and (2) TOGETHER are NOT sufficient.
单选题How many two-digit whole numbers yield a remainder of 1 when divided by 10 and also yield a remainder of 1 when divided by 6? (A) None (B) One (C) TWO (D) Three (E) Four
单选题下列指标属于质量指标的是( )。 A.企业职工总数 B.企业总产值 C.企业利税总额 D.企业劳动生产率
单选题9.要了解某市工业企业生产设备情况,则统计总体是( )。 A.该市全部工业企业 B.该市每一个工业企业 C.该市工业企业的某一台设备 D.该市工业企业的全部生产设备
单选题企业支付的产品广告费属于()
单选题Inacertainsequence,thefirsttermis1,andeachsuccessivetermis1morethanthereciprocalofthetermthatimmediatelyprecedesit.Whatisthefifthtermofthesequence?
单选题 Brand X Brand Y Miles per Gallon 40 36 Cost per Gallon $0.80 $0.75 The table above gives the gasoline costs and consumption rates for a certain car driven at 50 miles per hour, using each of two brands of gasoline. How many miles further can the car be driven at this speed on $12 worth of brand X gasoline than on $12 worth of brand Y gasoline?
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?
单选题回归直线拟合的好坏取决于SSR、SSE及SST的大小,其关系是 A.SSR/SST越大,直线拟合得越好 B.SSR/SST越小,直线拟合得越好 C.SSE越大,直线拟合得越好 D.SST越大,直线拟合得越好
单选题Amy's graduate seminar in history meets once each week, on Thursday afternoons. If it met every Thursday in the month of May, how many times did the seminar meet that month? (1)There were five Wednesdays in the month. (2)The seventeenth of May was a Friday. (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Human beings can see the spatial relations among objects by processing information conveyed by light. Scientists trying to build computers that can detect spatial relations by the same kind of process have so far designed and built stationary machines. However, these scientists will not achieve their goal until they produce such a machine that can move around in its environment.
Which of the following, if true, would best support the prediction above?
单选题Whatisthecircumferenceofthecircleabove?(1)ThelengthofarcXYZis18.(2)r=s
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 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.
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Inacertainformula,pisdirectlyproportionaltosandinverselyproportionaltor.Ifp=1whenr=-0.5ands=2,whatisthevalueofpintermsofrands?
单选题How many integers 72 greater than 10 and less than 100 are there such that, if the digits of n are reversed, the resulting integer is n+9?
单选题
对赞助体育比赛、文艺演出等大型活动的企业,在广告宣传中不得使用“指定产品(商品)”,可使用( )。
A、“×××组委会指定产品(商品)”
B、“×××活动指定赞助商(商品)”
C、“×××活动赞助商(商品)”
D、“×××活动认可产品(商品)”
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
单选题以下哪项不是主要的战略控制类型:
单选题
单选题下列表述不正确的是( )。 A.统计表应该注明时间限制 B.统计表应该注明空间限制 C.统计表应该注明计量单位 D.统计表各栏必须编号
单选题
国有独资公司的董事会成员兼任经理的,需要提交( )同意的文件。
A、董事会 B、监事会 C、股东 D、出资人
单选题若n=20,∑x=200,∑x2=2080,则标准差为( )。 A.2 B.4 C.1.5 D.3
单选题Inthefigureabove,acircleisinscribedinasquarewithsidebandasquarewithsideaisinscribedinthecircle.Whatistheareaofthesquarewithsideb?(1)a=4(2)Theradiusofthecircleis.
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?
单选题一个国家的粮食产量与全国人口数之比,是( )。 A.结构相对指标 B.比例相对指标 C.强度相对指标 D.比较相对指标
单选题以下属于纵向并购的优点的是( )
单选题综合统计分析报告的主要特点是( )。 A.全面性、系统性和综合性 B.要有很强的时效性 C.要有很强的针对性 D.要有严谨的逻辑性
单选题宾词栏中的各个分组标志彼此分开进行平行排列的是( )。 A.平行配置 B.层叠配置 C.复合配置 D.分组配置
单选题Thefunction*isdefinedbytheequation,wherea≠b.Whichofthefollowinghasavalueof3?
单选题根据整体产品概念,以下哪一项属于形式产品?
单选题五数中不包括( )。 A.最小值 B.第一四分位数 C.中位数 D.平均数
单选题通过揭示组织形成、生存和发展的内在必然性探讨管理原理和方法的流派是:
单选题下列属于负相关关系的是( )。 A.身高和体重 B.正常商品的价格与供给量 C.产量与单位成本 D.广告费用与销售收入
单选题What is the least number of digits (including repetitions) needed to express 10100 in decimal notation?
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Which of the following, if true, would most strengthen the labor leaders" claim concerning the manufacturing industry in Alameda?
单选题编制数量指标指数时一般应以( )作同度量因素。 A.报告期的质量指标 B.基期的质量指标 C.报告期的数量指标 D.基期的数量指标
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.
单选题某地区工业企业职工为总体,下面( )是指标。 A.该地区工业企业每名职工的工资额 B.该地区工业企业职工的文化程度 C.该地区工业企业职工的工资总额 D.该地区工业企业职工从事的工种
单选题要研究某市工业企业生产设备使用情况,总体是( )。 A.该市全部工业企业 B.该市全部工业企业每一台设备 C.该市每个工业企业 D.该市工业企业的全部生产设备
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
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
单选题如果箱线图中中位数的位置在右侧,则数据的分布为 A.右偏分布 B.左偏分布 C.正态分布 D.对称分布
单选题绘制茎叶图的关键是 A.设计好树茎 B.设计好树叶 C.统计数据个数 D.保留原始数据
单选题The market value of a certain machine decreased by 30 percent of its purchase price each year. If the machine was purchased in 1982 for its market value of $8,000, what was its market value two years later? (A) $8,000 (B) $5,600 (C) $3,200 (D) $2,400 (E) $800
