已选分类
管理学工商管理
单选题下列( )不是在对外贸易统计中按国别统计的内容。 A．按贸易国统计 B．按产销国统计 C．按运输国统计 D．按离岸价格统计
单选题If a certain grove consists of 36 pecan trees, what was the yield per tree last year? (1)The yield per tree for the 18 trees in the northern half of the grove was 60 kilograms last year. (2)The yield per tree for the 18 trees in the eastern half of the grove was 55 kilograms last year. (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If x is an integer, is(x+p)(x+q)an even integer? (1)q is an even integer. (2)p is an even integer.
单选题19．普查是为了某种特定的目的而( )。 A．专门组织的一次性全面调查 B．专门组织的经常性全面调查 C．非专门组织的一次性全面调查 D．非专门组织的经常性全面调查
单选题下列可做乘除运算的是( )。 A．定比数据 B．定名数据 C．定距数据 D．定序数据
单选题在重叠组限的组距分组中遇到某单位的标志值刚好等于相邻两组的组限时( )。 A．将此单位归入上限所在组 B．将此单位归入下限所在组 C．将此单位归入上限或下限所在组均可 D．另行分组
单选题某企业税后净利润为７０万元，所得税率为３０％，利息费用为２０万元，则利息周转倍数为：
单选题房产二级市场供需平衡的指标是( )。 A．需求弹性系数 B．土地需求满足率 C．房产需求满足率 D．房产实际出售量
单选题6．统计表的形式应该是( )。 A．上下不封顶，左右不开口 B．上下要封顶，左右不开口 C．上下要封顶，左右要开口 D．上下不封顶，左右要开口
单选题编制数量指标综合指数时所采用的同度量因素是( )。 A．报告期质量指标 B．基期质量指标 C．数量指标 D．综合指标
单选题进行拟合优度检验，应采用( )。 A．正态分布 B．r2分布 C．t分布 D．F分布
单选题无风险报酬率为 6％，市场上所有股票的平均报酬率为 10％，某种股票的β系数为 2， 则该股票的 报酬率应为：
单选题In each production lot for a certain toy, 25 percent of the toys are red and 75 percent of the toys are blue. Half the toys are size A and half are size B．If 10 out of a lot of 100 toys are red and size A, how many of the toys are blue and size B?
单选题In 1990 all of the people who applied for a job at Evco also applied for a job at Radeco, and Evco and Radeco each offered jobs to half of these applicants. Therefore, every one of these applicants must have been offered a job in 1990.
The argument above is based on which of the following assumptions about these job applicants?
单选题某车间月初工人人数资料如表6-1所示： 表6-1 某车间月初人数数据表 月份 1 2 3 4 5 6 7 月初人数(人) 280 284 280 300 302 304 320 则该车间上半年的平均人数约为( )人。 A．296 B．292 C．295 D．300
单选题某城市四个大超市的日零售额分别为：10万元、12万元、15万元、18万元，则这四个数据是( )。 A．总体单位 B．标志 C．变量 D．变量值
单选题
单选题Scientific research that involves international collaboration has produced papers of greater influence, as measured by the number of times a paper is cited in subsequent papers, than has research without any collaboration. Papers that result from international collaboration are cited an average of seven times, whereas papers with single authors are cited only three times on average. This difference shows that research projects conducted by international research teams are of greater importance than those conducted by single researchers.
Which one of the following is an assumption on which the argument depends?
单选题某县的财政收入2002年较1996年增长了40/%、2003年较1996年增长了52/%，则2003年较2002增长了( )。 A．12/% B．11.6/% C．12.85/% D．8.57/%
单选题In several nineteenth-century paintings the marble buildings of the Acropolis in Athens are portrayed as being reddish, but the buildings do not now appear reddish. The marble"s natural color cannot have changed since the nineteenth century, so the paintings must not be showing the color of the buildings as they actually appeared.
Which of the following, if true, most seriously undermines the argument above?