已选分类
管理学工商管理
单选题指数多因素分析，各影响因素在排序时，一般( )。 A．数量指标在前，质量指标在后 B．质量指标在前，数量指标在后 C．有时数量指标在前，有时质量指标在前 D．哪一个指标在前都无所谓
单选题3.2□△6 If □ and △ each represent single digits in the decimal above, what digit does □ represent? (1)When the decimal is rounded to the nearest tenth, 3.2 is the result. (2)When the decimal is rounded to the nearest hundredth, 3.24 is the result.
单选题Pam and Ed are in a line to purchase tickets. How many people are in the line? (1)There are 20 people behind Pare and 30 people in front of Ed. (2)There are 5 people between Pam and Ed.
单选题年劳动生产率x(千元)和工人工资y(元)的关系为：y=10+70x，这意味着年劳动生产率每提高1千元时，工人工资平均( )元。 A．增加70 B．减少70 C．增加80 D．减少80
单选题抽样调查的主要目的是( )。 A．随机抽取样本单位 B．对调查单位作深入研究 C．计算和控制抽样误差 D．用样本指标来推算或估计总体指标
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. (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
单选题The inside dimensions of a rectangular wooden box are 6 inches by 8 inches by 10 inches. A cylindrical cannister is to be placed inside the box so that it stands upright when the closed box rests on one of its six faces. Of all such cannisters that could be used, what is the radius, in inches, of the one that has maximum volume?
单选题若所要调查的各个单位没有很明显的差异，则不适合采用( )方式。 A．普查 B．重点调查 C．统计报表制度 D．抽样调查
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.
单选题甲公司与乙公司合并，甲公司存续，乙公司消失，这种并购方式被称为：
单选题甲、乙两组工人的平均日产量分别为20件和16件。若两组工人的平均日产量不变，但是甲组工人数占两组工人总数的比重下降，则两组工人总平均日产量会( )。 A．下降 B．上升 C．不变 D．可能上升，也可能下降
单选题下列( )指标是根据不同的期限分别加以统计，来反映指定银行之间远期外汇交易过程中发生的卖超或买超时银行之间的调剂情况，进一步反映外汇需求的动向。 A．报告期外汇市场指定银行之间的外汇交易额 B．报告期外汇市场外汇交易总额 C．报告期外汇市场即期外汇交易额 D．报告期外汇市场远期外汇交易额
单选题Company R's annual profit has increased by a constant amount each calendar year since 1985. What was Company R's annual profit in 1991? (1)In 1985 Company R's annual profit was $212.000; in 1989 Company R's annual profit was $242,000. (2)Company R's annual profit has increased by $7,500 each year since 1985.
单选题One night 18 percent of the female officers on a police force were on duty. If 180 officers were on duty that night and half of these were female officers, how many female officers were on the police force? (A) 90 (B) 180 (C) 270 (D) 500 (E) 1,000
单选题Ifnisaninteger,isaninteger?(1)isaninteger.(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．
单选题进行曼—惠特尼U检验时，一般选择( )作为检验统计量。 A．较小的U值 B．较大的U值 C．平均的U值 D．任意的U值
单选题
单选题A breakfast that consists of 1 ounce of corn puffs and 8 ounces of fruit X provides 257 calories. When 8 ounces of fruit Y is substituted for the 8 ounces of fruit X, the total number of calories is reduced to 185. If fruit X provides 1.8 times as many calories as fruit Y, how many calories does 8 ounces of fruit Y alone provide? (A) 11.25 (B) 72 (C) 90 (D) 95 (E) 129.6
单选题If,then