已选分类
管理学工商管理
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 (A) $3.00 (B) $3.75 (C)$4.50 (D) $5.00 (E) $5.50
单选题当同一栏的指标数值以同一单位计量，而各栏的计量单位不同时，应( )。 A．将其标定在统计表的右上角 B．在横行标题后增列一列计量单位栏，用以标写各行的计量单位 C．将其标定在各纵栏标题的下方或右侧 D．将其标定在统计表的左下角
单选题Acomputergeneratesnon-zeronumbersforthefigureabovesothattheproductofthenumbersalonganyverticalcolumnisequaltotheproductofthenumbersinanyhorizontalrow.Whatnumberdoes8represent?(1)uequals6.(2)tequals2.(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All of the tickets for two real estate seminars, F and G, were either purchased or given away, and the ratio of F tickets to G tickets was 2 to 1. Of the total number of F tickets and G tickets, what percentage was purchased? (1)The total number of F tickets and G tickets is 240. (2)Of the F tickets, exactly 60 percent were purchased, and of the G tickets, exactly 80 percent were purchased.
单选题对某地区工业企业职工进行调查，调查对象是( )。 A．各工业企业 B．该地区工业企业的全体职工 C．该地区全部工业企业 D．每位职工
单选题The United States ranks far behind countries such as Sweden and Canada when it comes to workplace safety. In all three countries, joint labor-management committees that oversee workplace safety conditions have been very successful in reducing occupational injuries. In the United States, such committees are found only in the few companies that have voluntarily established them. However, in Sweden and several Canadian provinces, joint safety committees are required by law and exist in all medium-sized and large workplaces.
Which one of the following is supported by the information above?
单选题The United States is not usually thought of as a nation of parakeet lovers. Yet in a census of parakeet owners in selected comparable countries, the United States ranked second, with eleven parakeet owners per hundred people. The conclusion can be drawn from this that people in the United States are more likely to own parakeets than are people in most other countries.
Knowledge of which of the following would be most useful in judging the accuracy of the conclusion?
单选题Students at a certain university have complained that some of their professors do not provide copies of their lecture notes at every class. The student body president has argued that, in order to further the educational purposes of the university, all professors should be required to post their lecture notes online.
Which of the following, if true, most weakens the students" argument that the professors should be required to post their lecture notes online?
单选题用r2分布进行拟合优度检验时，要求各组的理论频数( )。 A．可取任意值 B．大于0 C．不小于10 D．不小于5
单选题某地区全部商品作为总体，每一商品为总体单位，则该地区全部商品零售额是( )。 A．数量指标 B．品质标志 C．质量指标 D．数量标志
单选题A digital wristwatch was set accurately at 8:30 a.m. and then lost 2 seconds every 5 minutes. What time was indicated on the watch at 6:30 p.m. of the same day if the watch operated continuously until that time? (A) 5:56 (B) 5:58 (C)6:00 (D) 6:23 (E) 6:26
单选题牛奶属于：
单选题A person bought a ticket to a ball game for $15 and later sold the ticket for $60. What was the percent increase in the price of the ticket?
单选题根据变量的类型，定量数列可分为( )。 A．等距数列与异距数列 B．开口组数列与闭口组数列 C．单项数列与组距数列 D．等差数列与等比数列
单选题某工厂2007年比2006年产量增长了10/%，产值增长了20/%，则产品价格提高了( )。 A．10/% B．9.09/% C．100/% D．30/%
单选题If n=p+r, where n, p, and r are positive integers and n is odd, does p equal 2? (1)p and r are prime numbers. (2)r≠2 (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IfthesumofthefirstnpositiveintegersisS，whatisthesumofthefirstnpositiveevenintegers,intermsofS?(A)(B)S(C)2S(D)2S+2(E)4S
单选题A certain packing crate contains between 50 and 60 books. How many books are there in the packing crate? (1)If the books are counted out by three, there will be one book left over. (2)If the books are counted out by sixes, there will be one book left over. (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
在市场上出售危害人身健康的变质商品，应没收物品和非法所得，并处违法销售产品货值金额（ ）以下的罚款。
A、1倍 B、3倍 C、5倍 D、2倍