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紫光恒越 UNIS F1000-CN60[F1000-CN80]防火墙安装指导说明书

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前言本安装指导共分为六章，包括安装前的准备工作、安装设备、登录设备、硬件更换、硬件管理及维护、常见故障处理。

前言部分包含如下内容：•读者对象•本书约定•资料意见反馈读者对象本手册主要适用于如下工程师：•网络规划人员•现场技术支持与维护人员•负责网络配置和维护的网络管理员本书约定1. 命令行格式约定格式意义粗体命令行关键字（命令中保持不变、必须照输的部分）采用加粗字体表示。

斜体命令行参数（命令中必须由实际值进行替代的部分）采用斜体表示。

[ ] 表示用“[ ]”括起来的部分在命令配置时是可选的。

{ x | y | ... }表示从多个选项中仅选取一个。

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[ x | y | ... ] *表示从多个选项中选取一个、多个或者不选。

&<1-n>表示符号&前面的参数可以重复输入1～n次。

为QuidwayS3300系列交换机配置指南-vlan配置

目录3 VLAN配置3.1 VLAN简介3.1.1 VLAN概述3.1.2 VLAN划分3.1.3 S-switch支持的VLAN特性3.1.4 配置任务的逻辑关系3.2 创建VLAN3.2.1 建立配置任务3.2.2 （可选）创建单个VLAN3.2.3 （可选）批量创建VLAN3.2.4 检查配置结果3.3 将接口加入VLAN3.3.1 建立配置任务3.3.2 （可选）将Access类型接口加入VLAN3.3.3 （可选）将Trunk类型接口加入VLAN3.3.4 （可选）将Hybrid类型接口加入VLAN3.3.5 （可选）将QinQ类型接口加入VLAN3.3.6 （可选）将接口批量加入VLAN3.3.7 检查配置结果3.4 配置VLANIF接口3.4.1 建立配置任务3.4.2 创建VLANIF接口3.4.3 配置VLANIF接口的IP地址3.4.4 （可选）配置VLANIF接口的MAC地址3.4.5 （可选）配置VLANIF接口的MTU3.4.6 检查配置结果3.5 配置基于MAC地址的VLAN划分3.5.1 建立配置任务3.5.2 关联MAC地址和VLAN3.5.3 允许基于MAC地址的VLAN通过当前接口3.5.4 使能基于MAC地址划分VLAN的功能3.5.5 （可选）配置VLAN匹配的优先级3.5.6 检查配置结果3.6 配置基于协议的VLAN划分3.6.1 建立配置任务3.6.2 配置基于协议的VLAN划分，并指定协议模板3.6.3 允许基于协议的VLAN通过当前接口3.6.4 关联协议和VLAN3.6.5 检查配置结果3.7 配置基于IP子网的VLAN划分3.7.1 建立配置任务3.7.2 关联IP子网和VLAN3.7.3 允许基于IP子网的VLAN通过当前接口3.7.4 使能基于IP子网划分VLAN的功能3.7.5 检查配置结果3.8 配置管理VLAN3.8.1 建立配置任务3.8.2 配置管理VLAN功能3.8.3 检查配置结果3.9 配置举例3.9.1 配置S-switch干道链路示例3.9.2 配置IP子网VLAN示例3.9.3 配置VLAN综合示例插图目录图3-1接口批量加入VLAN组网图图3-2配置S-switch干道链路组网图图3-3配置IP子网VLAN组网图图3-4配置VLAN综合组网图表格目录表3-1 IP子网配置数据3 VLAN配置介绍了VLAN的基本知识、配置方法和配置实例。

ASQ CQE (考试题目与答案)

Study Questions and Answers This material is protected under United States copyright laws. It may not be reproduced, transmitted ordistributed in any form without the express written consent of Carl Nocera.Copyright © 2004 by Carl D. Nocera. All rights reserved.Produced in the United States of America.QREVIEW STUDY QUESTIONS and ANSWERSBasic Quality Concepts 1Basic Probability 7Statistics 15 Statistical Inference 23Sampling 27 Control Charts 31Reliability 35 Regression and Correlation 37Cost of Quality 39Design of Experiments 43Metrology and Calibration 47Answer Sheet 49Basic Quality Concepts 1 QREVIEW STUDY QUESTIONSINTRODUCTIONThe following questions include key concepts which are representative of the CQE examination. Each question should be worked out as completely as possible before looking at the answer. Some questions have been taken from previously published ASQ CQE exams.BASIC QUALITY CONCEPTS1. In many companies, what is generally the weakest link in the quality auditingprogram?a) Audit reportingb) Follow-up of corrective action implementationc) Scheduling of auditsd) Inadequate audit checklists2. A quality control program is considered to bea) a collection of quality control procedures and guidelines.b) a step by step list of all quality control check points.c) a summary of company quality control policies.d) a system of activities to provide quality of products and services.3. The "quality function" of a company is best described asa) the degree to which the company product conforms to a design or specification.b) that collection of activities through which "fitness for use" is achieved.c) the degree to which a class or category of product possesses satisfaction forpeople generally.d) All of the above.4. In preparing a product quality policy for your company, you should do all of the followingexcepta) specify the means by which quality performance is measured.b) develop criteria for identifying risk situations and specify whose approval isrequired when there are known risks.c) include procedural matters and functional responsibilities.d) state quality goals.2 QReview Study Questions5. What natural phenomenon created the necessity to control product and process quality?a) Gravityb) Variationc) Human Errord) Management6. The three basic elements of a quality system area) Quality Management, Purchasing and Document Controlb) Quality Management, Quality Control and Quality Assurancec) SPC, Inspection and Quality Assuranced) Quality Control, Quality Costs and Control Charts7. What are the two basic categories of quality?a) Design and Conformance Qualityb) Good and Bad Qualityc) Defective and Non-Defective Qualityd) Attribute and Variable Quality8. The Law of Large Numbers states thata) individual occurrences are predictable and group occurrences are unpredictable.b) group data always follows a normal pattern.c) individual occurrences are unpredictable and group occurrences are predictable.d) the standard deviation of group data will always be greater than ten.9. Statistical quality control is best described asa) keeping product characteristics within certain bounds.b) calculating the mean and standard deviation.c) the study of the characteristics of a product or process, with the help of numbers,to make them behave the way we want them to behave.d) the implementation of ISO 9000.10. Which of the following is the most important element in Statistical Quality Control?a) The Feedback Loopb) Make Operationc) Inspectiond) Quality of Incoming MaterialBasic Quality Concepts 311. When measurements are accurate and precise,a) the data are distributed randomly throughout the entire range.b) the data are clustered closely around the central value.c) minimum variation will exist.d) the data are normally distributed.12. All of the following are included in a quality system excepta) document control.b) corrective action.c) management responsibility.d) employee salaries.13. Which of the following best describes a statistical distribution?a) A model that shows how data are distributed over a range of measurements.b) An Analysis of Variance table.c) A sampling plan.d) A graph that contains data plotted on a normal curve.14. Which of the following are two types of data used in statistical quality control?a) Design and Conformance Datab) Precise and Accurate Datac) Variables and Attributes Datad) Mean and Variance Data15. The primary reason for evaluating and maintaining surveillance over a supplier's qualityprogram is toa) perform product inspection at source.b) eliminate incoming inspection cost.c) motivate suppliers to improve quality.d) make sure the supplier's quality program is functioning effectively.16. Which one of the following are ISO 9001 requirements?a) Process Flow Chartb) Quality Manualc) Operations Manuald) TQM Program4 QReview Study Questions17. Which of the following does not generate product-quality characteristics?a) Designerb) Inspectorc) Machinistd) Equipment engineer18. Incoming material inspection is based most directly ona) design requirements.b) purchase order requirements.c) manufacturing requirements.d) customer use of the end product.19. The acronym ISO meansa) International Standards Organization.b) Internal Service Organization.c) equal.d) third party auditing organization.20. Products should be subjected to tests which are designed toa) demonstrate advertised performance.b) demonstrate basic function at minimum testing cost.c) approximate the conditions to be experienced in customer's application.d) assure that specifications are met under laboratory conditions.21. The advantage of a written procedure isa) it provides flexibility in dealing with problems.b) unusual conditions are handled better.c) it is a perpetual coordination device.d) coordination with other departments is not required.22. In spite of the Quality Engineer's best efforts, situations may develop in which hisdecision is overruled. The most appropriate action would be toa) resign from the position based upon convictions.b) report findings to an outside source such as a regulatory agency or the press.c) document findings, report them to superiors and move on the next assignment.d) discuss findings with co-workers in order to gain support, thereby forcing action.Basic Quality Concepts 523. If a test data does not support a Quality Engineer's expectations, the best thing to do isa) adjust the data to support expectations if it is only slightly off.b) draw the expected conclusion omitting the data not supporting it.c) re-evaluate the expectations of the test based upon the data.d) report the data and expected conclusion with no reference to one another.24. In case of conflict between contract specifications and shop practice,a) arbitration is necessary.b) the customer is always right.c) good judgment should be exercised.d) contract specifications normally apply.25. A quality audit program should begin witha) a study of the quality documentation system.b) an evaluation of the work being performed.c) a report listing findings, the action taken and recommendations.d) a charter of policy, objectives and procedures.26. Selection of auditors shall ensure thata) auditors are completely independent from the organization being audited.b) management is aware of the audit activities.c) auditors do not audit their own work.d) auditors are trained.27. Analysis of data on all product returns is important becausea) failure rates change with length of product usage.b) changes in design and in customer use are often well reflected.c) immediate feedback and analysis of product performance becomes available.d) All of the above.28. All of the following are considerations when a total quality management (TQM) programis implemented excepta) the use of statistical tools and techniques.b) a program of continuous quality improvement.c) the manager responsible for product quality.d) total involvement from management to production associates.6 QReview Study Questions29. According to Juran, all of the following are widespread errors in perception that have ledmany managers astray excepta) the work force is mainly responsible for the company's quality problems.b) workers could do quality work but they lack the motivation to do so.c) quality will get top priority if upper management so decrees.d) return on investment is everything.30. An essential technique in making training programs effective is toa) set group goals.b) have training classes which teach skills and knowledge required.c) feed back to the employee meaningful measures of his performance.d) post results of performance before and after the training program.31. An engineer has the job of providing a written plan of quality related tasks to hismanager, including a detailed timeline, for the following year. Which of the following tools should be used?a) Histogramb) Flow Chartc) Gantt Chartd) Frequency DistributionBasic Probability 7 BASIC PROBABILITY32. The time it takes to answer a technical support line has a continuous uniform distributionover an interval from 17 to 20 minutes. All of the following are true excepta) P(x = 18.5) = 1/2b) P(x ≤ 20) = 1c) P(17 ≤ x ≤ 18) = 1/3d) P(x ≥ 17) = 133. For two events, A and B, which one of the following is a true probabilitystatement?a) P(A or B) = P(A) + P(B) if A and B are independentb) P(A or B) = P(A) + P(B) if A and B are mutually exclusivec) P(A and B) = P(A) x P(B) if A and B are mutually exclusived) P(A or B) = P(A) x P(B) if A and B are independent34. What is the probability of getting a head or a tail in 1 toss of a coin?a) 1/16b) 1/4c) 1/2d) 135. What is the probability of getting a head and a tail in 2 tosses of a fair coin? And, what isthe probability of getting a head and a tail, in that order, in 2 tosses of a fair coin?a) 1/2, 1/2b) 1/4, 1/4c) 1/2, 1/4d) 1/4, 1/236. A coin is tossed 10 times. The first 9 tosses come up heads. What is the probability thatthe 10th toss will come up heads?a) 1/512b) 1/256c) 1/32d) 1/237. What is the probability of obtaining exactly 2 heads in 4 tosses of a fair coin?a) 1/4b) 3/8c) 1/2d) 1/68 QReview Study Questions38. What is the probability of getting a 3 when rolling a single die? ( A die is one of a pair ofdice)a) 1/5b) 3/5c) 1/6d) 1/339. What is the probability of getting an odd number when rolling a pair of dice? (Spots onthe two dice sum to odd number)a) 1/4b) 1/2c) 1/3d) 3/1040. What is the probability of obtaining a sum of 7 when rolling a pair of dice?a) 1/5b) 3/5c) 1/6d) 1/3Use the following information to answer questions 41, 42 and 43. The probability is 1/2 that Bob will pass the CQE exam, 1/3 that Amy will pass and 3/4 that Jon will pass.41. What is the probability that Bob, Amy and Jon will all pass the exam?a) 1/8b) 4/9c) 4/11d) 1/342. What is the probability that neither Bob, Amy nor Jon will pass the exam?a) 1/9b) 7/8c) 1/12d) 2/343. What is the probability that only one of the three will pass the exam?a) 1/4b) 1/3c) 3/4d) 3/8Basic Probability 9 44. Four people shoot at a target and the probability that each will hit the target is 1/2 (50%).What is the probability that the target will be hit?a) 1/16b) 15/16c) 1/2d) 1/445. A committee of 5 people is chosen at random from a room that contains 4 men and 6women. What is the probability that the committee is composed of 2 men and 3 women?a) 1/2b) 10/21c) 5/21d) 1/346. A vendor is trying to sell you a box of 50 fuses that contains exactly 5 defective fuses.You select 2 fuses from the box for testing. If both are good you will buy the entire box. If one or both are defective, you will not buy the box. What is the probability that you will buy the box?a) .7533b) .8082c) .9769d) .853147. What is the probability of winning the Super Lotto? (Winning = getting all 6 numbers outof 47)a) 1/10,737,573b) 1/7,731,052,560c) 1/3,457,296d) 1/12,966,82148. A box contains 12 connectors, 9 good and 3 defective. What is the probability ofobtaining exactly 2 good and 1 defective connector in drawing 3 parts from the boxwithout replacement?a) .4219b) .4909c) .5022d) .691510 QReview Study Questions49. A box contains 12 connectors, 9 good ones and 3 defective ones. What is the probabilityof obtaining exactly 2 good and 1 defective connector in drawing 3 parts from the box with replacement?a) .4219b) .4909c) .5022d) .691550. You have been asked to sample a lot of 300 units from a vendor whose past quality hasbeen about 2% defective. A sample of 40 pieces is drawn from the lot and you have been told to reject the lot if you find two or more parts defective. What is the probability of rejecting the lot?a) 0.953b) 0.809c) 0.191d) 0.047Use the following information to answer questions 51 and 52. A company produces capacitors by a process that normally yields 5% defective product. A sample of 4 capacitors is selected.51. What is the probability that all 4 capacitors are good?a) .9790b) .9213c) .8617d) .814552. What is the probability that all 4 capacitors are defective?a) .1383b) .1855c) .0000258d) .00000625Use the following information to answer questions 53, 54, 55 and 56. A company makes ball bearings that are found to be 10% defective in the long run. A sample of 10 bearings is selected.53. What is the probability that 0 bearings will be defective?a) .3487b) .3874c) .4126d) .1110Basic Probability 1154. What is the probability of obtaining exactly 1 defective bearing?a) .3487b) .3874c) .4126d) .257455. What is the probability of obtaining exactly 3 defective bearings?a) .0574b) .4448c) .7361d) .156256. What is the probability of obtaining more than 1 defective bearing?a) .3874b) .4126c) .2639d) .228557. How many defective connectors would be expected in a sample of 200 parts if theprocess averages 2% defective?a) 1b) 2c) 4d) 758. What is the probability of obtaining exactly 2 defective connectors in a sample of 6 partsif the process averages 2% defective?a) .0135b) .0055c) .0009d) .000159. All of the following are probabilistic events excepta) the number rolled in a game of dice.b) the number of defects in a random sample.c) the acceleration of an apple when it drops from a tree.d) the number of games played in the world series.12 QReview Study QuestionsUse the following information to answer problems 60, 61 and 62. A company produces integrated circuits (chips) by a process that normally yields 2000 ppm defective product for electrical test requirements (ppm = defective parts per million). A sample of 5 chips is selected and tested.60. What is the probability that all 5 chips are good?a) .9900b) .9603c) .9213d) .856361. What is the probability that 1 or more chips are defective?a) .0051b) .0009c) .0269d) .010062. What is the probability that more than 1 chip is defective?a) .01931b) .00510c) .00008d) .01000Use the following information to answer problems 63, 64 and 65. A capability study was made to determine the defective rate of 28AZ transistors. The study showed the rate to be 5000 ppm. Ten of the transistors were shipped to a customer.63. What is the probability that the shipment contains no defective transistors?a) .9511b) .9066c) .8512d) .921364. What is the probability that the shipment contains exactly 1 defective transistor?a) .0001b) .0478c) .1048d) .1165Basic Probability 1365. What is the probability that the shipment contains 2 or more defective transistors?a) .0001b) .0478c) .0237d) .0011Use the following information to answer problems 66, 67 and 68. A circuit board operation yields 2 defects per board on the average. A sample of 1 board is selected at random.66. What is the probability of finding exactly 2 defects on the selected board?a) .3522b) .2706c) .1550d) .029567. What is the probability of finding less than 2 defects on the selected board?a) .4060b) .6352c) .3522d) .384968. What is the probability of finding more than 2 defects on the selected board?a) .4060b) .2706c) .3522d) .3235Use the following information to answer problems 69, 70 and 71. In manufacturing material for automobile seats it was found that each 100-foot roll contained, on average, 2 defects (flaws). A sample of 1 roll is selected at random from the process.69. What is the probability that the selected roll contains 0 defects?a) .1353b) .2707c) .8647d) .729314 QReview Study Questions70. What is the probability that the selected roll contains exactly 1 defect?a) .1353b) .7293c) .8647d) .270671. What is the probability that the selected roll contains more than 1 defect?a) .3233b) .5941c) .7293d) .8647Use the following information to answer problems 72 and 73. A firm that makes T-shirt decals has determined that their process yields, on average, 3 defects per day. Fifty decals are inspected each day.72. What is the probability of finding exactly 2 defective decals in any given day? (Assumeone defect per defective decal.)a) .7361b) .1494c) .2240d) .074673. What is the probability of buying a decal that contains more than 1 defect?a) .0005b) .0042c) .0001d) .001774. A parts dealer buys parts from a warehouse. Parts are made by either Company A orCompany B but are not identified as to which company produces them. One company produces all parts in one shipment or lot. On the average, we know:Company A produces 2.5% defective parts.Company B produces 5.0% defective parts.The warehouse states that 70% of parts will come from Company A and 30% from Company B. If the dealer selects 4 parts at random from a lot and finds 1 defective part, what is the probability that the lot was produced by Company A?a) .4422b) .5580c) .6915d) .3085Statistics 15 STATISTICS75. What is the expected value of the random variable x for the following data?x f(x)12 0.210 0.514 0.120 0.2a) 13.6b) 14.0c) 12.8d) 14.576. In the standard normal table, what value of z has 5% of the area in the tail beyond it?a) 1.960b) 1.645c) 2.576d) 1.28277. Which distribution should be used to determine a confidence interval when σ is notknown and the sample size is 10?a) zb) tc) Fd) χ278. Which of the following methods should be used to test 6 population means for statisticalsignificance?a) Chi Square Testb) Analysis of Variancec) F Testd) Duncan's Multiple Range Test79. A sample size of 120 is taken from a process and is represented graphically on ahistogram. What is the appropriate number of histogram cells to use?a) 1 - 8b) 9 - 20c) 21 - 35d) 12016 QReview Study Questions80. Which of the following conditions makes it possible for a process to produce a largenumber of defective units while it is in statistical control?a) When the specification limits are not set correctly.b) When the process capability is wider than the tolerance.c) When unknown external forces affect the process.d) When the sample size, from which the reject data is found, is too small.81. For the normal probability distribution, which of the following is true about therelationship among the median, mean and mode?a) They are all equal to the same value.b) The mean and mode have the same value but the median is different.c) Each has a value different from the other two.d) The mean and median are the same but the mode is different.82. All of the following statistical techniques can be used to determine the effectiveness of asupplier improvement program excepta) Pareto analysis.b) x bar and R charts.c) a PERT chart.d) a flow chart.83. A sample of n observations has a mean x and a standard deviation s > 0. If a singleobservation, which equals the value of the sample mean x, is removed from the sample, which of the following is true?a) x and s both changeb) x and s remain the samec) x remains the same but s increasesd) x remains the same but s decreases84. The factory installed brake linings for a certain kind of car have a mean lifetime of 60,000miles with a 6,000 mile standard deviation. A sample of 100 cars has been selected for testing. What is the standard error of x? (Assume that the finite population correction may be ignored.)a) 60 milesb) 6000 milesc) 600 milesd) 6100 milesStatistics 17 Use the following information to answer problems 85 - 90. A sample of 7 rivets was taken from a shipment of 1000 rivets and the length was measured. The following data are obtained:Sample Number Length (inches)1 3.12 3.13 3.24 3.75 3.66 3.77 3.185. What is the mean length of the rivets?a) 3.20 inchesb) 3.36 inchesc) 4.00 inchesd) 3.65 inches86. What is the standard deviation of the length of the rivets (estimate of population standarddeviation)?a) 0.27 inchesb) 2.16 inchesc) 0.29 inchesd) 2.00 inchesNote: In the following 4 problems, the sample sizes are less than 30 and the t statistics should be used to solve the problems. Analyses of this type usually involve sample sizes of 30 or greater. Handle the problems just as if the sample sizes were greater than 30 and use the z statistics.87. What percentage of rivets have lengths less than 2.80 inches?a) 2.69%b) 5.00%c) 1.22%d) 3.23%18 QReview Study Questions88. What percentage of rivets have lengths greater than 3.65 inches?a) 17.1%b) 14.2%c) 15.9%d) 7.10%89. What percentage of rivets have lengths between 3.1 inches and 3.9 inches?a) 89.37%b) 78.45%c) 52.25%d) 99.75%90. In the shipment of 1000 rivets, how many good parts will we find if a good part is definedas having a minimum of 3 inches and a maximum of 4 inches?a) 999b) 967c) 912d) 878The following information is used to answer problems 91 - 95. Data are taken from a manufacturing process that produces optical glass. The sample size is 5 parts and the characteristic measured is the diameter of the plates.(mm)SampleNumber Diameter1 302 313 294 335 3491. What is the mean diameter of the optical glass?a) 31.4 mmb) 29.0 mmc) 31.0 mmd) 34.0 mmStatistics 1992. What is the standard deviation of the population?a) 1.00 mmb) 2.07 mmc) 2.22 mmd) 1.22 mm93. The specifications for the glass plates are 30.5 ± 2 mm. What percentage of parts madeby this company will not meet specifications?a) 32.5%b) 5.00%c) 35.0%d) 37.9%94. What percentage of parts will be less than 29.5 mm?a) 17.9%b) 7.21%c) 15.9%d) 24.3%95. What percentage of parts will be greater than 33 mm?a) 78.5%b) 24.3%c) 15.9%d) 22.1%96. The Zoglen Corporation markets a product, which is a blend of 3 ingredients (A, B, C). Ifthe individual tolerances for the weight of the 3 ingredients are as shown, what should the tolerance be for the net weight of the product?A: 40.5 ± 2.236 grams, B: 30.4 ± 2.000 grams, C: 18.1 ± 1.732 gramsa) 89.0 ± 2.443 gramsb) 89.0 ± 3.464 gramsc) 89.0 ± 5.968 gramsd) 89.0 ± 4.732 grams20 QReview Study Questions97. A random sample of size n is to be taken from a large population that has a standarddeviation of 1 inch. The sample size is determined so that there will be a 95% chance that the sample average will be within ±0.1 inch of the true mean. Which of the following values is nearest to the required sample size?a) 385b) 200c) 100d) 4098. All of the following conditions must be met for the process capability to be within thespecification limits excepta) C pk≥ 1.0b) C p≥ 1.0c) C p = C pkd) a stable process.99. A value on the abscissa of the t distribution is 1.093. What is the area to the right of thisvalue if the sample size is 11?a) 0.30b) 0.15c) 0.05d) 0.10100. The spread of individual observations from a normal process capability distribution may be expressed numerically asa) 6R/d2b) 2 x A2Rc) R/d2d) D4R101. What percentage of data will normally fall within a process capability?a) 99.00%b) 99.73%c) 1.00%d) 0.27%Statistics 21 Use the following information to answer problems 102 - 105. A winding machine wraps wire around a metal core to make small transformers. The design engineers have determined that the nominal number of windings are to be 10,060 with a minimum of 10,025 and a maximum of 10,095. A sample of 300 transformers was selected in a three month period and the wire was unwrapped on each part to determine the number of windings. The results were:x = 10,052 windings and s = 10 windings102. What is the process capability?a) 10020 - 10100b) 10052 - 10020c) 10022 - 10082d) 10020 - 10060103. Compute the value of C pa) 30.0b) 10.0c) 0.67d) 1.17104. Compute the value of C pka) 0.90b) 0.72c) 3.22d) 2.67105. What is the expected percent defective?a) 1.00%b) 0.35%c) 2.13%d) 0.49%22 QReview Study Questions Blank PageStatistical Inference 23 STATISTICAL INFERENCE106. Which of the following cannot be a null hypothesis?a) The population means are equal.b) p = 0.5c) The sample means are equal.d) The difference in the population means is 3.85.107. In a sampling distribution which of the following represents the critical region?a) αb) βc) 1 - βd) 1 - α108. In a hypothesis test which of the following represents the acceptance region?a) αb) βc) 1 - βd) 1 - α109. The Chi Square distribution isa) a distribution of averages.b) a distribution of variances.c) a distribution of standard deviations.d) a distribution of frequencies.110. Which of the following is a number derived from sample data that describes the data in some useful way?a) constantb) statisticc) parameterd) critical value111. A null hypothesis assumes that a process is producing no more than the maximum allowable rate of defective items. What does the type II error conclude about theprocess?a) It is producing too many defectives when it actually isn't.b) It is not producing too many defectives when it actually is.c) It is not producing too many defectives when it is not.d) It is producing too many defectives when it is.。

Dell PowerConnect M8024-k 交换机入门指南说明书

Package Contents . . . . . . . . . . . . . . . . . . 9 Unpacking Steps . . . . . . . . . . . . . . . . . . . 9
Contents
3
4 Starting and Configuring the Switch . . . 10
Regulatory Model PCM8024-k
March 2011 P/N 7XG64 Rev. A00
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 5
PowerConnect M8024-k Overview . . . . . . . . . . . . 5
Expansion Slot
The 10G expansion slot supports the following modules: • SFP+ (four ports) • CX-4 (three ports) • 10GBASE-T (two ports) The modules are sold separately.
Regulatory Model: PCM8024-k
Dell PowerConnect M8024-k Switch
Getting Started Guide
Regulatory Model: PCM8024-k
Notes
NOTE: A NOTE indicates important information that helps you make better use of your computer.

外研社新职业英语IT英语(第三版)教学课件Unit 4

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Reading A
Task 4 Match the following terms with their Chinese meaning.
Part 5: Conclusion—the strategy will work.
Paragraph(s) ___1___ Paragraph(s) ___2_-3__ Paragraph(s) ___4_-_6_ Paragraph(s) ___7_-8__ Paragraph(s) ____9__
Part 2: The first step is to carefully research the market.
Part 3: The second step is to make a proper introduction of your business.
Part 4: The last step is to do a good follow-up.
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Warming-up
Task 2 Work in groups of four and discuss the following
questions. What elements do you think are the most
important for a successful salesperson among the following and why? What else do you think can lead to a salesperson’s success?

维生素E缺乏对大白鼠肝脏中维生素A含量的影响

差误值值
度值
正常组
与缺乏
VE组T
实验意义
通过以上试验方法和统计分析结果分析维生素E和维生素A的相关性，以利于我们对营养代谢性疾病— 维生素A缺乏症(当然包括维生素A增多症)的病因分析、病机研究、饲料营养搭配等方面的认识，在给患者的饮食中不可忽略维生素E对维生素A的影响。
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IT职业英语教程二级·软件类课后习题答案十章全

IT职业英语教程二级软件类授课课件
Unit One Getting Started
All Rights Reserved
工业和信息化部教育与考试中心全国IT职业英语水平考试项目组
Contents
❖ Working environment Listening & speaking ❖ Discussing feasibility Technical conversations ❖ Feasibility reports Reading ❖ Communicating by e-mail Writing
Language points:
How can I help you? sound like work out You mean … ? keep track of
Technical terms: feasibility study feasibility report
11
1.2 Discussing feasibility
算法glossary13feasibilityreportswordsexpressions30publicdomain??????????????????无版权限制entirety???????????n
EPTIP English Course for IT Professionals
Teacher’s Courseware, Level Two for Software Engineers
B. Explaining feasibility issues
Jacky’s team worked out the final feasibility report and e-mailed it to Mr. Roland after the team’s meeting. Then he immediately follows up his e-mail with a phone call.

大学英语四级模拟试题及答案

大学英语四级模拟试题及答案Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write a short essay on the topic of To Getalong with Your Roommates. You should write at least 120 words following the outline givenbelow.1. 室友之间的冲突在校园里常有发生2. 冲突的主要原因3. 室友之间如何和睦相处To Get along with Your Roommate注意:此部分试题在答题卡 1 上。

Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer thequestions on Answer sheet 1.For questions 17,markY (for YES) if the statement agrees with the information given in the passage;N (for NO) if the statement contradicts the information given in the passage;NG (for NOT GIVEN) if the information is not given in the passage. For questions 810,complete the sentences with the information given in the passage. Early Childhood Education‘Education To Be More? was published last August. It was the report of the New ZealandGovernment?s Early Childhood Care and Education Working Group. The report argued forenhanced equity (公平) of access and better funding for childcare and early childhood educationinstitutions. Unquestionably, that?s a real need; but since parentsdon?t normally send children topreschoolsuntil the age of three, are we missing out on the most important years of all?A 13yearstudy of early childhood development at Harvard University has shown that, by theage of three, most children have the potential to understand about 1000 words – most of thelanguage they will use in ordinary conversation for the rest oftheir lives. Furthermore, research has shown that while every child is born with a natural curiosity, it canbe suppressed dramatically during the second and third years of life. Researchers claim that thehuman personality is formed during the first two years of life, and during the first three yearschildren learn the basic skills they will use in all their later learning both at home and at school.Once over the age of three, children continue to expand on existing knowledge of the world.It is generally acknowledged that young people from poorer socioeconomicbackgroundstend to do less well in our education system. That?s observed notjust inNew Zealand, but also inAustralia, Britain and America. In an attempt to overcome that educational underachievement,anationwide program called …Headstart? was launched in the United States in 1965. A lot of moneywas poured into it. It took children into preschoolinstitutions at the age of three and wassupposed to help the children of poorer families succeed in school. Despite substantial funding, results have been disappointing. It is thought that there are twoexplanations for this. First, the program began too late. Many children who entered it at the age ofthree were already behind their peers in language and measurable intelligence. Second, the parentswere not involved. At the end of each day, …Headstart? children returned to the same disadvantagedhome environment.As a result of the growing research evidence of the importance of the first three years of achild?s life and the disappointing results from …Headstart?, a pilot program was launched inMissouri in the US that focused on parents as the child?s first teachers.The …Missouri? programwas predicated on research showing that working with the family, rather than bypassing theparents, is the most effective way of helping children get off to the best possible start in life. Thefouryearpilot study included 380 families who were about to have their first child and whorepresented a crosssectionof socioeconomicstatus, age and family configurations (结构). Theyincluded singleparentand twoparentfamilies, families in which both parents worked, andfamilies with either the mother or father at home.The program involved trained parent educators visiting the parents? home and working withthe parent, or parents, and the child. Information on child development, and guidance on things tolook for and expect as the child grows were provided, plus guidancein fostering the child?sintellectual, language, social and motorskilldevelopment. Periodic checkupsof the child?seducational and sensory development (hearing and vision) were madeto detect possible handicapsthat interfere with growth and development. Medical problems were referred to professionals.Parenteducatorsmade personal visits to homes and monthly group meetings were held withother new parents to share experience and discuss topics of interest. Parent resource centers,located in school buildings, offered learning materials for families and facilities for child.At the age of three, the children who had been involved in the …Missouri?program wereevaluated alongside a crosssectionof children selected from the same range of socioeconomic backgrounds and family situations, and also a random sample of children that age. The resultswere phenomenal. By the age of three, the children in the program were significantly moreadvanced in language development than their peers, had made greater strides in problem solvingand other intellectual skills, and were further along in social development. In fact, the averagechild on the program was performing at the level of the top 15 to 20 per cent of their peers in suchthings as auditory comprehension, verbal ability and languageability. Most important of all, the traditional measures of …risk?, such as parents? age and education, orwhether they were a single parent, bore little or no relationship to the measures of achievementand language development. Children in the program performed equally well regardless ofsocioeconomicdisadvantages. Child abuse was virtually eliminated. The one factor that wasfound to affect the child?s development was family stress leading to a poor quality of parentchildinteraction. That interaction was not necessarily bad in poorer families.These research findings are exciting. There is growing evidence in New Zealand that childrenfrom poorer socioeconomicbackgrounds are arriving at school less well developed and that our school system tends to perpetuate (使永存) that disadvantage. The initiative outlined above couldbreak that cycle of disadvantage. The concept of working with parents in their homes, or at theirplace of work, contrasts quite markedly with the report of the Early Childhood Care and EducationWorking Group. Their focus is on getting children and mothers access to childcare andinstitutionalized early childhood education. Education from the age of three to five is undoubtedlyvital, but without a similar focus on parent education and on the vital importance of the first threeyears, some evidence indicates that it will not be enough to overcome educational inequity.1. The skills learned by children at age of three will be used inall their later learning in life.2. The …Headstart? program finally succeeded in its aim.3. The …Missour? program supplied many forms of support and training toparents.4. Most …Missouri? program threeyearoldsscored highly in areas such as listening, speaking,reasoning and interacting with others.5. …Missouri? program children of young, uneducated, single parents scored less highly on thetests.6. The richer famili es in the …Missouri? program had higher stress levels.7. Educational inequity cannot be overcome for children from different family backgrounds.8. The aim of …Headstart? program is to help children from poor families overcome____________________.9. The most effective way of helping children get off to the best possiblestart in life is____________________.10. The concept of working with parents in their homes contrasts quite markedly with the reportof the Early Childhood Core and ____________________.Part III Listening Comprehension (35 minutes)Section ADirections: In this section, you will hear 8 short conversations and 2 long conversations. At theend of each conversation, one or more questions will be asked about what was said. Both theconversation and the questions will be spoken only once. After each section there will be apause. During the pause, you must read the four choices marked A), B), C) and D), and decidewhich is the best answer. Then mark the corresponding letter on Answer Sheet 2 with a singleline through the centre.11. A) To order some medicine for Aunt Margaret. B) To get some exercise.C) To buy some items.D) To see their aunt.12. A) Anyone can do it.B) No one can do it.C) Alex can probably do it.D) Alex probably shouldn?t do it.13. A) Tea is better than coffee.B) The man should switch to tea.C) There are two reasons not to drink coffee. D) The man shouldn?t drink either.14. A) At a hairdresser?s. B) At a tailor?s.C) At a butcher?s. D) At a photographer?s.15. A) Angry. B) Tired. C) Hungry. D) Disappointed. 16. A) She would like some soup.B) She?s inviting the man to lunch.C) She wants to know if the man likes chicken.D) She ate lunch earlier.17. A) Very few people come to it.B) A good name hasn?t been found for it.C) People don?t like climbing the stairs to get there.D) She has decided to phone the ticket office. 18. A) It was designed by modern artists. B) It will color black and white prints. C) Its merchandise must be carefully sorted through. D) Its best selection is of modern art prints. Questions 19 to 22 are based on the conversation you have just heard.19. A) A class presentation they?re preparing.B) A television program the man is watching. C) Visiting a close fiend of theirs.D) Studying for a test.20. A) He?s taking a break from studying.B) He has already finished studying.C) He was assigned to watch a program by his professor. D) He?sfinding out some information for a friend.21. A) He didn?t know that she was enrolled in a mathematic course.B) He thought she preferred to study alone. C) He thought she had made arrangements to study with D) He had told her that he had done poorly ona recent test. 22. A) He and Elizabeth argued recently.B) He heard Elizabeth did poorly on the last test. C) He doesn?twant to bother Elizabeth so late in the evening.D) He?d rather study in his own dormitory.Questions 23 to 25 are based on the conversation you have just heard.23. A) They look darker.B) They look smaller.C) They look clearer.D) They look cloudier.24. A) It stops working.B) It becomes sharper.C) It confuses odors.D) It defects fewer odors.25. A) They both have leg injuries.B) They?re too tired to walk any farther.C) They have no umbrella with them.D) They?ve seen no signs to give them directions.Section B:Directions: In this section, you will hear 3 short passages. At the end of each passage, you willhear some questions. Both the passage and the questions will be spoken only once. After youhear a question, you must choose the best answer from the four choices marked A), B), C) andD). Then mark the corresponding letter on Answer Sheet 2 with a single line through thecentre.Passage OneQuestions 26 to 28 are based on the passage you have just heard. 26.A) To do as much as you can.B) To do only what is necessary.C) To act carefully and quickly.D) To do what is necessary as carefully and quickly as possible. 27.A) Leave him lying where he is.B) Do as much as you can to save him.C) Put his arms and legs in place.D) Roll him up in a blanket.28. A) Stop the flow of blood if the person is bleeding. B) Perform the operation whenever necessary.C) Do artificial respiration if the person has stopped breathing. D) Do the best you can until a doctor arrives.Passage TwoQuestions 29 to 31 are based on the passage you have just heard. 29.A) A few inches above the knee.B) A little below the knee.C) Down to the ankle.D) Floorlength.30. A) Boots. B) Sneakers. C) Slippers. D) Leather shoes. 31. A) Fashions change overtime.B) Men are thriftier than women.C) Skirts and shoes are more important than other clothing.D) Some clothing may suit all occasions. Passage ThreeQuestions 32 to 35 are based on the passage you have just heard.32. A) Energy conservation.B) Transportation of the future.C) Strip cities.D) Advantages of air transportation over railroads. 33. A) A lack of available flights.B) Long delays at the airport.C) Tiredness on long flights.D) Long trips to and from airports.34. A) It uses nuclear energy.B) It rests on a cushion of pressurized air. C) It flies over magnetically activated tracks. D) It uses a device similar with engine35. A) They are subject to fires.B) They become less fuelefficient.C) They produce too much noise.D) They have trouble staying on the tracks.Section C:Directions: In this section, you will hear a passage three times. When the passage is read for thefirst time, you should listen carefully for its general idea. When the passage is read for thesecond time, you are required to fill in the blanks numbered from 36 to 43 with the exactwords you have just heard. For blanks numbered from 44 to 46 you are required to fill in themissing information. For these blanks, you can either use the exact words you have just heardor write down the main points in your own words. Finally, when the passage is read for thethird time, you should check what you have written.Doctors are starting to believe that laughter not only improves your state of mind, butactually affects your entire physical wellbeing.Britain?s first (36) ________ therapist, RobertHolden says: “Instinctively we know that laughing help us feel healthy and alive. Each time welaugh we f eel better and more (37) __________.”A French newspaper found that in 1930 the French laughed on average for nineteen minutesper day. By 1980 this had fallen to six minutes. Eight per cent of the people (38) _________ saidthat they would like to laugh more. Other (39) _________ suggests that children laugh on averageabout 400 times a day, but by the time they reach (40) __________ this had been (41) _________to about fifteen times. Somewhere in the process of growing up we lose an (42) _______ 385laughs a day.William Fry, a psychiatrist from California studied the (43)_________of laughter on thebody. He got patients to watch funny films, and monitored their blood pressure, heart rate andmuscle tone. He found that laughter has a similar effect to physical exercise. (44) _____________________________________________________________________________ _____. It alsomakes our facial and stomach muscles work. Fry thinks laughter is a type of jogging on the spot.Laughter can even provide a kind of pain relief. Fry had proved that laughter producesendorphinschemicalsin the body that relieve pain. Researchers divided forty university studentsinto four groups. The first group listened to a funny cassette for twenty minutes. The other threegroups (45)____________________________________________________________________ _______________________________________________________.Researchers found that if theyproduce pain in the students, (46)___________________________________________________________________________________________________. Somedoctors are convinced thathumor should be a part of every medical consultation, as there is evidence to suggest that laughterstimulates the immune system.Part IV Reading Comprehension (Reading in Depth) (25 minutes) Section ADirections: In this section, there is a passage with ten blanks. You are requested to select oneword for each blank from a list of choices given in a word bank following the passage. Readthe passage through carefully before making your choices. Each choice in the bank isidentified by a letter. Please mark the corresponding letter for each itemon Answer Sheet 2with a single line through the centre. You may not use any of the words in the bank morethan once.Questions 47 to 56 are based on the following passage.For many environmentalists, the world seems to be getting worse. They have developed ahitlistof our main fears: natural resources are 47 out; the population is ever growing,leaving less and less to eat; species are becoming 48 in vast numbers, and the planet?sair and water are becoming ever more polluted.But a quick look at the facts shows a different picture. First, energy and other naturalresources have become more 49 not less s o, since the book …TheLimits to Growth? waspublished in 1972 by a group of scientists. Second, more food is now produced per 50 ofthe world?s population than at any time in history. Fewer people are 51 . Third, althoughspecies are indeed becoming extinct, only about 0.7% of them are expected to disappear in thenext 50 years, not 25~50%, as has so often been 52 . And finally, most forms ofenvironmental pollution either appear to have been 53 , or are transient –associated withthe early stages of industrialization and therefore best cured not by restricting economic growth,but by 54 it. One form of pollution – the release of greenhouse gases thatcauses globalwarming – does appear to be a phenomenon that is going to extend well into our future, but itstotal impact is unlikely to 55 a devastating (令人心神不安的) problem. Abiggerproblem may well turn out to be an inappropriate response to it.Yet opinion polls suggest that many people nurture the belief that environmental standardsare declining and some factors seem to cause this disjunction between 56 and reality.A) pose I) starvingB) exaggerated J) headC) accelerating K) runningD) extinct L) predictedE) exist M) abundantF) perception N) conceptionG) wealthy O) reducingH) magnifiedSection BDirections: There are 2 passages in this section. Each passage is followed by some questions orunfinished statements. For each of them there are four choices marked A), B), C) and D). Youshould decide on the best choice and mark the corresponding letter onAnswer Sheet 2 with asingle line through the centre.Passage OneQuestions 57 to 61 are based on the following passage.Most conceptions of the process of motivation begin with the assumption that behavior is, atleast in part, directed towards the attainment of goals or towards the satisfaction of needs ormotives. Accordingly, it is appropriate to begin our consideration of motivation in the work placeby examining the motives for working. Simon points out that an organization should be able tosecure the participation of a person by offering him inducements(引诱)which contribute in someway to at least one of his goals. The kinds of inducements offered by an organization are varied,and if they are effective in maintaining participation they must necessarily be based on the needsof the individuals.Maslow examines in detail what these needs are. He points out not only that there are manyneeds ranging from basic physiological drives such as hunger to a more abstract desire forselfrealization,but also that they are arranged in a hierarchy( 等级制度)w hereby thelowerorderneeds must to a large degree be satisfied before the higherorder ones come into play.One of the most obvious ways in which work organizations attract and retain members isthrough the realization that economic factors are not the only inducement for working as indicatedby Morse and Weiss. In line with the social respect andselfrealization needs discussed by Maslow,factors such as associations with others, selfrespectgained through the work, and a high interestvalue of the work can serve effectively to induce people to work. 57. According to Maslow, a work organization is able to motivate people to work by _______.A) satisfying their physiological needsB) satisfying their selfrealizationneedsC) satisfying hierarchy of their higherorderneedD) first satisfying their lowerorderneeds58. Lowerorderneeds concern a person?s _______.A) essential physical needs C) selfrealizationB) selfrespectD) working relationships with others59. Which of the following is NOT a higher need that attracts people to work?A) Association with others. C) Interest value of the work.B) Possibility of earning a good salary. D) Cultivation of selfrespect. 60. Which of the following statements may be supported by Morse and Weiss?A) Physiological needs are the most basic.B) There is a hierarchy of needs that must be met.C) Economic factors are the greatest inducement.D) Personal esteem and the gaining of power is the most important factor. 61. Simon points out that ________.A) the needs of individuals range from hunger to selfrealization B) economic factors are not the only inducement for working C) effective inducements must be based on what individuals want D) inducements must not be too variedPassage TwoQuestions 62 to 66 are based on the following passage.The justification for a university is that it preserves the connection between knowledge andthe zest of life, by uniting the young and the old in the imaginative consideration of learning. Theuniversity imparts information, but it imparts it imaginatively. At least, this is the function which itshould perform for society. A university which fails in this respect has no reason for existence.This atmosphere of excitement, arising from imaginative consideration, transforms knowledge. Afact is no longer a burden on the memory, it is energizing as the poet of our dreams and as thearchitect of our purposes.Imagination is not to be divorced from the facts: it is a way of illuminating the facts. It worksby eliciting the general principles which apply to the facts, as they exist, and then by anintellectual survey of alternative possibilities which are consistent with those principles. It enablesmen to construct an intellectual vision of a new world, and it preserves the zest of life by thesuggestion of satisfying purposes.Youth is imaginative, and if the imagination be strengthened by discipline, this energy ofimagination can in great measure be preserved through life. The tragedy of the world is that thosewho are imaginative have but slight experience, and those who are experienced have feebleimagination. Fools act on imagination without knowledge; pedants(学究)act on knowledgewithout imagination. The task of university is to weld together imagination and experience.62. The main theme of the passage is ____.A) the access to knowledge in universityB) the function of universitiesC) the role of imagination in our livesD) the relationship between imagination and experience63. According to the passage, the justification for a university is that ____.A) it presents facts and experience to young and oldB) it imparts knowledge to imaginative peopleC) it combines imagination with knowledge and experience D) it enables men to construct an intellectual vision of the world 64. The word “eliciting” in paragraph 2 probably means ____.A) applying C) drawing forthB) challenging D) preserving65. Which of the following is NOT discussed as one of the things imagination can do?A) It makes our life exciting and worthwhile.B) It helps us to understand the world.C) It helps us to formulate Laws about the facts. D) It provides inspiration to the artists.66. According to the author, the tragedy of the world is that ____.A) our energy of imagination cannot be preserved B) our imagination is seldom disciplinedC) we grow old inevitablyD) too many people are either fools or pedantsPart V Cloze (15 minutes)Directions: There are 20 blanks in the following passage. For each blank there are four choicesmarked A), B), C) and D) on the right side of the paper. You should choose the ONE that bestfits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single linethrough the centre.In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An ___67___ 7% did not know which revolved around ___68___ I have nodoubt that ___69___ all of these people were ___70___ in school that the earth revolves aroundthe sun; ___71___ may even have written it ___72___ a test. But they never ___73___ theirincorrect mental models of planetary (行星的) ___74___ because their everyday observationsdidn?t support ___75___ their teachers told them: People see the sun “moving” ___76___ the skyas morning turns to night, and the earth seems stationary (静止的) ___77__ that is happening.Students can learn the right answers ___78___ heart in class, andyet never combined them___79__ their working models of the world. The objectively correct answer the professor acceptsand the ___80___ personal understanding of the world can ___81___side by side, each unaffectedby the other.Outside of class, the student continues to sue the ___82___ model because it has alwaysworked well ___83___ that circumstance. Unless professors address___84___ errors in students?personal models of the world, students are not ___85___ to replace them with the ___86___ one.67. A) excessive B) extra C) additional D) added68. A) what B) which C) that D) other69. A) virtually B) remarkably C) ideally D) preferably 70. A)learned B) suggested C) taught D) advised 71. A) those B) these C) who D) they72. A) on B) with C) under D) for73. A) formed B) altered C) believed D) thought 74. A) operation B) position C) motion D) location 75. A) how B) which C) that D) what76. A) around B) across C) on D) above77. A) since B) so C) while D) for78. A) to B) by C) in D) with79. A) with B) into C) to D) along80. A) adult?s B) teacher?s C) scientist?s D) student?s81. A) exist B) occur C) survive D) maintain 82. A) private B) individual C) personal D) own 83. A) in B) with C) on D) for84. A) general B) natural C) similar D) specific 85. A) obliged B) likely C) probable D) partial 86. A) perfect B) better C) reasonable D) correctPart VI Translation (5 minutes)Directions: Complete the sentences on Answer Sheet 2 by translating intoEnglish the Chinesegiven in brackets.87. _____________________________( 只要每个中国人) works to hiscapacity in theconstruction of China?s economy, the rise of Chinese nation is round thecorner.88. With a special train ticket you can___________________________________(任何国家旅行)in Europe for just over 100 pounds.89. In spite of the fact that hotel prices have risen sharply, the number oftourists_________________________ (和以前一样多).90. The hotel manager, ________________________(我向他投诉过)about the service，refunded part of our bill.91. The Tower of London,_____________________________________________ (在里面曾有许多人丧命) is now a tourist attraction.答案Part I WritingTo Get along with Your RoommateRoommate conflicts among college students are often heard on campus over recent years.Study shows that these conflicts make the excitement of campus life grow grey and have badeffects on both their living and learning.Roommate conflicts often spring from daily trivial things such as time when to turn off thelight and space where to store luggage or personal belongs. When personalities don?t mix, thespecifics can tear roommates apart and sometimes even lead to serious conflicts. Besides, the factthat roommates hold different attitudes towards certain issue is another factor causing theseconflicts.Roommate conflicts are harmful and need to be settled. Though many people think that school。

《Linux操作系统(第2版))》课后习题答案

《 Linux 操作系统（第 2 版）》课后习题答案1.6练习题一、选择题1. Linux 最早是由计算机爱好者B开发的。

A. Richard PetersenB. Linus TorvaldsC. Rob PickD. Linux Sarwar2.下列 C 是自由软件。

A. Windows XPB. UNIXC. LinuxD. Windows 20003.下列B不是 Linux的特点。

A. 多任务B.单用户C. 设备独立性D. 开放性4.Linux 的内核版本 2.3.20 是A的版本。

A. 不稳定B. 稳定的C. 第三次修订D. 第二次修订5.Linux 安装过程中的硬盘分区工具是D。

A. PQmagicB. FDISKC. FIPSD. Disk Druid6.Linux 的根分区系统类型是 C 。

A. FATl6B. FAT32C. ext4D. NTFS二、填空题1. GNU 的含义是： GNU's Not UNIX 。

2.Linux 一般有 3 个主要部分：内核（ kernel）、命令解释层（ Shell 或其他操作环境）、实用工具。

3.安装 Linux 最少需要两个分区，分别是swap 交换分区和 /（根）分区。

4.Linux 默认的系统管理员账号是root。

三、简答题（略）1．简述 Red Hat Linux 系统的特点，简述一些较为知名的Linux 发行版本。

2．Linux 有哪些安装方式?安装 Red Hat Linux 系统要做哪些准备工作?3．安装 Red Hat Linux 系统的基本磁盘分区有哪些?4．Red Hat Linux 系统支持的文件类型有哪些？2.6练习题一、选择题1.C命令能用来查找在文件TESTFILE中包含四个字符的行？A. grep ’????’TESTFILEB. grep’⋯.’TESTFILEC. grep’^????$’TESTFILED. grep’^⋯ .$’TESTFILE2.B命令用来显示/home及其子目录下的文件名。

管理英语4-国家开放大学电大学习网形考作业题目答案

管理英语4（科目代码：04020）一、单选题1.Is it possible for you to work out the plan tonight?—__________A.I'll do that.B.I think so.C.I'd love to.正确答案：B2.I think things have been a bit difficult for us the last couple of months.—__________. We've been working hard, but still getting behind.A.You're rightB.I'm afraidC.I don’t think so正确答案：A3.This project is too big for me to finish on time.—________________.A.Please do me a favorB.That is a daydreamC.I'll give you a hand正确答案：C4.Could you give us a speech on management functions some day this week?—________________.A.That'a good ideaB.No, I already have plansC.I'd love to, but I'm busy this week正确答案：C5.We could let some of the staff work from home.________________?That's a good idea.A.Do you have any good ideasB.What do you think of itC.Is there anything else正确答案：B6.The responsibilities in handbook ______ that managers have to be concerned with efficiencyand effectiveness in the work process.A.implyB.indicateC.interrupt正确答案：B7.AT&T found that employees with better planning and decision-making skills were ______ tobe promoted into management jobs.A.more likelyB.more likeC.more unlikely正确答案：A8.______ his anger the employees called him Mr. Thunder, but they loved him.A.Due toB.In spite ofC.Because正确答案：A9.Supervisors should ______ their employees in two-way communication so that understandingtakes place.A.enableB.engageC.encourage正确答案：B10.Even the best continually seek ways to ______ their skills.A.sharpB.sharpenerC.sharpen正确答案：C11._____ managers spend most of their time in face-to-face contact with others, but they spendmuch of it obtaining and sharing information.A.Not onlyB.Do not onlyC.Not only do正确答案：C12.______ CEOs spend planning, the more profitable their companies are.A.The more timeB.The moreC.The less time正确答案：A13.The demands and requirements placed on the CEO of Sony are different from ______ on themanager of your local Wendy's restaurant.A.theseB.thoseC.which正确答案：B14.It is through enthusiasm and quiet intensity ______ we transform creativity and vision intothe technologies.A.thatB./C.which正确答案：A15.The Human Resource Managing Department at Honda is given specific instructions ______employ the best possible workers.A.how toB.on what toC.on how to正确答案：C16.—How did your meeting go yesterday?____________________actually, it was really frustrating.A.Not so goodB.Very goodC.Nothing special正确答案：A17.Will you go on a picnic with us tomorrow?—____________________.A.Yes, but I'll have English classesB.Sorry, I have an appointment with Dr. BrownC.I'm afraid I have no idea正确答案：C18.—How can you explain the latest situation?—____________________,I know it is all my fault.A.SorryB.Excuse meC.I'm afraid正确答案：A19.If you can't say what you've come to say at the meeting, what's the point?—____________________,but I think you might need to change your approach somewhat.A.I am not sureB.I can see thatC.I know that正确答案：B20.—____________________identify the problems that have been occurring?—Well, as you know, the problems we had with Gary caused a lot of friction among the team.A.What would youB.Will youC.Are you able to正确答案：C21.Who was ______ the meeting？A.chairingB.leadingC.charging正确答案：A22.Every time I tried to say something, he would ______ to something else.A.move offB.move onC.move over正确答案：B23.What you need to do is to keep things short and sweet, just the ______.A.questionsB.topicsC.highlights正确答案：C24.I think the primary ______factor is there's been so much absence lately.A.contributingB.causingC.affecting正确答案：A25.He's left now, but productivity hasn't ______that much.A.carried onB.caught upC.picked up正确答案：C26.Effective leaders distill complex thoughts and strategies into simple, memorable terms__________ colleagues and customers can grasp and act upon.A.whenB.thatC.who正确答案：B27.In today's environment, __________ people are often burned out, it's important foremployees to have a personal connection with you and the work you believe in.A.whereB.whenC.while正确答案：A28.When the message finally reached the Command Center, it __________ “mutated” to become—“Send three and four-pence, we're going to a dance.”A.wasB.hadC.have正确答案：B29.If demand is rising but the firm __________ from communication failure, then stocks willfall and there will be understaffing.A.has been sufferingB.is going to sufferC.is suffering正确答案：C30.Creativity, especially __________ which takes place across departmental boundaries, is likelyto suffer hugely as team synergy slips.A.thatB.thoseC./正确答案：A31.Could I borrow your iPad for a few hours?—_____________A.Yes, you can.B.Sure, here you are. Enjoy your time.C.It doesn't matter.正确答案：B32.I am sorry for what I have said to you.—_____________A.No problem.B.I'm sure about that.C.Don't think any more about it.正确答案：C33.—_____________I'd like to have this film developed.A.What's it?B.May I help you?C.What do you want?正确答案：B34.Will you help me arrange a meeting with Mr. Brown, please?—_____________A.No, no way.B.No, I can't.C.Sorry I can't. I have to finish my project right now.正确答案：C35.What are your teammates like?—_____________A.They are all warmhearted and helpful.B.They all like sports and games.C.They are all good friends.正确答案：A36.I believe that I have a lot to contribute ______ a team environment, and am comfortable inboth leadership and player roles.A.toB.withC.for正确答案：A37.I like to think ______. I am always the one finding new ways to a situation or challenge.A.inside of the boxB.of the boxC.outside of the box正确答案：C38.I have been very lucky to have had ______ managers during my career so far.A.terrificB.terribleC.terrifying39.How do you get your members to ______ as a team?A.pull apartB.pull upC.pull together正确答案：C40.Team members are ______ as unique people with irreplaceable experiences, points of view,and knowledge to contribute.A.treatedB.viewedC.known正确答案：B41.The team creates an environment ______ people are comfortable in communicating,advocating positions, and taking action.A.thatB.whichC.in which正确答案：C42.The majority of these team challenges ______ anywhere.A.can deliverB.are deliveredC.can be delivered正确答案：C43.Regular and concrete feedback is important ______ who is not performing up to her potential.A.when to deal with a workerB.when dealing with a workerC.when dealt with a worker正确答案：B44.If I take the time to talk with my manager at the beginning of a project, we ______ off to agreat start on the same page.A.can getB.have gotC.get正确答案：A45.In high school, I am equally comfortable______as a member of a team and independently.A.to workB.workingC.work正确答案：B46.Wow! This is a fantastic project! I've never known you're so creative.__________A.Don't mention it.B.Great, I dare to say I am a talent.C.Thanks for your compliments.47.__________You might as well write a thanks-note.A.How do you like the rewards?B.What do you do with the rewards?C.Could you suggest some ways of the rewards?正确答案：C48.Do you mind if I use vouchers to spend in a restaurant?__________A.Yes, please.B.Not at all. Go ahead.C.No, thank you.正确答案：B49.You'd better not push yourself too hard. You can ask the team and listen.__________A.You are right.B.No, we can't do that.C.I think it will kill our time.正确答案：A50.—Can I get you a couple of tea?—_________________________.A.That's very nice of youB.With pleasureC.You can, please正确答案：A51.Self-esteem needs might include the ______ from a workplace.A.rewardsB.rewardedC.rewarded正确答案：A52.Learning new things has always been a great ______ for me.A.motivatorB.motivateC.motivation正确答案：A53.______ the job, employers don't want to hire people who are difficult to get along with.A.Despite ofB.RegardlessC.Regardless of正确答案：C54.An appreciated gift and the gesture of providing it will ______ your coworker's day.A.look upB.light upC.lift to55.The leader ______ at creating opportunities to provide rewards, recognition and thanks to hisor her staff.A.exceedsB.excellentC.excels正确答案：C56.Fifty-five per cent of the respondents said that praise and attention from their supervisorwould make them feel ______ the company cared about them and their well-being.A.as ifB.even ifC.like正确答案：A57.I think a big part of it is ______ we know how to have fun on the job.A.thatB.whichC.why正确答案：Apanies are ______ interested in your soft skills ______ they are in your hard skills.A.so… that…B.as…as…C.not…until…正确答案：B59.______ clearly communicate with and actively listen to employees is essential to improvetheir performance.A.Be able toB.Being ableC.Being able to正确答案：C60.All the team members tried their best. We lost the game, _________.A.howeverB.thereforeC.since正确答案：A61.Haven't seen you for ages. What are you busy doing now?____________A.Yes ,long time no see.B.Yeah, thanks for coming.C.I am working part time in a bookstore.正确答案：C62.Over-the-top? You mean…____________A.Well, sometimes your co-workers feel that you are too loud.B.No, I don't.C.Thanks a lot.正确答案：A63.Do you know where I can repair my motorcar?____________A.It's cheap to repair a motorcar.B.Around the street corner.C.You drive too fast to damage it.正确答案：B64.I think I have made a great mistake.____________A.I don't think so. You really made an error.B.I don't think so. It's really terrible.C.I don't think so. It's not your fault.正确答案：C65.Why didn't you come to my birthday party yesterday?____________A.Excuse me, my friend sent me a flower.B.Sorry, but my wife had a car accident.C.Fine, I never go to birthday parties.正确答案：B66.The workmen want to ________ the number of working hours and to increase pay.A.deleteB.decreaseC.depress正确答案：B67.Good work ________ good pay.A.deservesB.requestsC.deserts正确答案：A68. A child's character is greatly influenced by his home ________.A.caseB.environmentC.situation正确答案：B69.At a rough ________, we will take another four weeks to finish this plan.A.estimateB.valueC.account正确答案：A70.Please ask the solicitor what his ________ would be to take the case to court.A.fareB.feeC.salary正确答案：B71.Wendy suggests that we ________ tomorrow.A.shall goB.should goC.will go正确答案：B72.Linda walked at the head, ________ by her colleagues.A.followedB.followingC.to follow正确答案：A73.My leather shoes cost me ________ the last pairs I bought.A.three times asB.three time asC.three times as much as正确答案：C74.Without his assistance, I ________ the research last month.A.would not have completedB.could not finishC.should not finish正确答案：A75.They have come to the conclusion ________ this winter will be even colder than before.A.thatB.forC.which正确答案：A76.Don't worry, Mum. The doctor said it was only a common cold.77.________ ! I'll tell Dad there's nothing serious.A.What a reliefB.How surprisingC.I'm so sorry正确答案：A78.Which of these hats do you want?_______ . Either will do.A.I don't mindB.No problemC.Go ahead正确答案：A79.—I'm going to Beijing for a few days._______. I wish I could go with you.A.It doesn't matterB.Forget itC.I really envy you正确答案：C80.Can I have three days off next week, Mr. Smith?_____. I can manage without you.A.I'm afraid notB.Of courseC.It depends正确答案：B81.If you don't believe in yourself, no one else will._____. Confidence is really important.A.That's not the pointB.I don't think soC.I couldn't agree more正确答案：C82._____the deepening of China's economic reforms, there is greater cooperation andinterdependence between the private and the public sector.A.WithB.As well asC.For the sake of正确答案：A83.Redundancy happens when employees need to _____ their workforce. And as a result,someone gets dismissed from work.A.reformB.reproduceC.reduce正确答案：C84.To build the reservoir（水库），thousands of people have to be_______ .A.relocatedB.repeatedC.reopened正确答案：A85.They depend on each other to survive. In other words, they are ______ for survival.A.interwovenB.interdependentC.international正确答案：B86.She is very adaptive and soon adapted ______ to the campus life.A.withB.toC.as正确答案：B87.There is no _____ the fact that he is the best student in the class.A.denyB.deniesC.denying正确答案：C88.All _____ glitters (闪闪发光) is not gold.A.thatB.whichC.what正确答案：A89.On hearing the news of ______ the major exam again, the girl burst into tears.A.her having failedB.she failedC.her being failed正确答案：A90.He ordered that nothing ________ until the police arrived.A.was touchedB.should be touchedC.had been touched正确答案：B91.By the end of the year, the sales plan for the next year______.A.will be madeB.will have been madeC.have been made正确答案：B92.Terribly sorry to interrupt, but may I use your dictionary?Yes,______________.A.of courseB.it doesn’t matterC.no hurry正确答案：A93.Sorry for being late. I should have called you earlier.—__________. I've just arrivedA.That's no troubleB.You are welcomeC.That's all right正确答案：C94.The trip ought not to take more than an hour.____________ . It is at least two hours.A.I guess soB.You must be jokingC.It depends正确答案：B95.Have you already paid? What's my share of the bill？_________. It wasn't very much.A.It's my shareB.None of your businessC.Don't worry about it正确答案：C96.The Auto Show in the City Stadium has been canceled.Oh, no！_________A.What a pity!B.It doesn't matter!C.It's not interesting at all!正确答案：A97.After days of investigation, the police were ____ reality.A.looking intoB.approachingC.finding正确答案：B98.What can we expect ____him?A.inB.fromC.on正确答案：B99.An agreement was reached on the _____ of mutual respect and mutual interest.A.basicB.baseC.basis正确答案：C100.All the _____ guests are seated in the front row.A.distinguishingB.extinguishingC.distinguished正确答案：C101.Their economy is export ______.A.orientedB.orientatingC.orientation正确答案：102._____ there is smoke, there is fire.A.IfB.WhenC.Where正确答案：A103.The reason _____ he was absent from class yesterday was that he was ill and hospitalized.A.forB.whyC.that正确答案：C104._____ on the hilltop, you could enjoy the scenery of the city bathed in the sun.A.StandingB.StandC.Stood正确答案：A105._____ the importance of English, we should put more effort into it and try to learn it well.A.GivenB.GivingC.Gave正确答案：Apared ______ English, Chinese is generally believed to be more difficult to learn.A.withB.fromC.against正确答案：A107.—It's about a successful businessman's management experience, isn't it?____________A.My pleasure!B.That's right!C.It's up to you!正确答案：B108.____________________________—Actually I prefer working on my own.A.Could I use this dictionary?B.May I open the window to let in some fresh air?C.Do you prefer teamwork or working individually?正确答案：C109.—Scott，I'd like to have your opinions about my written report.—________________ But I have one suggestion.A.That's a good idea.B.You are too modest.C.It looks fine to me.正确答案：C110.I'd like a wake-up call at 7:00 a.m., please!OK,________________ .A.You will certainly make it.B.I'll make sure you get one.C.just do what you like.正确答案：B111.You have to believe in yourself. No one else will, if you don't.____________________Confidence is really important.A.It's not my cup of tea.B.I don't think so.C.I couldn't agree more.正确答案：C112.We ________ with achievement.A.doneB.are obsessedC.catch up正确答案：B113.We need ________ communication skills: listen carefully, think before you speak and manage conflicts diplomatically.A.outstandingB.plainC.general正确答案：A114.please ______ your hand if you have any question at all.A.raiseB.riseC.arise正确答案：A115.How do we expect to compete with a company that has such a huge______ and huge resources?A.recommendationB.reductionC.reputation正确答案：C116.When people are surrounded by ______ communication and encouragement, they can find the courage to try, fail, redo, and try again.plicatedB.constantC.corporate正确答案：B117.______ we can't compete in terms of size I do believe we hold an advantage in terms of dedication to customer service.A.ThereforeB.ButC.Although正确答案：C118.The key ______ successful implementation is clearly communicating the strategy to the whole company.A.toB.inC.of正确答案：A119.This is the man ______ last night.A.whom I saw himB.whom I sawC.what I saw正确答案：B120.Who should be responsible for the accident?121.The boss, not the workers. They just carried out the order ______.A.as are toldB.as toldC.as they told正确答案：B122.He will write to me as soon as he ______ home.A.will have returnedB.returnsC.will return正确答案：B二、听力理解：听录音，选择最佳答案1.请听录音：unit1tl.mp300:00/02:27操作提示：通过下拉选项框，选择答案。

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LVN Program FAQAdmission RequirementsQ: How can I obtain more information about LVN program?A: you simply call us at 1-714-539-6561Q: I want to register for LVN program. How do I get started?A: First step is to contact the school and make an appointment with the Admission Counselor. All applicants need to fill out an application, and pay the $150 application fee; all applicants need to havea High School Diploma or equivalent. All Applicants must pass an entrance exam and might need aninterview.Q: I have a foreign degree. Do I need to have my degree evaluated?A: Yes. All prospective applicants with a foreign degree must have their degree evaluated prior toenrollment of the program.Q: Where can I get my degree evaluated?A: The importance behind the evaluation is to confirm that you have the equivalent or better to a U.S.high school education. You may use any accredited evaluation agency.Q: What should I expect during my visit to register for LVN Program?A: You will take an entrance exam. You will also receive a school tour and meet with a counselor. Youwill need to pay a non-refundable registration fee of $150.Q: What does the entrance exam consist of?A: The entrance exam consists of 50 questions in the areas of basic math and basic English.Q: I have a medical degree. Am I still required to take the entrance exam?A: Yes. All applicants regardless of degree or background must pass the entrance exam prior toadmission into the program.ProgramQ: Is the program accredited?A: The LVN program is accredited by BVNPT - Board of Vocational Nursing and Psychiatric Technicians. Board of Vocational Nursing and Psychiatric Technicians2535 Capitol Oaks DriveSuite 205Sacramento, CA 95833Phone: (916) 263-7800Web: Q: Do you offer job placement?A: Yes; we offer job placement assistance for all students who successfully complete the program.However, we cannot guarantee employment.Q: How do I pay for the program?A: We have flexible payment options and private student loans.Q: How long is the LVN program?A: Program is approximately 12 months long including clinical training. This does not include the time needed for the Essential Medical Bioscience course.Q: What is the schedule of the program?A: Morning group meets 7 am - 3 pm for lectures and from 7 am – 3 pm for clinicals. Evening Group meets 5:30 pm – 9:30pm for lectures and from 7 am – 7 pm for clinical(Sat, Sun).Q: What happens if I fail a class? Will I be expelled from the program?A: Student will be placed on probation and will have a chance to prepare and retest in a failed subject.If a student has failed during probation he/she will not be able to continue the program. However, student might re-apply and continue the program with the next available group (Subject to spaceavailability).Q: What if I missed a class?A: Our general attendance policy indicates that students must attend all scheduled classes. If you know in advance that you will need to miss a class please notify your instructors and make necessary arrangements for makeup work. Leave of absence can be granted by the program director under certain conditions (Please discuss this with the program director).Q: Are there any breaks within the school year?A: As a student you will have a 1 week Summer and a 1 week Winter break as well asMartin Luther King Day Presidents Day Memorial Day Independence Day Labor Day Columbus DayVeterans Day Thanksgiving DayQ: Can I still apply to the nursing program if I have a criminal history?A: The Board of Vocational Nursing and Psychiatric Technicians (BVNPT) requires a background check for state licensure. Clinical facilities may deny your participation if your criminal history involves violent crimes, substance abuse crimes, and sexually violent crimes.Q: What is the length of the program?A: 12 months.Q: Do you offer online classe s?A: No. All coursework is hands-on consisting of Didactic lectures, Laboratories, and Clinical Internship.Q: Are didactic course s and laboratories held on campus?A: Yes.Q: Is this a full time program?A: Yes. The program is considered to be a full time program, even though students are not required tobe on campus full time.Q: Can I take both night and day classes?A: No, students are not able to switch back and forth between day and evening classes. Students can enroll only into the day schedule or night schedule (not both). However, special circumstances may beaccommodated at the discretion of the instructor or program director.Clinical TrainingQ: How many hours of clinical training am I expected to perform?A: 960+ hours in affiliated medical facilities.Where will the clinical training be conducted?A: Your internship will be provided through our affiliated clinical facilities. These facilities consist of hospitals, outpatient imaging facilities and private doctors’ offices. It is the student’s responsibility to commute to the various internship sites. The list of the clinics is fluid, and ever changing.Q: Will I be clinically evaluated during my internship?A: Yes, all students will be evaluated on a continual basis onsite by the program director/clinicalcoordinator, as well as the student’s clinical instructor. These evaluations will take place at the internship site. All interns will be notified in advance of their upcoming evaluations.TuitionQ: How much doe s the program cost?A: $19,500Q: Are prerequisite s included in the program cost?A: Prerequisites are billed separately from the program and are not included into the program cost.Q: Can I obtain financial aid?A: Our institution does not provide financial aid, nor accepts grants. Graduation InformationQ: Once I graduate from the program will I be getting a degree or certificate?A: The Vocational Nursing Program is a certificate program.Q: Once I graduate where am I eligible to work?A: Upon successful completion of the program and after obtaining the license, graduates will be able to obtain entry level positions i n hospitals, outpatient centers, doctors’ offices, and other facilities thatutilize Licensed Vocational Nurses.Q: Do you offer job placement?A: Yes; we assist with job placements for all students who successfully complete the program.However, we cannot guarantee employment.Q: Will the program prepare me to pass the NCLEX exam?A: Yes. NCLEX test preparation is strongly emphasized throughout our students’ enti re curriculum at Stanton University. We also teach NCLEX preparation class towards the end of the program andconduct reviews as well as optional NCLEX preparation courses。