2000～2001学年第二学期《 高等数学 》期末考试试题（180学时） 专业班级 学号_______________ 姓名
一、 已知一个二阶常系数线性齐次微分方程有相等的实根a ，试写出此微分方程及通解。
（8分）
二、 设幂级数∑∞=?0
)1(n n n x a
在x =3处发散，在x =1处收敛，试求出此幂级数的收敛半径。（8分） 三、 求曲面323
=+xz y x 在点（1，1，1）处的切平面方程和法线方程 。（10分）
四、 设)(,0x f x >为连续可微函数，且2)1(=f ，对0>x 的任一闭曲线L，有0)(43=+∫L dy x xf ydx x ，求)(x f 。
（10分） 五、 设曲线L （起点为A ，终点为B ）在极坐标下的方程为36(,2sin πθπθ≤≤=
r ，其中θ=6π
对应起点A ，3
π
θ=对应终点B ，试计算∫+?L xdy ydx 。（10分） 六、 设空间闭区域Ω由曲面222y x a z ??=与平面0=z 围成，其中0>a ，Σ为Ω的
表面外侧，且假定Ω的体积V 已知，计算：
∫∫Σ=+?.)1(2222dxdy xyz z dzdx z xy dydz yz x 。（10分）
七、 函数),(y x z z =由0),(=z y
y x F 所确定，F 具有连续的一阶偏导数，求dz 。
（12分） 八、 计算∫∫∫Ω
+,)(22dxdydz y x 其中Ω是由平面z =2与曲面2222z y x =+所围成的闭区域。（12分）
九、 已知级数
∑∞=1n n U 的部分和arctgn S n =，试写出该级数，并求其和，且判断级数∑∞=1n n tgU
的敛散性。（12分）
十、 设)(x f 连续，证明∫∫∫??=?A
A D dt t A t f dxdy y x f |)|)(()(，其中A 为正常数。D ：2||,2||A y A x ≤≤
。（8分）
0305马克思主义理论一级学科 博士、硕士学位基本要求 第一部分学科概况和发展趋势 马克思主义是科学的世界观和方法论，是反映客观世界特别是人类社会本质和发展规律的科学，是关于无产阶级和人类解放的学说。对马克思主义既应该从哲学、政治经济学、科学社会主义等方面进行分门别类的研究，更应该进行整体性研究，以利于完整地把握它的科学思想体系。马克思主义理论学科，就是对马克思主义进行整体性研究的一级学科。它与哲学一级学科下的马克思主义哲学、理论经济学一级学科下的政治经济学、政治学一级学科下的科学社会主义与国际共产主义运动、中共党史(含党的学说与党的建设)等学科方向一起，构成了马克思主义学科系统。 马克思主义理论一级学科目前下设马克思主义基本原理、马克思主义发展史、马克思主义中国化研究、国外马克思主义研究、思想政治教育、中国近现代史基本问题研究6个学科方向。 马克思主义理论学科适应时代和实践发展的需求，担负着马克思主义理论人才培养、科学研究、社会服务和文化传承创新的任务，同时为高校思想政治理论课教育教学提供学理支撑。马克思主义理论学科建设和发展，遵循学科建设的一般规律、马克思主义理论发展的规律和思想政治理论课教育教学的规律；注重马克思主义理论的整体性，加强马克思主义各个主要组成部分之间内在关系的研究和把握，加强马克思列宁主义、毛泽东思想和中国特色社会主义理论体系内在关系的研究和把握，努力提高学科质量和水平。 武汉大学是我国最早的马克思主义研究和传播的阵地，学科历史悠久，学术积淀深厚，1996年获批马克思主义理论与思想政治教育博士点，2002年获批国家重点学科；2006年获得马克思主义理论一级学科博士学位授予权（均属于本学科第一批授权点单位）。马克思主义理论学科下设马克思主义基本原理、马克思主义发展史、马克思主义中国化研究、国外马克思主义研究、思想政治教育、
Unit one Stumbling block in intercultural communication 1 在这个国际舞台发生重大变化的时刻，探讨为什么尝试交流的结果却令人失望的原因是必要的，这些原因实际上是跨文化交流中的绊脚石。 It’s appropriate at this time of major changes in the international scene to take a look at some of the disappointing results of attempts at communication. They are actually stumbling block in international communication. 7 本国居民可能会被灌输有这种期望：既然外国人穿着合适，并且能说一些本国话，那么他或她也有同样的非语言的准则、想法和感觉。 The native inhabitants are likely to be lulled into the expectation that ,since the foreign person is dressed appropriately and speak some of the language,he or she will also have similar nonverbal codes ,thoughts and feelings. 8 更糟糕的问题是死死抱住新语言中一个词汇或短语的一种意义，而不顾隐含义和语境。 A worse language problem is the tenacity with which someone will cling to just one meaning of a word or phrase in the new language, regardless of connotation or context. 11 先入为主和程式化思维的现象
高等工程数学试题 ( 工程硕士研究生及进修生用 2007年1月 ) 注意：1. 答案一律写在本试题纸上，写在草稿纸上的一律无效； 2. 请先填好密封线左边的各项内容，不得在其它任何地方作标记； 3. 本试题可能用到的常数: ,,1448.2)14(1604 .2)13(975.0975.0==t t 0.900.900.95(11)39.9(12)8.53 1.645F F u === , , ,, . 一 填空题(每空3分,共30分) 1. )(P 2t 中的多项式132)(2 +-=t t t p 在基)}2)(1(11 {---t t t , ,下的坐标向量为 . 2. 设0α是欧氏空间n V 中固定的非零向量,记0{ |0}n W V ξαξξ? =<>=∈,, ，则 )dim(=W . 3. 设111121i A i +?? =? ?-?? ，则|||| A ∞=. 4．设? ?? ? ????=c c c A 2000001，则当且仅当实数c 满足条件 时，有O A k k =+∞→lim ． 5. 设??? ?????=111001A 的奇异值分解为H V ΣU A =，则 =Σ． 6. 设)(21X X ,是来自)0(~2 ,σN X 的样本，则当常数 =k 时有 10.0)()()(2 212212 21=? ?????>-+++k X X X X X X P ． 7. 对某型号飞机的飞行速度进行了15次试验，测得最大飞行速度的平均值 )s /m (0.425=x ，样本标准差2.8=s .根据长期经验，可以认为最大飞行速度X 服从正 态分布) (2 σN , μ，则 μ的置信度为95%的置信区间是 ) ( , . 8. 设总体 X 的概率密度函数为 )0( . 0,0,0,)(>?????≤>=-λλλx x e x f x ,,21X X …n X ,是来自总体X 的样本, 则未知参数λ的矩估计 ?=λ. 9. 为了检验某颗骰子是否均匀，将其掷了60次，得到结果如下： 11 10137811 6 54321 数频出现点数 则2χ拟合优度检验中的检验统计量=2 χ______________ . 学院（部） 学号（编号） 姓名 修读类别（学位/进修） （ 密 封 线 内 请 勿 答 题 ） …………………………………………密………………………………………封………………………………………线…………………………………………
English Examination for Graduates (Paper A) 20111229 I. Listening Comprehension (20%) Directions: In this part, you are going to listen to four passages. At the end of each passage, you will hear some questions. Both the passages and the questions will be read only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C, and D. Then mark your answer on the Answer Sheet. Questions 1 to 5 are based on the following passage. 1. A. He read a lot of books on management. B. He made every step safe enough. C. He prepared himself well beforehand. D. He had knowledge for the next phase. 2. A. news reporter B. American dream C. lucky boy D. poor child 3. A. generals B. committees C. armies D. schools 4. A. reading different books B. attending seminars C. listening to audiotapes D. learning on one’s own 5. A. face-to-face contact B. eyeball-to-eyeball contact C. person-to-person contact D. call-to-call contact Questions 6 to 10 are based on the following passage. 6. A. More and more people take up the habit of smoking. B. There are more smoking women than smoking men in the USA. C. It is good news that more people have given up smoking. D. The U.S. has more smoking people than any other country. 7. A. age, income and education B. age, sex and income C. occupation, income and sex D. occupation, income and education 8. A. City people are less likely to smoke. B. People in rural areas are more likely to smoke. C. Men with higher incomes tend to smoke. D. Well –educated men with high incomes are generally less likely to smoke. 9. A. The situation is quite the same for women as for men. B. Better-educated women are likely to smoke heavily. C. There are more women smokers with low incomes. D. Women with higher incomes and higher education do not tend to smoke. 10. A. The picture about the teenage smokers is similar to that of women smokers. B. The situation among teenagers is quite the same with men. C. High school students are more likely to smoke than college students. D. Farmers? children tend to smoke more. Questions 11 to 15 are based on the following passage. 11. A. crying one’s goods in the street B. signs with pictures
2016年武汉大学马克思主义学院硕士研究生拟录取名单公示 复试内容包括：专业课笔试、外语听力口语测试、综合面试（含治学态度、动手能力、专业思想、心理素质等综合素质和培养潜力）三个部分。复试成绩占总评成绩的40%，其中专业课笔试占10%（专业课笔试考试时间为120分钟，满分为100分）；外语听力口语测试占5%；综合面试占25%（考生综合面试时间原则上不少于20分钟）。同等学力考生加试两门本科主干课程，每门课程考试时间为180分钟，满分100分。 以下是东湖武大考研网整理收集的2016年武汉大学马克思主义学院硕士研究生拟录取名单，如果考生有其他考研疑问，可以联系官网右侧的咨询老师。 根据学校研究生招生工作的有关精神及学院硕士研究生复试工作实施细则，我院2016年硕士研究生复试工作已结束。经综合初试和复试的总成绩排名，学院研究生招生工作领导小组审核批准，2016年硕士研究生拟录取名单已确定。根据招生计划共录取80名（含推免生23名、夏令营优秀营员15名）。拟录取名单公示见附件。 姓名报考号初试成绩 （60%） 复试成绩 （40%） 总成绩拟录取状态备注 胡孟洁10486611801642240190.8184.45拟录取安立琼10486611801649539989.1383.53拟录取严心诚10486611801648438689.2582.02拟录取黄璐1048661180064443858981.8拟录取丁宏霈10486611801643238491.1382.53拟录取胡健10486611801642337887.0680.19拟录取桂爽10486611801643537477.0675.71 罗楠10486611801648137383.2578.06拟录取胡悦10486611801643737185.5678.75拟录取严慧兔10486611801647836881.8176.89拟录取李杰10486611800643536674.573.72
Keys to Paper A (1---65 题每题一分，客观题共65分) 1-10 B D A C B C C D A B 11-20 A B D A C A D C B D 21-30 B D C A B D C A C B 31-45 D A D A B D C A C B C D C A B 46-55 A D C A B A C C D D 56-65 A C D B D A B C C D Part IV 汉译英（评分给正分，每小题都需打分，精确到0.5分） 1. China is a large country with four-fifths of the population engaged in agriculture, but only one tenth of the land is farmland, the rest being mountains, forests and places for urban and other uses. (2分) 2. An investigation indicates that non-smoking women living in a smoking family environment for 40 years or still longer will have double risk of developing lung cancer. （2分） 3. In our times, anyone who wants to play an important role in a society as he wishes must receive necessary education. With the development of science, more courses are offered in primary schools and middle schools. Compared with the education in the past, modern education places more stress on practicality. (3 分) 英译汉（评分给正分，每小题都需打分，精确到0.5分） 4. 程式化思维是人们交流的绊脚石，因为它有碍于人们对事物的客观观察。客观观察指人 们敏感地搜寻线索，引导自己的想象更接近他人的现实。（2分） 5. 当经济学家最初探讨经济发展的原因时，他们发现：人们一直认为无法解释的剩余因素是人力资本。人力资本，即人口的技能，是造成各国生产力差距以及地位不平等的一个重要因素。（3分） 6. 下文从解决妇女贫困问题的角度出发，探讨两性平等、减轻贫困和环境的可持续性诸目的之间的协同作用，涉及能源短缺、水资源缺乏、健康、气候变化、自然灾害，以及授予妇女在农业、林业、生态多元化管理领域中的权力使之创造可持续的生存方式等问题。（3分） Part V Summary （20分） 评分标准：主要看考生是否了解概要写作的方法以及能否用恰当的语言来表达。概要一定要客观简洁地表达原文的主要内容，不需要评论，不能照抄原文。具体给分标准为：（1）内容和形式都达标，仅有一二处小错：18-19分。（2）内容缺少一到三点，形式错误不过三处：16-17分。（3）内容欠缺较多，形式错误有五六处：14-15分。（4）内容欠缺较多，形式错误有十来处：12-13分。 Science and Humanity The twentieth century has made greater change to the world, which was brought by the progress in science, than any previous century. Unfortunately, not all these changes did good to the human society. Some of them have done serious damage to mankind and have been even predicted to destroy the whole world someday if out of control. In fact, mankind is not biologically programmed for violent behaviors like war. People are faced with a dilemma in which we would like to see science develop freely, but cannot afford the result of that. It is a
《高等工程数学》试题 注意：1. 考试时间2.5小时，答案一律写在本试题纸上，写在草稿纸上的一律无效； 2. 请先填好密封线左边的各项内容，不得在其它任何地方作标记； 3. 可能需要的常数：0.900.950.9951.282, 1.645, 2.576u u u === 一、填空题(本题共10空，每空3分，满分30分.把答案填在题中的横线上) 1. 给定线性空间22R ?的基： 1001000000001001??????????=??????????? ?????????，，，B 及线性变换Tx Px =，其中22 011 0P x R ???=∈???? ，.则T 在基B 下的矩阵为 A =. 2. 设123{}e e e =，，B 是欧氏空间3 V 的标准正交基，令112213.y e e y e e =+=-，则由B 出发，通过Schmidt 标准正交化方法可求得12span{}y y ，的标准正交基为 (用123e e e ，，表示） ． 3．设211113 01021i 0A x ???? ????==????+???? ，，其中i =. 则2|||||||| A Ax ∞?=. 4．当实常数c 满足条件 时，幂级数1116 k k k c k c ∞ =?? ??-?? ∑收敛. 5．对称阵321220103A ?? ??=????的Cholesky 分解为 A =. 6．设12101210()()X X X Y Y Y ，，，， ，，，是来自正态总体2~()X N μσ，的两个独立样本，则当常数 c =时，统计量4 21 10 2 5()() i i i i i i X Y c X Y ==-? -∑∑服从F 分布． 7．袋中装有编号为1~N 的N 个球(N 未知)，现从袋中有放回地任取n 个球，依次 记录下球的编号为12.n X X X ，，，则袋中球的个数N 的矩估计量为? N =. 8．设12n X X X ，，，为来自总体~(1)X N μ，的样本.为得到未知参数μ的长度不 超过0.2、置信度为0.99的双侧置信区间，其样本容量至少应满足 n ≥. 学院（部） 修读类别（学位/进修） 姓名 学号（编号） （ 密 封 线 内 请 勿 答 题 ） ……………………………………密………………………………………封………………………………………线……………………………………
Intercultural Communication In recent years, it is widely acknowledged that interculturalcommunication has been becoming an increasingly common phenomenon. From my point of view, a number of factors could account for this trend. First and foremost, the development of transportation.Now jet planes fly everywhere. It used to take months to travel from Shanghai to Los Angeles, but now it takes only 12 hours. It is now much easier for people to move from one country to another. People of different countries and races get together much oftener than before. What’s more, the advancementof communication means. Nowadays people get in touch with each other in various ways, through internet, telephone, mobile phone and so on. These efficient means sharply promote intercultural communication to a large extent. Besides, the ongoingof economicglobalization.Since economic globalization lead to the production and market globalization, more and more multinational corporations now operate in quite a few countries. Theiremployees are of different ethnic groups and from different countries. Last but not the list, the increasing of https://www.doczj.com/doc/0213273901.html,lions of people now move across national borders every year. Therefore, all these causes contribute to the fact that intercultural communication is now a daily occurrence. Its importance now is being recognized by a growing number of people.
中南大学工程硕士“高等工程数学”考试试卷（开卷） 考试日期：2013年 月 日 时间110分钟 注：解答全部写在答题纸上 一、填空题(本题24分，每小题3分) 1. 对矩阵 A 进行Doolittle 分解的条件是 ； 2．设总体2212~(,),~(,)X N Y N θσθσ，从总体分别独立抽取容量为,m n 的简单随机样本 12(,,,)m X X X ，12(,,,)n Y Y Y 。记2,X X S 为样本12(,,,)m X X X 的样本均值与方差，2,Y Y S 为 样本12(,,,)n Y Y Y 的样本均值与方差，则12θθ-的95%的置信区间为 ； 3．如果2 113342 53,5351154 6 4Ax b A ??????? ? ==?????????? ，矩阵A ∞= ， 利用Jacobi 和 Gauss-Seidel 迭代法求解此方程组的敛散性情况是 ； 4．在进行二元方差分析时，当两个因子之间存在交互作用时，需要进行重复试验，假设两个因子都取3水平，各种组合时试验的重复次数均为4，则体现两因子的交互作用的平方和的自由度是 ； 5．函数22 1212(,)y f x x x x ==，已知1x 和2x 的绝对误差限分别为1()0.1x ε≤和2()0.2x ε≤，则函数 值的绝对误差限为： ； 6．线性规划123123123123min 32..2363260,0,x x x s t x x x x x x x x x +-? ?++≥??-+≤? ?≤≥-∞≤≤∞ ? 的标准形式是 ； 7．方程()sin(1)2 x f x x =+- 与()x x ?== 等价，由于迭代函数()x ?满足： ，可用迭代法求方程()0f x =的唯一正根* x 的近似值； 8. 设011n n a x x x x b -=<< <<=为区间[,]a b 的n 等分点，n T 和2n T 为定积分()b a f x dx ?复合梯 形公式，利用Romberg 思想写出复化Simpson 求积计算式 n S = 。 二、（本题14分）某工厂生产A 、B 两种产品，需利用甲、乙两种资源。已知生产产品A 一件 需消耗资源甲、乙分别为3吨、4吨，生产产品B 一件需消耗资源甲、乙分别为4吨、3吨。A 、B 产品每件产值分别为1、2万元。工厂现有甲、乙资源量分别为120、120吨。 （1） 建立工厂安排生产使总产值最大数学模型。 （2） 列出并利用单纯形法求工厂的最优生产方案。
Oral Test (Band 1) For Grade 2012 (2012, 12 ) Topic 1: Love from Parents Directions: Some people say that motherly love is unconditional, while fatherly love is conditional. Create a conversation with your partner(s) and exchange your opinion on love from your parents respectively. Topic 2: Winning In the World Directions: Have a discussion with your partner(s) about winners in your eyes. What do you think are the most important factors that contribute to one’s success? Offer your reasons. Topic 3:A Phone Call-Making a Hotel Reservation Directions: Suppose you are a hotel receptionist and your partner is a customer who calls to make a hotel reservation. Make a conversation with your partner and get some information necessary about him/her, such as name, single or double room he/she wants, the number of nights and dates. Meanwhile, offer some information about the hotel, such as its location, price and service, etc. Topic 4: Dreams Directions: Everyone dreams. How often do you dream, and what sort of dream do you usually have? Do you believe in dreams’ function of predicting? What are the possible causes of dream? Talk with your partner(s) about these issues concerning dream. Topic 5: Dream Your Own Dream Directions: Making a dream is very common in our daily lives. What dream do you have? What will you do to realize your dream? Topic 6: Psychology in Daily Life Directions: Do you think a placebo may help a patient get well? Discuss with your partner(s) about the reasons for placeboes’ helping to he al the patients and how to make good use of psychology in daily life. Topic 7: Talking about Schedule Directions: You are to invite your partner to play badminton, but he/she is busy at the moment. Create a conversation with your partner by exchanging your information on daily schedule and deciding on a date for fun. Topic 8：Self-introduction Directions: Suppose this is your first day in class. You and your partner are getting to know each. Make a conversation by exchanging your information such as name, hometown, department, major, personalities, telephone numbers etc. Topic 9: Choosing a Job Directions: You and your partner(s) are talking about choosing a job. Exchange your opinion on the ideal job in your minds and the factors you will take into consideration when choosing a job.
南京理工大学 工程硕士高等工程数学学位课程考试试题（2010.3） （一）矩阵分析 一．（6分）设,021320012???? ? ??-=A 求21,,A A A ∞值。 二．（8分）已知函数矩阵：22222222222223332t t t t t t At t t t t t t t t t t t t e e e e e e e e e e e e e e e e e e e ?? --- ? =--- ? ?---? ? ， 求矩阵.A 。 三．（10分）已知矩阵82225 42 4 5 --=A ，()??? ? ? ??=099t t e e t b （1）求At e ； （2）求解微分方程()()()()()?? ? ??=+=T x t b t Ax dt t dx 2,0,10。 四．（10分）给定3 R 的两个基 ()T x 1,0,11= ()T x 0,1,22= ()T x 1,1,13= ()T y 1,2,11-= ()T y 1,2,22-= ()T y 1,1,23--= 定义线性变换：i i y Tx = ()3,2,1=i （1）写出由基321,,x x x 到基321,,y y y 的过渡矩阵； （2）写出T 在基321,,x x x 下的矩阵； （3）写出T 在基321,,y y y 下的矩阵。 五．（8分）给定(){} R a a A R ij ij ∈==??222 2（数域R 上的二阶实矩阵按矩阵的加法和数乘 构成的线性空间）的子集 {}022112 2=+∈=?a a R A V （1）证明V 是2 2?R 的线性子空间；
武汉大学硕士英语期末考试汉译英题库（从里面考） 1.走社会主义道路，就是要逐步实现共同富裕，共同富裕的构想是这样的：一部分地区有条件先发展起来，一部分地区发展慢点，先发展起来的地区带动后发展的地区，最终达到共同富裕……解决的办法之一，就是先富起来的地区多交点利税，支持贫困地区的发展。 To take the road to socialism is to realize common prosperity step by step.Our plan is as follow:where condition s permit,some areas may develop faster than others;those that develop faster can help promote the progress of those that lag behind,until all become progress…One way is for the areas that become prosperous frstt to support the poor ones by paying more taxes or turing in more profits to the state 2.现阶段中国已经实现了粮食基本自给，在未来的发展过程中，中国依靠自己的力量实现粮食基本自给，客观上具备诸多有利因素。 Chian has bascilly achieved self-sufficiency in grain at the present stage,and there are many favorable objective factors for her to maintain such achievement by her own efforts in the course of future development. 3.社会主义用实践向世界表明，中国反对把霸权主义、强权政治，永不称霸。 Scoialist China should show the world through its actions that it is opposed to hegemonism and power politics and will never seek hegemony. 4.过去，只讲在社会主义条件下发展生产力，没有讲还要通过改革解放生产力，不完全。应该把解放生产力和发展生产力两个讲全了。 In the past,we only stressed expansion of the productive forces under socialism,without mentioning the need to liberate them through reform.That conception was incomplete. Both the liberation and the expansion of the productive forces are essential. 5.同时，我们的对外开放采取了多种方式，包括搞经济特区，开放十四个沿海城市。 In the meantime,we have implemented the policy of opening China to the outside world in many ways,including setting up special economic zones and opening14coastal cities. 6.改革开放迈不开步子，不敢闯，说来说去就是怕资本主义的东西多了，走了资本主义道路。要害是姓“资”还是姓“社”的问题。 The reason some people hesitate to carry out the reform and the open policy and dare not break new ground is ,in essence,that they’re afraid it would mean introducing too many elements of capitalism and,indeed,taking the capitalist road.The crux of the matter is whether the road is capitalist or socialist. 7.过去我们搬用别国的模式，结果阻碍了生产力的发展，在思想上导致僵化，妨碍人民和基层积极性的发挥。 We used to copy foreign models mechanically,which only hampered the development of our productive forces, induced ideological rigidly and kept the people and grassroots units from taking any initiative. 8. 中国与东盟各国或山水相连，或隔海相望，在悠久的交往中，人民之间形成了深厚的传统友谊。 Joined together by mountains and rivers or facing with other across the sea, China and ASEAN countries have developed a profound traditional friendship among the people in the course of their age-old contacts and exchanges. 9.我们正处在世纪之交的重要历史时刻，应该以长远的战略眼光审视和处理双方关系，建立中国与东盟面向二十一世纪的睦邻互信伙伴关系。
2019武汉大学博士学位英语考试重点复习 一、段落分析 第一课的第三段： Our second major discovery was that the Information Marketplace will dramatically affect people and organizations on a wide scale. Besides its many uses in commerce, office work, and manufacturing, it will also improve health care, provide new ways to shop, enable professional and social encounters across the globe, and generally permeate the thousands of things we do in the course of our daily lives. It will help us pursue old and new pleasures, and it will encourage new art forms, which may be criticized but will move art forward, as new tools have always done. It will also improve education and training, first in specific and established ways and later through breakthroughs that are confidently awaited. Human organizatio ns from tiny companies to entire 第一课的第十二段： The wise eye will also see that the Information Marketplace is much influential than its parts—the interfaces, middleware and pipes that make up the three-story building on which we stand. Once they are integrated, they present a much greater power—the power to prevent an asthmatic from dying in a remote town in Alaska, to enable an unemployed bank loan officer to find and succeed at a new form of work, to allow a husband and wife to revel in the accomplishments of a distant daughter while also providing emotional and financial support. These powers are far greater than 第八课的第一段： Countless cultures around the world have disappeared, along with their mythologies. In Mesoamerica, dozens of ornate Mayan temples lie mute, as do an untold number of Incan