ABB集团 2014年机经
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ABB集团(重定向自ABB)全球最大的电力和自动化技术公司之一:ABB集团(ABB Group,阿西布朗勃法瑞)ABB集团官方网站: /英文ABB集团中国网站: /中文[编辑]ABB集团简介ABB集团(阿西布朗勃法瑞)于1988年由瑞典ASEA 公司和瑞士BBC Brown Boveri公司合并而成,是一个业务遍及全球的电气工程集团,ABB是电力和自动化技术领域的全球领先公司,致力于为工业和电力行业客户提供解决方案,以帮助客户提高业绩,同时降低对环境的不良影响。
ABB集团的业务遍布全球100多个国家,拥有107,000名员工。
为全球100多个国家的顾客提供服务。
ABB集团超过一半的营业额来自欧洲市场;近四分之一来自亚洲、中东和非洲;五分之一强来自南北美洲市场。
ABB集团下设三个业务部门,分别为电力技术,自动化技术和石油/天然气/石化行业。
ABB集团位列全球500强企业。
集团总部位于瑞士苏黎世,并在苏黎世、斯德哥尔摩和纽约证券交易所上市交易。
ABB由两个历史100多年的国际性企业-瑞典的阿西亚公司(ASEA),和瑞士的布朗勃法瑞公司(BBC Brown Boveri) 在1988年合并而来的。
[编辑]ABB集团发展历程∙1987年8月,瑞典Västerås的ASEA AB公司与瑞士Baden的BBC Brown Boveri宣布了将要合作成立ABB Asea Brown Boveri有限公司的消息,公司总部将设在瑞士的苏黎世,原先的两家公司各自拥有50%的股份。
∙1988年1月5日合并后的新公司开始营业,在营业的第一年中,公司共收购了15家公司,其中包括瑞典的环保监控公司Fläkt AB公司,意大利的合作公司Sadelmi/Cogepi公司,丹麦的铁路产品制造公司Scandia-Randers A/S公司。
∙1989年12月,ABB公司最终收购了负责全球能源传输的美国Westinghouse电力公司。
ABB培训教材1. 介绍1.1 简介在现代工业生产中,已经成为不可或缺的一部分。
ABB (Asea Brown Boveri)是全球领先的工业自动化和电力技术公司之一,其开发了各种类型的高性能。
1.2 目标读者群体这份培训教材适用于那些对ABB感兴趣并希望学习如何使用它们进行自动化任务的个人和团队。
2. ABB概述2.1 历史背景- 成立时间:1883年- 公司总部:瑞士苏黎世2.2 主要产品系列ABB提供多款型号、尺寸和功能特点不同的工业级别智能化协作式及传统型轨道/非轨道运行模式下应用灵活度较弱等各类专利保护品牌名称包括但不限于IRB120, IRB140, IRB1600ID等3.基本操作指南此章节将详细说明以下内容:a) 如何启动与关闭一个ABB robot;b) 如何控制robot 的移动;c) 如何设置和调整robot 的工作参数;d) 如何编写并运行一个简单的程序。
4.高级操作指南此章节将详细说明以下内容:a)如何使用ABB进行复杂任务,例如焊接、装配等; b)如何利用传感器与外部设备集成以实现更多功能;5. 故障排除与维护5.1 常见故障及解决方法- 硬件问题:电源故障、连接错误等。
- 软件问题:程序崩溃、通信失败等。
5.2 维护建议提供定期保养和检查所需的步骤,并提出一些建议来确保其正常运行。
6.附件在本文档中涉及到了一些示例代码和图表。
这些附加文件可以在[]处。
7.法律名词及注释• ABB: 全称为Asea Brown Boveri,是瑞士苏黎世总部的跨国公司,在全球范围内从事自动化技术开发和销售业务。
2014年国内外著名机器人伺服电机制造企业名单装备来源:OFweek工控网时间:2014/9/1责任编辑:yinpeipei评论繁体随着全球人力成本的上涨,制造业生存压力日益加大,机器人产业的发展迎来一个需求快速发展的阶段,新一代制造业中机器自动化将变得越来越重要。
来自中国机器人产业联盟和国际机器人联合会的统计数据显示,2013年中国市场工业机器人销售总量比2012年增长约36%。
中国不仅已经成为世界上最大的机器人市场,也是成长最快的市场。
伺服电机作为工业机器人的重要组成部分,其相关产业也是如火如荼,遍地开花。
根据最新业内信息,小编盘点了2014年国内外著名机器人伺服电机制造企业。
2014年国内外著名机器人伺服电机制造企业名单国内上市公司新时达上海新时达电气股份有限公司是专业研发生产销售工业控制、传动控制、运动控制和机器人产品并服务于全球的高新技术企业,创立于1995年。
上海新时达机器人有限公司是新时达股份全资子公司。
2003年新时达收购了德国AntonSigrinerElektronikGmbH公司,秉承德国 Sigriner科学严谨的创新理念,不断追求卓越品质,分别在德国巴伐利亚与中国上海设立了研发中心,把全球领先的德国机器人技术引入中国。
2013年在中国上海建立了生产基地,机器人产品系列已覆盖6kg~275kg。
自创立以来,新时达始终致力于产业自动化控制产物的研发、制造和销售。
公司主营业务分三大类,一类是电梯控制产物以及电梯物联网,主要包罗电梯控制成套系统以及相关配件产物,遍及适用于种种电梯的制造、更新以及维修调养;第二类是节能与产业传动类产物,主要包罗高、低压种种产业控制变频器、电梯专用变频器、电梯一体化驱动控制器等,遍及适用于电梯、起重、口岸机械、橡塑、冶金、矿山、电力、市政、水泥、包装印刷、空压机、机床等各个行业;第三类是机器人与运动控制类产物,主要包罗六自由度产业机器人系列产物、机器人控制器、机器人专用伺服系统、总线及脉冲型种种通用交流伺服系统等,应用于电梯、食品加工、包装、电子加工、数控机床等种种设备,以及搬运、焊接、打磨、切割等各个制造环节。
ABB集团全球最大的电力和自动化技术公司之一:ABB集团(ABB Group,阿西布朗勃法瑞)ABB集团官方网站: / 英文ABB集团中国网站: / 中文目录1 ABB集团简介2 ABB集团发展历程3 没有国界的ABB集团4 ABB在中国ABB集团简介ABB集团(阿西布朗勃法瑞)于1988年由瑞典ASEA 公司和瑞士BBC Brown Boveri 公司合并而成,是一个业务遍及全球的电气工程集团,ABB是电力和自动化技术领域的全球领先公司,致力于为工业和电力行业客户提供解决方案,以帮助客户提高业绩,同时降低对环境的不良影响。
ABB集团的业务遍布全球100多个国家,拥有107,000名员工。
为全球100多个国家的顾客提供服务。
ABB集团超过一半的营业额来自欧洲市场;近四分之一来自亚洲、中东和非洲;五分之一强来自南北美洲市场。
ABB集团下设三个业务部门,分别为电力技术,自动化技术和石油/天然气/石化行业。
ABB集团位列全球500强企业。
集团总部位于瑞士苏黎世,并在苏黎世、斯德哥尔摩和纽约证券交易所上市交易。
ABB由两个历史100多年的国际性企业-瑞典的阿西亚公司(ASEA),和瑞士的布朗勃法瑞公司(BBC Brown Boveri) 在1988年合并而来的。
ABB集团发展历程1987年8月,瑞典Västerås的ASEA AB公司与瑞士Baden的BBC Brown Boveri宣布了将要合作成立ABB Asea Brown Boveri有限公司的消息,公司总部将设在瑞士的苏黎世,原先的两家公司各自拥有50%的股份。
1988年1月5日合并后的新公司开始营业,在营业的第一年中,公司共收购了15家公司,其中包括瑞典的环保监控公司Fläkt AB公司,意大利的合作公司Sadelmi/Cogepi 公司,丹麦的铁路产品制造公司Scandia-Randers A/S公司。
ABB在华生产VD4真空断路器突破50万台
佚名
【摘要】2014年9月18日,ABB本土生产的第50万台VD4真空断路器在厦门ABB开关有限公司下线。
这一成功源于客户对ABB可靠电力产品与技术的充分信赖,同时也是对ABB“在中国,为中国和世界”发展理念的最好诠释。
【期刊名称】《电器与能效管理技术》
【年(卷),期】2014(000)019
【总页数】1页(P79-79)
【关键词】厦门ABB开关有限公司;VD4真空断路器;生产;电力产品;中国
【正文语种】中文
【中图分类】TM561.2
2014年9月18日,ABB本土生产的第50万台VD4真空断路器在厦门ABB开关有限公司下线。
这一成功源于客户对ABB可靠电力产品与技术的充分信赖,同时也是对ABB“在中国,为中国和世界”发展理念的最好诠释。
作为ABB一款明星电力产品,VD4真空断路器主要用于对线路及负载的控制和保护。
目前,其已广泛应用于人民大会堂、北京奥运会场馆、三峡工程、中广核和宝钢等国内众多重点项目。
同时,该产品还远销多个国家和地区。
为了满足对智能化电力设备的市场需求,ABB不断对VD4进行产品升级,并在2013年向国内市场推出了iVD4智能化断路器。
一台配置了iVD4的开关设备,
如ABB智能中压开关柜iU-niGear可以实现温度和操动机构的远程监控。
通过先进的ABB云服务还可以进行远程诊断和技术支持,实现预先发现问题并为解决问题提供强大的后台技术支持。
ABB公司简介第一篇:ABB公司简介ABB公司简介ABB集团位列全球500强企业,ABB是电力和自动化技术领域的领导厂商。
ABB集团业务遍布全球100多个国家,拥有12.4万名员工,2010年销售额高达320亿美元。
ABB拥有广泛的产品线,包括全系列电力变压器和配电变压器,高、中、低压开关柜产品,交流和直流输配电系统,电力自动化系统,各种测量设备和传感器,实时控制和优化系统,机器人软硬件和仿真系统,高效节能的电机和传动系统,电力质量、转换和同步系统,保护电力系统安全的熔断和开关设备。
这些产品已广泛应用于工业、商业、电力和公共事业中。
ABB在中国通过与当地合作伙伴的密切合作,在输配电、自动化产品和系统等方面都建立起了强大的生产、工程和服务基地。
业务包括完整系列的电力变压器和配电变压器;高、中、低压开关应用;电气传动系统和电机等。
这些产品已广泛应用于工业、商业、电力和公共事业中。
2010年,ABB在中国的销售额达44亿美元,继续保持了中国作为ABB全球第一大市场的领先地位。
企业业务ABB是电力和自动化技术的全球领导厂商,致力于为工业和电力行业客户提供解决方案,以帮助客户提高生产效率,同时降低对环境的不良影响。
ABB集团的业务遍布全球100多个国家,拥有约124,000名员工。
目前,ABB下设5大业务部门:电力产品部:电力产品是输配电工程的重要组成部分。
该部门将统领ABB在世界各地的变压器、开关、断路器、电缆和辅助设备制造业务。
此外,它还提供相关服务,从而提升产品性能,延长产品生命周期。
电力系统部:电力系统部为世界各地的输配电网络和发电厂提供全套系统和服务,重点是变电站和变电站自动控制系统。
此外,该部门还提供灵活交流输电系统(FACTS)和高压直流(HVDC)输电系统以及电网管理系统。
在发电业务领域,电力系统部提供仪表产品以及电厂控制和辅助装置。
离散自动化与运动控制部:离散自动化与运动控制部提供帮助客户提高生产效率和能源效率的产品、解决方案和相关服务,其电机、发电机、传动系统、可编程逻辑控制器、电力电子和机器人产品可以广泛应用于电力、运动和控制等自动化领域。
ABB集团2014年机经1.A,B列车分别长150m,250m,相向而行。
从车头相遇到车尾分离共历时10s.速度之比为3:2 。
求两辆列车的速度差(m/s)。
答案:82.7,2,5,9,1,44,?答案是-353.2/3+8/9+26/27+……答案是94.已知93个连续自然数的和是10881,则其中第65个自然数是多少?135(a1=71,a65=a1+64=135)5.4点26的夹角是多少度?答案23度6.某企业客服服务中心员工A一分钟可处理电话投诉4个或网络投诉8个,员工B一分钟可处理电话投诉3个或网络投诉10个,现在两人各花半小时,共处理电话投诉和网络投诉244个,问A与B两人共处理电话投诉和网络投诉差距多少个?答案124个(A处理电话投诉25分钟,网络投诉5分钟;B处理电话投诉28分钟,网络投诉2分钟)7.一个工厂的时钟70分钟时针和分针才重合一次,一个工人按这个慢钟工作了9小时,国家规定正常8小时工资8元每小时,8小时外的加班时正常的1.5倍,问这个工人能拿到多少加班的工资?答案:19.58.某理科实验班一共有53人,每个人至少参加数学、物理、化学三科竞赛的一科。
已知参加数学竞赛的有46人,参加物理竞赛的有27-49人,参加化学竞赛的有35人。
那么在该班级中,三门竞赛均参加的至少有几人?2(某狗主说自己算的)9.一种产品今年成本提高15%,售价不变,利润降低了20%,但是今年销量提高了60%,最后问今年总利润提高了多少?0.2810.一个方阵,排完多7人,若加一列则少16人,求总人数。
2811.一道涂色的,5*4*3的立方体,周围涂成红色,问切割成1*1*1的小方块时有几个没涂红色的。
612.80CM的绳子,从一头开始隔3cm涂红点,再从另一端开始隔4cm涂黑点,问然后沿着这些点剪断绳子,问有多少段1cm长的?1313.阅读理解经初步核算,2013年上半年我国国内生产总值同比增长7.1%,问:2013年上半年,我国国内生产总值为()A.142953亿元B.139873亿元?C.141623亿元D.137429亿元14.请将下述5句话重新排列,正确的排列顺序是()○1一提到韩剧,在很多人的头脑里已固化成“脑残剧”、“肥皂剧”这样的刻板印象,不值一看甚至不值一提。
○2当很多人都以为“韩流”在走下坡路的时候,一部《来自星星的你》又助阵其卷土重来,炙手可热,更是成为了两会讨论的话题。
○3能在两会上被讨论,说明这部剧引起的文化现象不得不引起国人的重视,要重视,首先得正视。
○4正视之后,才可能超越,国内电视剧产业中确实存在一些结构性问题,比如产销结构、审评结构等,但也不能一味地认为是外来的和尚好念经。
○5先不说,我们得允许别国文化的进步,单说我们自身这种闭目塞听、不闻不问的傲然姿态也是岌岌可危的。
答案:1523415.血型知识告诉我们,A、B、O、AB四中血型,血型相同的人之间可以相互输血,但O血型的人可以少量输给其他血型的人,AB血型的人可以少量接受其他血型的人的输血。
已知甲、乙、丙、丁四人中:乙不能接受甲的输血,也不能输血给甲;丙能接受甲的血,但不能输血给甲;丁不能接受甲的血,却能输血给甲。
根据以上条件,可以判断出乙、丙、丁三人的血型有可能分别是?A. 乙A、丙B、丁OB. 乙B、丙O、丁ABC. 乙AB、丙O、丁BD. 乙B、丙AB、丁O16.空巢老人的问题,()着中国社会经济的转型,()着现代化过程中的矛盾。
A.折射交织B. 映射交汇C.折射交汇D. 映射交织17.图形题答案:B18.图形题答案:C(第一组图形有10条线段,因此第二组图形也应该有10条线段)19.图形题答案:D (中间图形由左边图形与右边图形叠加所得,规律是颜色相同则为黑,不同则为白)20.图形题左边给定的是纸盒的外表面,下面哪一项不能由它折叠而成?A21.图形题下面呈现的六个图形可分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一项是:()A?(从外往内,第一个框和第三个框开口相同或不同)22.图形题答案:D(猜的)?我猜是B23.图形题答案:A(轴对称+两个重复图形)24.图形题答案:C?(诡异规律:图形的洞洞数分别为0、1、2、3、4、?)25.英文阅读For many years, unemployment in the United States was lower than in Western Europe, a fact often cited by people who argued that the flexibility inherent in the American system –it is easier to both hire and fire workers than in many Europeancountries – produced more jobsThat is no longer the case. The current economic crisis has turned the case for the US model almost entirely on its head.In March, the American unemployment rate stood at 8.5 percent, the same as the average rate for the first 15 members of the European Union. In April, the rate in the United States rose to 11.9 percent. When the European figures are compiled, it seems likely that the American rate will be higher foe the first time since Eurostat, the European Union's statistical agency, began publishing unemployment rates in 1993 foe the entire European Union and foe three countries outside the union the United States, Japan and Turkey.For men, the unemployment rate in the United States surpassed that of the 15 original European Union countries in December. By March, it was 9.5 percent in the United States, compared with just 7.5 percent for women. The figures for men and women in the 15 European countries, however, are close together, at 8.4 percent and8.5 percent.The March rate for the United States was higher than the rates of 11 of the 15.The exceptions were Portugal, which has the same rate, and Spain, Ireland and France.Eight of the 15 European countries have rates that are lower than three years ago.How did that happen during a worldwide recession? First, it appears that the safety nets in many western European economies made it easier for people to keep their jobs as the economy declined, In Germany, programs allow companies severe enough and long enough, of course, it could turn out that those programs do not so much to avoid the pain as defer it.Another factor may be the lack of an economic boom in many European countries, which has left them less vulnerable to recession-related cutbacks.There is, and always has been, a large variation in economic performance among Western European countries. Even though workers generally have the right to move between countries in the European Union, doing so presents language and cultural hurdles for many.In the United States, there has been more movement of workers from depressed areas to places where the employment outlook is brighter. But the housing crisis appears to be hampering such movement because some workers own homes that are worth far less than the amount they owe on their mortgages.Question:1) The large difference in economic performance among Western European countriesis the result ofA) housing crisis B) less movement of workersC) language barriers D) cultural obstacles2) What caused the relatively lower unemployment rates in some Western European countries during the worldwide recession?A) The safety nets allowing people to keep their jobs more easily in economic slowdown.B) The employment system that enables people to get jobs more easily.C) The programs that allow people to avoid being laid off during economics recession.D) The economic system that is less vulnerable to economic crisis.3) What can be inferred from Para.5?A) The unemployment problem is less serious in most EU countries than a few years ago.B) The unemployment rates for some EU members are failing.C) Of all the first 15 EU members, France has the highest unemployment rate in March.D) Only 3 of the 15 original EU countries had unemployment rates higher than that of the United States.4) xxxxxxxxxxxxxxxxxxA) xxxxxxxxxxB) xxxxxxxxxxC) Unemployment rate for men in the United States was slightly higher than that for women.(不知道题目是什么,但狗主选C)D) Eurostat published unemployment rates for all EU countries.26.英文阅读It is not quite Benidorm yet, but Antarctica has become an increasingly popular destination for the more adven turous tourist. In this year’s southern-hemisphere summer season, running from November to March, as many as 39,000 visitors are expected to make the trip from Tierra del Fuego, the nearest jumping-off point to the wo rld’s emptiest continent. That amounts to a fourfold increase in a decade. Officials in both Chile and Argentina are getting increasingly worried about the risk of a fatal accident-"a new Titanic" as one Chilean naval officer puts it.Nobody has died so far, but there have been some near-collisions. In 2007 more than 150 people were evacuated when their ship, the Explorer, sank after hitting an Iceberg near the South Shetland Islands, They were "very lucky with the weather'', says Chile' s deputy minister for !he navy, Carolina Echeverrla. That was one of only two accidents last season, with a similar number the previous year and one so far this season.Help is usually not far away. Although cruise ships plan their route so as to keep out of each other's sight, there are generally 20 to 30 boats heading to or from the Antarctic Peninsula on any one day. Even so, surviving an accident is something of a lottery. It depends partly on the weather: Not all the ships have the covered lifeboats recommended for polar conditions. Small boats, like the Explorer, have a better chance of being able to transfer their passengers if they get into difficulties. But some cruise ships visiting Antarctica now carry almost 3,000 passengers - more than ten times the limit that offers a reasonable chance of timely rescue, according to Chile's navy.The navy is annoyed about the cost of patrols, rescue operations and cleaning up fuel spills. It wants legally binding rules, backed by penalties, for Antarctic cruise ships.But that is hard to achieve. Under the 1959 Antarctic Treaty no country can exercise sovereignty over any part of the continent and its waters are international. Some rules on tourism have been written under the treaty: cruise ships carrying over 500 passengers cannot make landings, for example. But these are not legally enforceable.Neither will be rules being debated by the United Nations' Maritime Organization onsafety requirements.Some tour operators say they would welcome tighter regulation and higher safety standards. Others insist that safety is a already adequate. The world recession may place a temporary brake on the trade. But Chilean officials reckon that the trend to big cruise ships, with their cheaper fares, will resume once recovery comes. If so, a tragedy may be only a matter of time.Question:According to the Antarctic Treaty .A) the navy should rescue as many survivors as possible in spite of high costB) no country is entitled to the rights of Antarctic· continent and its watersC) Antarctica should be open to the world without any form of restrictionsD) rules concerning Antarctica should be approved by the United Nations27.英文阅读When she graduates from Columbia University next year with a master's degree in public health, Erin Wheeler is hoping to get a job in international reproductive(生殖的) health. The 26-year-old post-graduate has always wanted to work in public service.But public service doesn't pay much, and her two year program at Columbia costs about $5,000 a year with living expenses. She has a scholarship from Columbia that covers just $4,000 a year and has taken out loans to pay for the rest. She worries from Columbia that she will spend years paying back her student loans and not have money left over to put away in an IRA(个人退休账户). Wheeler is wondering what she can do to ease the pain of being in debt. Is there anything she can do to handle the debt?The good news is that in 2007, Congress recognized that there were, so many students in Wheeler's position that it passed the College Cost Reduction and Access Act. There were two programs established by this act that Wheeler should look into.The first is income-based repayments plan, which allows lower income with a lot of debt to reduce their monthly paymen t. Depending on a graduate’s income and level of debt, the program, which goes into effect July 1, could limit his or her annual educational loan debt repayment to 15 percent of discretionary income(可随意支配的收入) , said Peter Mazareas, vice chairman of the College Savings Foundation.The second is the public service loan forgiveness plan, in which the federal government will forgive the remaining debt of borrowers who make 10-year loan payments while working full time in Public service jobs. But the graduate must have a certain loan which is listed in the plan. Depending on the level of debt Wheeler ends up with and how much she repays over 10 years, Mazareas said she could end up with about $75,000 of her debt forgiven. "Typically, it is projected that a borrower who performs public server under this program will repay only about one-fourth to one-half as much money as a borrower who does not", he said. He also pointed out that public service is broadly defined and includes any government and nonprofit organization job.Question:How can people benefit from the first plan mentioned in the passage?A) The interest of the loans will be lowered.B) The total amount of debt could be reduced.C) The income tax will be cut down.D) People will have more time to pay back the debt.28.英文阅读In this recession, it is better to be old. Being young has some advantages, too. But, being in the middle of the spectrum – in your 30s or 40s – seems to be the worst place to be.A poll of Americans released this week found people over 65 were generally suffering less from the recession. Fewer of them reported being forced to cut back on household expenses or said they had trouble meeting rent or mortgage obligations.The most vivid finding to emerge from this survey is that older Americans have been far less affected by the current storm than those who need to worry about keeping their jobs and building up diminished retirement accounts. The elderly benefit from a greater safely net than do other Americans. Many are collecting pensions, and Social Security and Medicare are available. Just 7 percent of those over 65 reported problems in obtaining or paying for health care, a third the proportion of younger adults.The collapse in stock prices last year also caused less damage to those over 65. The poll found that 23 percent of elderly Americans reported losing at least 20 percent of their investment last year, well below those further from retirement. Those over 65 presumably had more conservative investments, which fared better.The proportion of those 18 to 29 who reported large losses was even smaller, at 15 percent. It appears that many of them lost little because they had little in the way of investments to lose.Older Americans have also been less affected by rising unemployment. Fewer of them are working, of course, but the number of people over 65 with jobs has risen by 3.9 percent since November 2007, when the total number of people with jobs hit a peak. Since then, the younger the worker, the more likely he or she was to lose a job.This recession differs from recent ones in that regard. While the youngest workers have always been the most vulnerable, those over 65 fared worse than those in middle age in the three previous the early years of the 1980s and 1990s, as well as the beginning of the current decade.A rise in the number of people over 65 with jobs may not be good news, of course, since it could indicate that some retired people were being forced back into the labor market by declines in their investments. But at least many of them were able to find jobs.The poll found that the recession was having its deepest immediate impact on those ages 50 to 64. They were most likely to have suffered significant investment losses, and three-quarters of them said the recession would make it harder for them to afford retirement, a greater percentage than of either older or younger Americans. Questions:Why does the author say "a rise in the number of people over 65 with Jobs may not be good news" (Line1, Para.8)?A) Because it suggested that some retired people were forced back to work by investment losses.B) Because young and middle- aged people will have to face more competition fromjobs.C) Because they benefit from a greater safety net than other Americans.D) Because they are no longer in good health condition.29.英文阅读Humanity's greatest accomplishment of the past five decades, declared Bill Gates this week, is the reduction in the number of deaths among young children by half, to10 million a year in 2007. The world's most successful capitalist heaped praise on theWorld Health Organization (WHO), while unveiling an ambitious new global scheme to eliminate polio within a few years. For his part, the agency's top polio man, Brace Aylward, described the fight against the disease in the language of markets: "Elimination is the venture capital of public health: the risks are huge but so too are the reward."The use of this sort of language captures a change in public health in the past decade. The Gates Foundation, with its post of money and businesslike approach, has transformed the bureaucratic and disheartened world of public health. It had helped revive ailing campaigns, including the fight against polio. This will now get a fresh $500m-plus, from British and German taxpayers, from the Rotary Club International, as well as from the Gates Foundation ($255m).The decline from 350,000 new cases in 1988 (when the goal of rapid polio eradication was first declared) to 2,000 cases now (chiefly in Nigeria, India, Pakistan and Afghanistan) looks a near victory. But the final stretch is the hardest. Only one in 200 cases is readily vulnerable to early detection (as opposed to most victims of smallpox-a serious infectious disease that cause spots which leave deep marks on the skin, already eliminated). Polio is also far more infectious.Other obstacles are that the usual vaccine has not worked well in densely populated, disease-ridden central India. Researchers are now trying to find a vaccine that fits those conditions better. Neal Halsey, of Johns Hopkins University, says the "live" vaccines used commonly today must be backed up with further doses of "inactivated'' vaccine. These need to become cheaper.The fighting in Afghanistan and Pakistan has hampered vaccination programs there. So have rumors among Muslims in northern Nigeria that vaccination program was in fact a conspiracy to sterilize children. That allowed the polio virus to strengthen and spread. The Nigerian strain may have now reached a dozen other countries.The final push towards elimination will certainly be costly, though several recent studies suggest that it is cheaper to spend money on big elimination effort now than to pay the price later for sustained vigilance and health costs. The prospect of a global revival is concentrating minds. That is way, despite the daunting challenges and potential donor fatigue, the word may end up making a go of elimination this time.Questions:According to Paragraph 2, a change in the world of public health refers to the fact that public healthA) is more businesslike than what is used to beB) has received pets of money from the Gates FoundationC) is no longer bureaucratic and demoralized ?D) rest arts the campaigns which had slim chance of success30.图表题问题:从被调查的男孩中随机抽取一人,关于身高、体重的信息以下哪个选项是不正确的()A.如果他的年龄大于3岁,则其身高至少为98cm的概率大于50%。