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建设工程施工过程中存在（），监理人员在进行质量检验时极易产生将不合格的建设工程误认为是合格品的判断错误。
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10名女油漆工在一大罐内手工涂漆，未采取个人防护措施，罐内亦无通风设备。工作不久即感头昏、胸闷、气短、全身无力，15～20分钟内有4名油漆工倒地昏迷，神志不清，立即送医院抢救。经对症治疗，3天后均痊愈出院。经了解，稀释油漆的溶剂为二甲苯。模拟现场作业条件，测定空气中二甲苯浓度为1020mg／m3最经济可行的防护措施是（）。
男性，65岁。头晕、心悸一周，偶有晕厥。既往有高血压、冠心病病史，血压140/70mmHg，心律不齐。心电图示PR间期为0.22秒，部分P波后有QRS波群脱落。其与窦房传导阻滞的区别在于（）
2008年5月10日，胡锦涛主席访问了日本奈良的唐招提寺。该寺距今已有1200多年的历史，当初是为从唐朝来的鉴真和尚建的道场。以下研究鉴真东渡历史的方法和途径中最不可靠的是（）
Logistics System A logistics system consists of different functions and activities,such as the following: 1.Customer service is a core function in the logistics process.Each business entity should have a customer service department to handle complaints,special orders,loss and damage claims,returns,bills problem,and etc．This function becomes crucial because any dissatisfaction can lead to failure to retain customers. 2.Inventory management is to maintain the stock of raw materials and half-finished products.In order to satisfy the customers＇demand and minimize costs,a company should establish an optimal level of inventory to meet the market demand that exceeds our expecta-tions,and at the same time,minimize your inventory holding costs and inventory write-down costs. 3.Transportation has taken a great role in many logistics systems for two reasons.First of all,globalization and importing-exporting activities make most products necessary to be transferred from one country to another.Secondly,information revolution has propelled the manufacturing process and consumer behaviors to be changed drastically.Traditional trans-portation methods need to be upgraded to accommodate modern transportation demand,therefore,containerization and usage of information sharing system emerge. 4.Storage is needed to manage the materials and store ready-for-market products in warehouses.There is new technology applied in the storage,for example,automatic ware-house.Old-fashioned warehouse has become the distribution center where container trucks deliver and pick up the goods. 5.Information system links all logistics processes and integrates all information to en-sure all the handling of large quantity of goods are delivered in an efficient,cost-effective and accurate manner. Questions:Why is transportation so important to the current business environment？（）
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