问题 单项选择题 A3/A4型题

某蓄电池厂男工,工龄8年。主诉头昏、头痛、乏力、记忆减退、睡眠障碍、食欲减退、脐周隐痛。经检验尿中δ-ALA为28.6μmol/L。

最可能的诊断为()

A.慢性铅中毒

B.慢性苯中毒

C.慢性汞中毒

D.慢性氰化物中毒

E.慢性硫化氢中毒

答案

参考答案:A

解析:成年人铅中毒后经常会出现疲劳、情绪消沉、心脏衰竭、腹部疼痛、高血压、关节疼痛、生殖障碍、贫血、中毒性外周神经病等症状。重度可有铅麻痹、中毒性脑病。尿δ-ALA增多和蓄电池厂工作均提示铅中毒,故选A。其他选项均不符。

选择题
单项选择题 案例分析题

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 customer service an important element?()

A.To retain and keep customers.

B.To gather information about competitors.

C.To develop new market.

D.To strengthen business partner relationships.