以下不是“视觉2020”重点的是（）

[单选题]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？（）

[单选题]中压容器使用的压力表精度不低于（）级

[单选题]某患者因左下第一磨牙急性根尖脓肿造成左下颌骨急性中央性骨髓炎，疼痛剧烈，左侧前磨牙及磨牙松动，牙龈红肿，龈袋溢脓 。以下治疗措施中，不正确的是

[多选题]拉动我国经济增长的“三驾马车”是指（）。

[问答题]在激电法理论和实践中，为使问题简化，将岩、矿石的激发极化分为理想哪两大类？

[单选题]体外诊断试剂的简写是（　　）。

[问答题]经预选产生的正式候选人后，正式选举时还要不要实行差额选举？

[问答题]什么是办公礼仪？

[判断题]企业法人办理注销登记，经登记主管机关核准后，收缴《企业法人营业执照》、《企业法人营业执照》副本，收缴公章，并将注销登记情况告知其开户银行。

[多选题]青年女患者，突发头痛、呕吐，脑膜刺激征（+），腰穿血性脑脊液，CT显示顶叶高密度灶。应考虑的可能诊断是（）