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某花园小区5号楼工地，需拆除一台QTG40塔机。此台塔机产权拥有者李某，将塔机的拆除工程承包给沈阳市某建筑公司机运站维修安装电工石某，石某私招5名工人进行拆卸。当拆卸到第十一个标准节并将第一个标准节降到地面后。在塔机未进行调整平衡力矩的情况下，司机徐某作出回转动作和变幅小车向内运行的动作并调整顶升套架滚轮与塔机之间的间隙。此时另一个安装工人开动了液压系统进行顶升，液压油管突然爆裂，平衡臂折断后砸向塔身后部，造成塔身剧烈晃动，致使顶升踏步严重变形，失去支撑能力，继而塔机起重臂、回转机构、顶升套架、塔顶等部件整体坠落，塔身折断。在顶升套架作业人员，除1人幸免外，其余4人3死1伤，酿成悲剧。拆除塔机时有哪些规定？

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北京某货运公司(增值税一般纳税人)2013年4月发生如下业务： (1)购入新载货车，取得机动车专用发票注明税额5.1万元。 (2)购买成品油，取得增值税专用发票注明税额4.25万元。 (3)购买材料.低值易耗品，支付动力费用，取得增值税专用发票注明税额5.92万元。 (4)修理载货车，取得增值税专用发票注明税额2.34万元。 (5)货运业务取得含税收入116.55万元。 (6)装卸搬运服务取得含税收入12.72万元。 (7)经营性出租载货车(不配司机)业务取得含税收入70.2万元(租赁合同约定每月租赁费23.4万元，二季度租赁费在季度初一次性支付)。 (8)销售旧载货车(2010年3月购入)，取得含税收入20.8万元。该公司增值税抵扣凭证均经税务机关认证。该货运公司当月销售旧载货车业务应纳增值税税额为()万元。

A. 0
B. 0.4
C. 0.408
D. 0.416

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w公司是医药制品公司，对生产所需的原材料除考虑价格因素外，还要注重质量要求．w公司原材料采购主要是通过招投标方式进行的。采购部门首先从建立的供应商档案中确定参加招投标会议的供应商，通过比较产品性价比确定凡家供应商，由公司的检验部门对待选供应商的原材料样本进行检验，经检验后，采购部门从中确定质优价廉的供应商。然后采购部门与供应商签订购买合同；购买的原材料到达后再经检验部门进行抽检，出具检验单；仓库保管部门对数量、品种进行检验并出具入库单，财务部门审核及核对检验单、入库单、购货发票后登记明细账：采购部门制订用款计划，财务部门根据用款计划筹备资金付款。分析该企业存货采购控制中存在的问题并提出完善对策。

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According to the following statement， can you tell me which term is described？（） It is the air return for an air conditioned system. In most buildings， the area above a drop ceiling orunder a raised floor is used as the air return （source of air） for the air conditioning. Those drop ceiling and raised floors are also where wire is often installed. If wire and cable is installed in a dropceiling or raised floor， it is out of sight. If that cable were burning， it would give off toxic fumes.These would be fed to the rest of the building by the air conditioner. As a result， people could beinjured even though they are a long way from the fire.

A. DAS area
B. plenum area
C. extended area
D. RF special area

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Your network contains an Active Directory domain named contoso.com. Contoso.com contains three servers.The servers are configure as shown in the following table. Server name Server roel Service Server1 Certification authority （CA） Server2 Certificate Enrollment Web Service Server3 Certificate Enrollment Policy Web Service You need to ensure that users can manually enroll and renew their certificates by using the Certificate Enrollment Web Service. Which two actions should you perform（）

A. Configure the policy module setting.
B. Configure the issuance requeriments for the certificate templates.
Configure the Certificate Services Client - Certificate Enrollment Policy Group Policy setting.
D. Configure the delegation setting for the Certification Enrollment Web Service application pool account.

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