施肥技术要点
某施工单位承担一土石坝施工任务，该单位对坝基开挖做了施工组织设计，坝基基坑深为5.2m，采用药壶爆破法施工，土方量为9000m<sup>3</sup>，平均运距为10km，合同工期为8天。该施工单位有甲、乙、丙液压挖掘机各4台、2台、2台，A、B、C自卸汽车各12台、30台、18台，挖掘机的机械利用率为0.9，自卸汽车的机械利用率为0.95，其主要参数见表1、表2。
该工程施工组织设计中采用药壶爆破法开挖坝基石方是否合适？若合适，请说明理由。若不合适，指出合适的施工方法。
Which two statements about subqueries are true? （） A single row subquery can retrieve data from only one table.。 A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.。 A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.。 A single row subquery can retrieve data from more than one table.。 A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.。 A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.。
retail company plans to consolidate 180 existing dual processor Xeon servers, all running a web server application on Windows Server 2003. They are planning consolidating to a single x3950 X5 running vSphere.Which of the following should be discussed with this customer? （） Is the web content static or dynamic information 。 Consider two servers for redundancy and failover 。 What is the average CPU utilization of the existing web servers 。 Will the servers need a SCSI or Fibre Channel storage solutio。
Which TWO of the following tasks of system maintenance can be improved by using Remote Deployment Manager？（） Deployment。 Software maintenance。 Driver updates。 Disposal。 Software inventory。
Which NLS parameter can be used to change the default Oracle sort method from binary to linguistic for the SQL SELECT statement？（）
