安装实现一个简单的对等局域网，提供的硬件为两台PC机、两块网卡、双绞线、水晶头及相关的网线制作检测工具；软件有Windows98操作系统、网卡驱动程序。简述该网线的制作步骤。
机械喷涂抹灰时一次喷涂厚度不宜超过（）毫米。 ["A.8 ","B.12 ","C.10 ","D.15"]
在一定的生产规模限度内，随产量增减成正比例变化的是（）。 ["单位变动成本","变动成本","固定成本","单位固定成本"]
珊瑚礁有（）、（）和（）三种类型。
You design a Business Intelligence （BI） solution by using SQL Server 2008. You create a SQL Server 2008 Integration Services （SSIS） package to perform an extract， transform， and load （ETL） process to load data to a DimCustomer dimension table that contains 1 million rows. Your data flow uses the following components： A SQL Destination data flow task to insert new customers An OLE DB Command transform that updates existing customers On average， 25 percent of existing customer records is updated each night. You need to reduce the amount of time required to update customer records. What should you do？（） [" Modify the UPDATE statement in the OLE DB Command transform to use the PAGLOCK table hint. "," Modify the UPDATE statement in the OLE DB Command transform to use the TABLOCK table hint. "," Stage the data in the data flow. Replace the OLE DB Command transform in the data flow with an Execute SQL task in the control flow."," Stage the data in the data flow. Replace the UPDATE statement in the OLE DB Command transform with a DELETE statement followed by an INSERT statement."]
同性恋
