某物资采购合同，因当事人订立合同时的疏漏，未明确约定交货地点。按照《合同法》的规定，弥补该欠缺条款方式的先后次序应为（） ["按《合同法》规定的处理原则执行——双方协商约定——按交易习惯确定","按交易习惯确定——按《合同法》规定的处理原则执行——双方协商约定","双方协商约定——按《合同法》规定的处理原则执行——按交易习惯确定","双方协商约定——按交易习惯确定——按《合同法》规定的处理原则执行"]
You are developing an application that connects to a Microsoft SQL Server database using the SqlConnection object. Your connection objects are being pooled. As the pool fills up, connection requests are queued. Some connection requests are rejected. You need to ensure that the application releases connections back to the pool as soon as possible. Also, you need to decrease the likelihood that connection requests will be rejected. Which three actions should you perform?（） [" Ensure that the Close method is called on each connection object after it has finished executing."," Ensure that each connection object is left open after it has finished executing."," Increase the Max Pool Size value inside the connection string."," Increase the Min Pool Size value inside the connection string."," Increase the Connection Lifetime value inside the connection string."," Increase the value of the ConnectionTimeout property of the SqlConnection object."]
发电机氢气系统的故障种类？
You need to design a strategy to log access to the company Web site. What should you do？（） ["Enable logging on the company Web site and select the NCSA Common Log File Format. Store the log files on a SQL Server computer","Use System Monitor to create a counter log that captures network traffic to the Web server by using the Web Service object. Store the log files on a SQL Server computer","Run the Network Monitor on the Web server. Create a capture filter for the SNA protocol and save the results to a capture file. Store the capture file on a SQL Server computer","Enable logging on the company Web site and select ODBC Logging. Configure the ODBC logging options by using a nonadministrative SQL account"]
“鹤立鸡群”“万绿丛中一点红”等现象是因为知觉的（）特性而容易产生知觉。 ["选择性","整体性","理解性","恒常性"]
为什么说安全系统具有典型的灰色特征？
