椭圆封头压延成形时一般取（）材料拉伸系数。 0.95。 0.9。 0.85。 0.75。
You are responsible for implementing maintenance jobs on a SQL Server 2005 database server. Certain jobs run every Sunday and other jobs run at the beginning of every month. You need to schedule the jobs in the way that uses the least amount of administrative effort. What should you do？（） Create a job schedule that runs every Sunday.Assign weekly tasks to this schedule.Create a second schedule that runs on the first day of every month. Assign monthly tasks to this schedule.。 Create a job for each task that runs once a day. Use a Transact-SQL statement to check the date and day of the week. If the day is either a Sunday or the first day of the month， execute the code.。 Create a job schedule that runs once a day. Assign jobs to this job schedule. If the day is either a Sunday or the first day of the month， execute the jobs.。 Create a job for each task that runs once a week on Sunday. Add a second job schedule that runs the job on the first of the month。
出口商审核信用证的依据是（）。 合同及《UCP600》的规定。 一整套单据。 开证申请书。 商业发票。
（）比信度有更高的要求﹐（）是效度的必要条件。 效度。 信度。 效标。
Your company has 10 servers that run Windows Server 2008 R2. The servers have Remote Desktop Protocol (RDP) enabled for server administration. RDP is configured to use default security settings. All administrators' computers run Windows 7. You need to ensure the RDP connections are as secure as possible. Which two actions should you perform？（） Set the security layer for each server to the RDP Security Layer.。 Configure the firewall on each server to block port 3389.。 Acquire user certificates from the internal certification authority.。 Configure each server to allow connections only to Remote Desktop client computers that use Network Level Authentication.。
在变化的市场环境中，为满足消费需要、实现企业目标而进行的商务活动过程，包括市场调研、选择目标市场、产品开发、产品定价、渠道选择、产品促销等一系列与市场有关的经营活动，这是指（）
