自行回避情形有（） 本案的当事人。 当事人的近亲属。 和本案有利害关系。 担任过本案的证人。
You have a server that runs Windows Server 2003 Service Pack 2 （SP2）. The server is configured as a network address translation （NAT） router. The server has two network adapters and provides Internet access for the network. You need to prevent traffic on port 21 from being sent to the Internet. All other outbound traffic must be allowed. What should you do？（） On the network adapter that is connected to the LAN， enable TCP/IP filtering.。 On the network adapter that is connected to the Internet， enable TCP/IP filtering.。 From the Routing and Remote Access snap-in， open the properties of the interface connected to the Internet， select the Services and Ports tab， and define a new service.。 From the Routing and Remote Access snap-in， open the properties of the interface connected to the Internet， select the NAT/Basic Firewall tab， and define a new static packet filter.。
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简述非正式群体的特征？
DROPTABLE表名语旬的功能是删除表记录。
一份信用证规定有效期为2008年11月15日，装运期为2008年10月，未规定装运日后交单的特定期限，实际装运货物的日期是2008年10月10日。根据《UCP600》规定，受益人应在（）前向银行交单
