论古代印度的种姓制度。
人的大脑具有巨大的超剩余性，它能容纳相当于（）书的信息量。
患者因肝癌来介入导管室行经导管肝动脉灌注栓塞术治疗，在正常使用手术中发现导丝发涩，无法在导管内前进和后退，手术无法继续，立即更换其他品牌导丝后问题解决，手术顺利完成，未给患者造成不良后果。类似事件已发生4例，均是有经验的医师进行操作，不存在技术问题。
在Excel2003中，怎样才能避免将输入的分数视作日期数据？
You have a server that runs Windows Server 2008. You need to prevent the server from establishing communication sessions to other computers by using TCP port 25. What should you do（） [" From Windows Firewall， add an exception"," From windows Firewall enable the block all incoming connections option"," From the Windows Firewall with Advanced Security snap-in， create an inbound rule"," From the Windows Firewall with Advanced Security snap-in， create an outbound rule."]
智力障碍
