电子合同的免责事由主要有（） 网络中断。 文件感染病毒。 C非因自己原因的网络中断。 非自己原因引起的电子错误。
血片上红细胞呈棘形、盔形等异常形态时，可见于下列哪种疾病（） 原发性血小板减少性紫癜。 血栓性血小板减少性紫癜。 血小板无力症。 血友病。
How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has already completed？（） Issue the ALTER DISKGROUP ... ADD DISK command.。 Issue the ALTER DISKGROUP ... UNDROP DISKS command.P.... DROP DISK CANCEL command.。 Issue the ALTER DISKGROU。 Retrieve the disk from the Recycle Bin after the operation completes.。
在必要的时候，社会审计组织也可以出具审计决定书，提出处理处罚意见和建议。
View the Exhibit and examine the Resource Manager settings for the groups at different levels. Which two effects would be the result of this setting？ （） The members of LOW_GROUP would get more priority than those of OTHER_GROUPS.。 The members of SYS_GROUP would get most of the CPU allocation at level 1.。 The members of LOW_GROUP would get most of the CPU allocation because it has CPU allocation at two different levels.。 The members of LOW_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.。 The members of SYS_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.。
天然气管线进行换管维修时要用（）将焊口与原管线隔开。
