目视化管理不包括（）。 ["A.人员的管理 ","B.机械设备的管理 ","C.卫生的管理 ","D.品质的管理"]
目前企业的电子商务网站模式根据所采用的技术不同，可分为（） ["基于SAP的企业内联网电子商务网站模式","基于ERP的企业内联网电子商务网站模式","基于EDI的外联网电子商务网站模式","基于Web的因特网电子商务网站模式"]
你创建一个DirectorySecurity对象为工作目录。你需要确定用户帐户和组具有读取和写入权限。你应该使用DirectorySecurity对象的哪种方法？（） ["the GetAuditRules method","the GetAccessRules method","the AccessRuleFactory method","the AuditRuleFactory method"]
You are developing a Windows Communication Foundation (WCF) service to provide an in-memory cache for many Web applications.The service contract is defined as follows. (Line numbers are included for reference only.) 01 [ServiceContract] 02 public interface IDataCache 03 { 04 ... 05 }06 07 08 public class DataCache : IDataCache 09 { 10 ... 11 } You need to ensure that all users share the cache. Which code segment should you insert at line 07?（） [" [ServiceBehavior(TransactionIsolationLevel = IsolationLevel.RepeatableRead)]"," [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]"," [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]"," [ServiceBehavior(TransactionIsolationLevel = IsolationLevel.ReadComitted)]"]
根据《固定式压力容器安全技术监察规程》，压力容器所选用的压力表，其表盘直径不得小于（）。 ["100mm","150mm","200mm","250mm"]
CT 机属于（）设备。
