接地中性线相色漆规定涂为（）色。 ["黑","紫","白"]
A customer intends to implement a Fibre Channel SAN at the production site. Replication will take place over a 10 kilometer Ethernet connection to a second site; however, only IP storage connectivity currently exists at the second site. Which is the most appropriate method of replication in this situation?（） [" FC routing"," FCoE connection"," FC-IP tunneling"," multi-protocol router"]
施工过程工序质量控制包括施工操作质量和（）管理质量。 ["安全","人员","进度","施工技术"]
硬膜外麻醉最严重的并发症是（） ["血压下降","血管扩张","尿储留","全脊髓麻醉","呼吸变慢"]
要减少企业多元化和战略性地发展核心业务，则企业退出的方式为（）。 ["修剪","范围收缩","规模收缩","市场收缩"]
举例说明气味如何影响人的行为和心理
