下列不属于人体必需的微量元素的是（）。 ["铜 ","铁 ","钙 ","碘"]
某人准备从A公司跳槽到B公司，期间有一段时间在休息，这个人属于结构性失业。
A client has bought an IBM System Storage DS8000 and needs to attach a Sun Solaris Host with 2 HBAs via one fabric to 4 I/O ports on the DS8000. The client needs redundant paths to the volumes on the DS8000. What is the maximum number of volumes that can be used on the Solaris host（） ["256","512","1024","2048"]
戊烷、戊烯在常温下是（）态。 ["气","液","固","气液共存"]
建设工程项目的管理核心是（）。 ["设计方的项目管理","业主方的项目管理","施工方的项目管理","监理方的项目管理"]
《教师专业标准》中指出要制定（），不断提高自身专业素质。
