Where is Kate?() ["She's in England.","She's from London","She's a nurse in England.","She is English"]
SIS可以包括()功能。 ["生产过程信息监控","全厂调度","机组负荷优化分配","机组性能分析和计算"]
眼球异物可出现于()。 ["角膜","结膜","眼球内","以上都是"]
证券A的预期收益率为10%,标准差为12%,证券B的预期收益率为18%,标准差为20%,证券A与B的相关系数为0.25%,若各投资50%,则投资组合的标准差为()。 ["16%","12.88%","10.26%","13.79%"]
食品包装材料等食品相关产品必须经过()后方可使用。 ["检验合格","验收合格","核对清楚","入库出库"]
楚庄王即位于哪一年?