Which two of these correctly describe Fibre Channel? （） [" supports multiple protocols"," works only in a shared or loop environment"," allows addressing for up to 4 million nodes"," allows addressing for up to 8 million nodes"," provides a high speed transport for SCSI payloads"," may stretch to a distance of up to100 km before needing extender"]
在下面四种物质中导热性能最好的是（）。 ["紫铜","低碳钢","不锈钢","铸铁"]
按姚鼐的分类，下列文章各属于哪一类？荆轲赞
按姚鼐的分类，下列文章各属于哪一类？黄冈竹楼记
只有到了哪一阶段，稳定的态度和品德才形成（） ["内化","解冻","依从","认旧"]
科学上规定光在1年内走过的距离称为（）。
