数据仓库建设包括（）
A.订单跟踪
B.确保数据的质量
C.按规则更新客户数据和数据仓库统一共享
D.数据信息的搜集.集成
E.流量统计
正确答案是BCD
Read the following paragraphs and answer the question.
At last, Scully grandly conducted them through the door of the blue hotel. The room which they entered was small. It was occupied mostly by a huge stove
