大数据处理的主要环节有( )多选
A. 数据采集
B. 大数据分析挖掘
C. 数据类型扩展
D. 大数据存储管理
I was most _______ to hear the sad news of your father's death.
A. distressful
B. distressing
C. distressed
D. distress
It's a _______ task to save his life.
A. press
B. pressed
C. pressing
D. pressure
Today, she is wearing ________ dress.
A. a pretty white cotton
B. a white pretty cotton
C. a pretty cotton white
D. a cotton pretty white