“从大量的数据中,抽取出潜在的、有价值的知识、模型或规则的过程”,这说的是()。
A.OLAP
B.OLTP
C.数据挖掘
D.数据重组
参考答案:C
句型转换。
1.Linda has a new book. (改为一般疑问句)
________________________________________?
2.I watch TV every day. (对划线部分提问)
3.Millie goes to school late. (改为否定句)
________________________________________.
4.My brother does his homework in the evening. (对划线部分提问)
5.Tom sometimes goes to school at 6:00. (对划线部分提问)
其政悶悶,其民淳淳;其政察察,其民缺缺。()。孰知其極