税务机关利用数据挖掘技术对增值税发票异常开具行为进行自动检测,属于数据挖掘的哪种主要功能()
A.关联分析
B.分类预测
C.异类分析
D.演化分析
参考答案:C
句型转换。
1. There will be more rain in 100 years.(改为否定句)
There _______ _______ more rain in 100 years.
2. He will go on a picnic in two days.(对划线部分提问)
_______ _______ _______ he go on a picnic?
3. He'll work as a reporter when he is older.(改为同义句)
He'll work as a reporter when he_______ _______.
4. I finished my homework alone.(改为同义句)
I finished my homework _______ ________.
5. I think there will be robots in everyone's home.(改为一般疑问句)
________ ________ _______ there _______ ________robots in everyone's home?
知识分子常有一种错误的想法,以为只有学问、技能、才智之类才算真本事,对于那些手段、权谋、伎俩则不屑一顾。世间凭前三者干出一番功业的确实不乏其人,但拥有现世荣华的还是后三者居多。世间的价值标准混乱不堪,评价起来殊非易事。但无论用冷眼还是用热心肠看世界,有学问、技能、才智的人大多是笑在最后的人,而且他们往往活得更踏实一些,更无愧无怍一些。 作者对知识分子的观点所表现的态度是( )。
A.否定但理解
B.更正并补充
C.否定并更正
D.肯定并赞扬