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软件推扩活动包括以下几类：改正性维护、适应性维护、【5】维护和预防性维护。

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具有苯并咪唑结构

A. 阿莫西林
B. 阿米卡星
C. 阿糖胞苷
D. 阿苯达唑
E. 阿普唑仑

根据一种心理学理论，一个人要想快乐就必须和周围的人保持亲密的关系。但是，世界上伟大的画家往往是在孤独中度过了他们大部分时光，并且没有亲密的人际关系。所以，这种心理学理论是不成立的。以下哪项最可能是上述论证所假设的

A. 世界上伟大的画家都喜欢逃避亲密的人际关系。
B. 有亲密的人际关系的人几乎没有孤独的时候。
C. 孤独对于伟大的绘画艺术来说是必需的。
D. 几乎没有著名的画家有亲密的人际关系。
E. 世界上伟大的画家都是快乐的。

结构中含有两个手性碳原子

A. 盐酸吗啡
B. 盐酸哌替啶
C. 右丙氧芬
D. 盐酸布桂嗪
E. 盐酸溴己新

Generally, data mining (sometimes called data or knowledge discovery) is the process of analyzing data from different perspectives and (1) it into useful information information that can be used to increase revenue, (2) costs, or both. Data mining software is one of a number of analytical tools for analyzing data. It (3) users to analyze data from many different dimensions or angles, categorize it, and summarize the relationships identified. Technically, data mining is the process of finding correlations or patterns among dozens of fields in large relational databases. Although data mining is a (4) new term, the technology is not. Companies have used powerful computers to sift through volumes of supermarket scanner data and analyze market research reports for years. However, continuous innovations in computer processing power, disk storage, and statistical software are dramatically increasing the accuracy of analysis while driving (5) the cost. (5)

A. away
B. into
C. back
D. down