韩愈的论说文，按其内容和形式的不同，又可以分为（）（）（）（）之文四小类。

在实施电子商务计划的人员中，哪种人员最好由内部人员担任（）

A.应用专家

B.业务管理

C.客户服务

D.系统管理

句子翻译。

1. 在那次地震中，他们尽力挽救了20个人的生命。 

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2. 外面的雨下得多么大啊！

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3. 西蒙每天到校花费半小时。

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4. 把石头搬开，否则会有一次意外事故。

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5. 他们告诉自己要平静下来，因为他们还活着。

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（）是指对发生的每一项经济业务都以相等的数量和金额，在相互关联的两个或两个以上账户中进行记录的记账方法。

Across a wide variety of fields, data are being collected and accumulated at a dramatic pace. There is an urgent need for a new generation of computational theories and tools to assist humans in (96) useful information (knowledge) from the rapidly growing (97) of digital data. These theories and tools are the subject of the emerging field of knowledge discovery in database (KDD). At an abstract level, the KDD field is concerned with the development of methods and techniques for making (98) of data. The basic problem addressed by the KDD process is one of mapping low-level data(which are typically too voluminous to understand and digest easily) into other forms that might be more (99) (for example, a short report), more (100) (for example, a descriptive approximation or model of the process that generated the data), or more useful (for example, a predictive model for estimating the value of future cases). At the core of the process is the application of specific data-mining methods for pattern discovery and extraction.

A．theoretical

B．meaningful

C．sophisticated

D．abstract

以募集方式设立股份有限公司的，认股人从（）起不能抽逃其出资。

A.缴付出资之后

B.法定验资机构对出资进行验资并出具验资报告之后

C.公司创立大会召开之后

D.公司登记主管机关登记之后