常见的金融衍生工具包括( )。 A．期货合约 B．期权合约 C．远期 D．互换

张某欲购买住房一套，委托甲房地产经纪机构（以下简称甲机构）寻找房源并签订了经纪合同。甲机构寻找到的合适房源为李某的住房。该住房位于某幢住宅楼的二层，该住宅楼北侧为主城区高架桥，南侧为农贸市场。房屋主体结构完好，门窗及厨卫部分设施虽然有损坏，但不严重，经过简单维修就能修复。张某在甲机构对该住房权属证书进行查验，并对其进行现场勘验。随后张某与李某签订了房屋买卖合同，且按合同约定向李某支付预付款20万元；合同约定余款于取得房屋权属证书后立即支付。后张某以房屋周围环境噪声大为由拒绝收房，并认为李某在签订房屋买卖合同时有欺诈行为，要求解除合同，并要求李某双倍返还预付款。

张某与甲机构签订的经纪合同为（）。

A.委托合同

B.居间合同

C.行纪合同

D.诺成合同

实验证明，天然气所处压力、温度越高，爆炸范围（）。

Data mining is an (66) research field in database and artificial intelligence. In this paper, the data mining techniques are introduced broadly including its producing background, its application and its classification. The principal techniques used in the data mining are surveyed also, which include rule induction, decision (67) , artificial (68) network, genetic algorithm, fuzzy technique, rough set and visualization technique. Association rule mining, classification rule mining, outlier mining and clustering method are discussed in detail. The research achievements in association rule, the shortcomings of association rule measure standards and its (69) , the evaluation methods of classification rules are presented. Existing outlier mining approaches are introduced which include outlier mining approach based on statistics, distance-based outlier mining approach, data detection method for deviation, rule-based outlier mining approach and multi-strategy method. Finally, the applications of data mining to science research, financial investment, market, insurance, manufacturing industry and communication network management are introduced. The application (70) of data mining are described.

（70）处填（）。

A．course

B．disadvantage

C．prosperity

D．prospects

在幼儿园禁止门外罚站，不许吃饭等惩罚指的是（）

A．社会性惩罚

B．生理性惩罚

C．剥夺性惩罚

D．自然后果的惩罚

在下列各选项中的（）书中，责任被区分为基于义务的责任（义务责任）和基于角色的责任（角色责任）。

A.《尼各马科伦理学》

B.《布莱克维尔政治学百科全书》

C.《伦理学体系》

D.《行政伦理学：实现行政责任的途径》