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问题 单项选择题

下面的四条指令中，有( )指令执行后不会改变目的操作数。
SUB AL，BL； CMP AL，BL；
AND AL，BL； TEST AL，BL

A．1条

B．2条

C．3条

D．4条

答案

参考答案：B

单项选择题

病人发热后突然出现肢体软弱无力，皮肤枯燥，心烦口渴，呛咳少痰，尿黄便干，舌红苔黄，脉细数。中医诊断为（）

A.内伤发热阴虚证

B.咳嗽风燥伤肺证

C.消渴气阴两虚证

D.肺痨肺阴亏损证

E.痿证肺热津伤证
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单项选择题

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
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