题目内容

A．SMTPB．IPC．EDIFACTD．HDLCE．ARP

A. SMTP
B. IP
C. EDIFACT
D. HDLC
E. ARP

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标准离差率是一个相对指标，可以用来比较预期收益率不同的资产之间的风险大小。 ()

A. 正确
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An expert system is a software that(41)specialist knowledge-about a particular domain of(42)and is capable of making(43)decisions with in that domain. Although expert systems typically focus on a very narrow domain, they have achieved dramatic success with(44)problems, This has excited wide spread interest outside the research laboratories from which they emerged.Expert systems have given rise to a set of "knowledge engineering" methods constituting a new approach to design of high performance software system. This new approach represents an(45)change with revolutionary consequences.

A. develops
B. directory
C. effect
D. encapsulates
E. evolutionary

要求你从语气、词序、语法结构等方面对有关语句作出判断。
第 21 题下列各句中，没有语病，句意明确的一句是（）。

内隐记忆，又称为程序记忆，是一种长期记忆的形式，指关于技术、过程或“如何做”的记忆。通常指这样一种情况，当人学习过某些知识，却无法回忆或再认时，这些知识的记忆依旧存在，只是以一种无意识的方式表现出来。根据上述定义，下列属于内隐记忆的是（）。