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问题 单项选择题

( )是目前各国出口信用保险机构开办最广泛、承保量最大、运作最规范的出口信用保险。

A．商业风险的出口信用保险
B．中长期出口信用保险
C．短期出口信用保险
D．货物出口的出口信用保险

答案

参考答案：C

解析： 考点：短期出口信用保险。短期出口信用保险是目前各国出口信用保险机构开办最广泛、承保量最大、运作最规范的出口信用保险。

单项选择题 A1/A2型题

按照《处方管理办法》，处方类别应注明在处方的（）

A.左上角

B.左下角

C.右上角

D.正中

E.开头角
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单项选择题

Artificial intelligence (AI) ,an interdisciplinary field, is usually regarded as a branch of computer science, dealing with models and systems for the performance of functions generally associated with human intelligence, such as (71) and learning.

In AI, knowledge-based system is an information (72) system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base. Moreover, some knowledge-based systems have learning capabilities.

Expert system (ES) indicates the knowledge-based system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base developed from human (73) . Some expert systems are able to (74) their knowledge base and develop new inference rules based on their experience with previous problems. The term "expert system" is sometimes used (75) with "knowledge-based system", but should be taken to emphasize expert knowledge.

（74）处填（）。

A．renew

B．improve

C．upgrade

D．amend
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