银行向借款人发放一笔10000元的5年期贷款，若年利率为6%，复利计息，则到期后借款

Running is a good way to ______ fit.[ ]

A. help

B. keep

C. give

This writer’s book sells ___.

A．nice

B．well

C．smooth

D．wonderful

下列各项反映出宋朝商业出现突破性发展的是（   ）

A．银铤：宋代国家和地方税收特种货币

B．淳化年间五台山佛像金币

C．宋徽宗时期崇宁通宝

D．“行在榷货务金银见钱关子库印”钞版

One of the difficulties in building an SQL-like query language for the Web is the absence of a database （） for this huge, heterogeneous repository of information. However, if we are interested in HTML documents only, we can construct a virtual schema from the implicit structure of these files. Thus, at the highest level of （） , every such document is identified by its Uniform Resource Locator (URL), has a （） and a text. Also, Web servers provide some additional information such as the type, length, and the last modification date of a document. So, for data mining purposes, we can consider the set of all HTML documents as a relation: Document(url, title, text, type, length, modif)Where all the （） are character strings. In this framework, an individual document is identified with a （） in this relation. Of course, if some optional information is missing from the HTML document, the associate fields will be left blank, but this is not uncommon in any database.

an individual document is identified with a （） in this relation

A．relation

B．field

C．script

D．tuple

船用化纤缆的养护周期为：（）

A.12个月

B.9个月

C.6个月

D.3个月