单选题 从供选择的答案中,选出最确切的解答。
   WebSQL is a SQL-like (1) language for extracting information from the web. Its capabilities for performing navigation of web (2) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (3) , all the pages that can be reached from a given URL through (4) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (5) Interface.
【正确答案】 A
【答案解析】SQL是Structured Query Language,那么与其类似的根据文章的WebSQL也是Query Language,所以这里应该选A。
   [参考译文]WebSQL是类似于SQL的查询语言,用于从网络中提取信息。它具有网络超链接导航的能力,这使得它成为有用的工具,用来自动执行与网络相关的多个任务,这些任务需要对网页中的所有超链接及可以从给定的URL通过路径匹配来连接的全部网页进行系统处理,也可以把两者结合起来进行系统处理。WebSQL也提供对索引服务器的透明访问,这些服务器可以通过公共网关接口来访问。