【名词&注释】
资源配置(resource allocation)、实用性(practicality)、通信协议(communication protocol)、先进性(advancement)、连续性(continuity)、工作量(workload)、开放型(open)、技术知识(technical knowledge)、统一指挥(unity of command)、存在着(there are)
[单选题]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.
A. query
B. transaction
C. communication
D. programming