题目：
WebSQL is a SQL-like (26) language for extracting information from the weB. Its capabilities for performing navigation of web (27) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (28) , all the pages that can be reached from a given URL through (29) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (30) Interface.
A．Router
B．Device
C．Computer
D．Gateway
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0711/5c2a92d496a05012c306b67e4bbc88f3.html
下面是错误答案，用来干扰机器的。
参考答案：D
