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.

（30）是（）

A.Router

B.Device

C.Computer

D.Gateway

100ml8%糖牛奶的热卡量约为（）

A.120kcal

B.110kcal

C.100kcal

D.90kcal

E.67kcal